Collection: Screws - Countersunk - Socket - Steel

Screws -> Countersunk -> Socket -> Steel
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Minimum Thread Length (l) Indicative
Image
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
13.5
mm
Max Head Height
4.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK064F-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $134.32 AUD
Regular price $161.18 AUD Sale price $134.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
1/4-28 UNF (6.35mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
13.5
mm
Countersunk Screws - 1/4-28 UNF - 6.35mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 4.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 3.97 (5/32) mm    Countersunk Angle: 82 °    Pitch: 0.907 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK064F-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $134.32 AUD
Regular price $161.18 AUD Sale price $134.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-013-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-013-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-016-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $44.86 AUD
Regular price Sale price $44.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-016-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $44.86 AUD
Regular price Sale price $44.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $45.95 AUD
Regular price Sale price $45.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $45.95 AUD
Regular price Sale price $45.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-019-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $73.95 AUD
Regular price Sale price $73.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-019-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $73.95 AUD
Regular price Sale price $73.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-025-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $73.68 AUD
Regular price Sale price $73.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-025-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $73.68 AUD
Regular price Sale price $73.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-025-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $86.32 AUD
Regular price $103.58 AUD Sale price $86.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-025-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $86.32 AUD
Regular price $103.58 AUD Sale price $86.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-032-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $92.95 AUD
Regular price $111.55 AUD Sale price $92.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-032-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $92.95 AUD
Regular price $111.55 AUD Sale price $92.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-032-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $96.68 AUD
Regular price $116.02 AUD Sale price $96.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-032-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $96.68 AUD
Regular price $116.02 AUD Sale price $96.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-038-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $40.23 AUD
Regular price $48.27 AUD Sale price $40.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-038-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $40.23 AUD
Regular price $48.27 AUD Sale price $40.23 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-038-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $103.86 AUD
Regular price $124.64 AUD Sale price $103.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-038-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $103.86 AUD
Regular price $124.64 AUD Sale price $103.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-045-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $115.05 AUD
Regular price $138.05 AUD Sale price $115.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-045-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $115.05 AUD
Regular price $138.05 AUD Sale price $115.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-051-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $119.50 AUD
Regular price $143.40 AUD Sale price $119.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-051-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $119.50 AUD
Regular price $143.40 AUD Sale price $119.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-064-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $124.41 AUD
Regular price $149.29 AUD Sale price $124.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-064-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $124.41 AUD
Regular price $149.29 AUD Sale price $124.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-064-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $173.77 AUD
Regular price $208.53 AUD Sale price $173.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 BSW (7.94mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079W-064-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $173.77 AUD
Regular price $208.53 AUD Sale price $173.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $158.32 AUD
Regular price $189.98 AUD Sale price $158.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 100 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079W-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $158.32 AUD
Regular price $189.98 AUD Sale price $158.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-013-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.41 AUD
Regular price $4.51 AUD Sale price $2.41 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.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-013-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.41 AUD
Regular price $4.51 AUD Sale price $2.41 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.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-013-SK-CZ (PK-10)
5 units (50 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $3.86 AUD
Regular price $7.21 AUD Sale price $3.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-013-SK-CZ (PK-10)
5 units (50 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $3.86 AUD
Regular price $7.21 AUD Sale price $3.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (50 pcs) Available Now. Backorder if more than 5.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-016-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $58.68 AUD
Regular price Sale price $58.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-016-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $58.68 AUD
Regular price Sale price $58.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-016-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $44.68 AUD
Regular price Sale price $44.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-016-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $44.68 AUD
Regular price Sale price $44.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-019-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $61.23 AUD
Regular price Sale price $61.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-019-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $61.23 AUD
Regular price Sale price $61.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-019-SK-CZ (PK-5)
14 units (70 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.14 AUD
Regular price $3.98 AUD Sale price $2.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 14 available can be backordered.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-019-SK-CZ (PK-5)
14 units (70 pcs) Available Now | Further orders can be expected around Mon, Jan 12, 2026
Regular price $2.14 AUD
Regular price $3.98 AUD Sale price $2.14 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (70 pcs) Available Now. Backorder if more than 14.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-025-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.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Standard
Part Number: SK079C-025-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.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-025-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $49.59 AUD
Regular price Sale price $49.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm    Countersunk Angle: 82 °    Pitch: 1.411 mm   
Category: Screws - Countersunk - Socket - Steel - Zinc Plated
Part Number: SK079C-025-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Mon, Jan 12, 2026
Regular price $49.59 AUD
Regular price Sale price $49.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.