Collection: Screws - Socket Cap - Alloy Steel - Black Oxide

Screws -> Socket Cap -> Alloy Steel -> Black Oxide
Thread Size (C) Thread Length (L) Material Head Length (B Max.) Head Diameter (A Max.) Drive Depth (E) Indicative
Image
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
127
mm

(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-127-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $32.50 AUD
Regular price $39.00 AUD Sale price $32.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Thread Length (L) Material Head Length (B Max.) Indicative
Image
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
127
mm

(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-127-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $32.50 AUD
Regular price $39.00 AUD Sale price $32.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
152.4
mm

(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 5.56 (7/32) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-152-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $150.41 AUD
Regular price Sale price $150.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
152.4
mm

(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 5.56 (7/32) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-152-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $150.41 AUD
Regular price Sale price $150.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
177.8
mm

(Equiv. 7 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 5.56 (7/32) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-178-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $257.95 AUD
Regular price Sale price $257.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Thread Length (L)
177.8
mm

(Equiv. 7 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 BSW - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 5.56 (7/32) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079W-178-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $257.95 AUD
Regular price Sale price $257.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 9.5 mm   
Part Number: SC079C-010-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $64.05 AUD
Regular price Sale price $64.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 9.5 mm   
Part Number: SC079C-010-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $64.05 AUD
Regular price Sale price $64.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 12.7 mm   
Part Number: SC079C-013-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $56.86 AUD
Regular price Sale price $56.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 12.7 mm   
Part Number: SC079C-013-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $56.86 AUD
Regular price Sale price $56.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 15.9 mm   
Part Number: SC079C-016-C-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 15.9 mm   
Part Number: SC079C-016-C-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. Backorder if more than 8.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 19.1 mm   
Part Number: SC079C-019-C-SK-C (PK-10)
10 units (100 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.77 AUD
Regular price $5.07 AUD Sale price $2.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 19.1 mm   
Part Number: SC079C-019-C-SK-C (PK-10)
10 units (100 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.77 AUD
Regular price $5.07 AUD Sale price $2.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (100 pcs) Available Now. Backorder if more than 10.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 22.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
22.2
mm

(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 22.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 22.2 mm   
Part Number: SC079C-022-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $60.32 AUD
Regular price Sale price $60.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 22.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
22.2
mm

(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 22.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 22.2 mm   
Part Number: SC079C-022-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $60.32 AUD
Regular price Sale price $60.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 25.4 mm   
Part Number: SC079C-025-C-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.77 AUD
Regular price $5.18 AUD Sale price $2.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 25.4 mm   
Part Number: SC079C-025-C-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.77 AUD
Regular price $5.18 AUD Sale price $2.77 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. Backorder if more than 9.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
31.8
mm

(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-032-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $33.50 AUD
Regular price Sale price $33.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
31.8
mm

(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-032-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $33.50 AUD
Regular price Sale price $33.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
38.1
mm

(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-038-C-SK-C (PK-10)
6 units (60 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $3.50 AUD
Regular price $6.51 AUD Sale price $3.50 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 6 available can be backordered.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
38.1
mm

(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-038-C-SK-C (PK-10)
6 units (60 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $3.50 AUD
Regular price $6.51 AUD Sale price $3.50 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

6 units (60 pcs) Available Now. Backorder if more than 6.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 44.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
44.4
mm

(Equiv. 1.748 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 44.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-044-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $38.59 AUD
Regular price Sale price $38.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 44.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
44.4
mm

(Equiv. 1.748 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 44.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-044-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $38.59 AUD
Regular price Sale price $38.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
50.8
mm

(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-051-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $40.32 AUD
Regular price Sale price $40.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
50.8
mm

(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-051-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $40.32 AUD
Regular price Sale price $40.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 57.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
57.2
mm

(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 57.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-057-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 57.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
57.2
mm

(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 57.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-057-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $36.32 AUD
Regular price $43.58 AUD Sale price $36.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
63.5
mm

(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-064-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $37.41 AUD
Regular price $44.89 AUD Sale price $37.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
63.5
mm

(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-064-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $37.41 AUD
Regular price $44.89 AUD Sale price $37.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 69.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
69.9
mm

(Equiv. 2.752 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 69.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-070-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $39.77 AUD
Regular price $47.73 AUD Sale price $39.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 69.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
69.9
mm

(Equiv. 2.752 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 69.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-070-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $39.77 AUD
Regular price $47.73 AUD Sale price $39.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
76.2
mm

(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-076-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $41.14 AUD
Regular price $49.36 AUD Sale price $41.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
76.2
mm

(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-076-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $41.14 AUD
Regular price $49.36 AUD Sale price $41.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 82.6 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
82.6
mm

(Equiv. 3.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 82.6 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-083-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $41.95 AUD
Regular price $50.35 AUD Sale price $41.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 82.6 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
82.6
mm

(Equiv. 3.252 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 82.6 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-083-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $41.95 AUD
Regular price $50.35 AUD Sale price $41.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
88.9
mm

(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-089-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $92.14 AUD
Regular price $110.56 AUD Sale price $92.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
88.9
mm

(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-089-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $92.14 AUD
Regular price $110.56 AUD Sale price $92.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 101.6 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
101.6
mm

(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 101.6 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-102-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $95.86 AUD
Regular price $115.04 AUD Sale price $95.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 101.6 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
101.6
mm

(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 101.6 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-102-C-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $95.86 AUD
Regular price $115.04 AUD Sale price $95.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 114.3 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
114.3
mm

(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 114.3 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-114-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $226.68 AUD
Regular price Sale price $226.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 114.3 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
114.3
mm

(Equiv. 4.5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 114.3 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-114-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $226.68 AUD
Regular price Sale price $226.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
127
mm

(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-127-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $234.05 AUD
Regular price Sale price $234.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
127
mm

(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 127 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-127-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $234.05 AUD
Regular price Sale price $234.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
152.4
mm

(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-152-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $116.14 AUD
Regular price Sale price $116.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
152.4
mm

(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 152.4 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-152-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $116.14 AUD
Regular price Sale price $116.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
177.8
mm

(Equiv. 7 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Head Diameter (A Max.)
11.9
mm
Drive Depth (E)
3.84
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-178-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $132.77 AUD
Regular price Sale price $132.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Thread Length (L)
177.8
mm

(Equiv. 7 in.)
Material
High Tensile Steel / Black Oxide

Head Length (B Max.)
7.9
mm
Socket Cap Screws - 5/16-18 UNC - 7.94mm - 177.8 mm - High Tensile Steel / Black Oxide Alloy Steel
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 11.9 mm    Drive Depth (E): 3.84 mm    Shank Diameter (C): 7.78 - 7.94 mm    Hex Key (D): 6.35 (1/4) mm    Pitch: 1.411 mm    Threads Per Inch: 18 TPI    Min thread Length: 28.5 mm   
Part Number: SC079C-178-C-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $132.77 AUD
Regular price Sale price $132.77 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.