Collection: Screws - Countersunk - Socket

Screws -> Countersunk -> Socket
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Minimum Thread Length (l) Indicative
Image
Countersunk Screws - 5/16-18 UNC - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-045-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $37.14 AUD
Regular price $44.56 AUD Sale price $37.14 AUD
Priced, Stocked and Sold Per 50 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 - 5/16-18 UNC - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-045-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $37.14 AUD
Regular price $44.56 AUD Sale price $37.14 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 - 44.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 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 - 44.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-045-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $98.41 AUD
Regular price $118.09 AUD Sale price $98.41 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 UNC - 7.94mm - 44.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.02
(Equiv. 1.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 44.5 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-045-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $98.41 AUD
Regular price $118.09 AUD Sale price $98.41 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 UNC - 7.94mm - 50.8 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
304 Stainless

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 - 50.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-051-SK-S4 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $28.05 AUD
Regular price $33.65 AUD Sale price $28.05 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 - 50.8 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 50.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-051-SK-S4 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $28.05 AUD
Regular price $33.65 AUD Sale price $28.05 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 - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-051-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $38.23 AUD
Regular price $45.87 AUD Sale price $38.23 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 UNC - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-051-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $38.23 AUD
Regular price $45.87 AUD Sale price $38.23 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 UNC - 7.94mm - 50.8 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 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 - 50.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-051-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $138.23 AUD
Regular price $165.87 AUD Sale price $138.23 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 - 50.8 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.02
(Equiv. 2 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 50.8 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-051-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $138.23 AUD
Regular price $165.87 AUD Sale price $138.23 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 - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.02
(Equiv. 2.252 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 UNC - 7.94mm - 57.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-057-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $39.59 AUD
Regular price $47.51 AUD Sale price $39.59 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 - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.02
(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 57.2 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-057-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $39.59 AUD
Regular price $47.51 AUD Sale price $39.59 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 - 57.2 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.02
(Equiv. 2.252 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 UNC - 7.94mm - 57.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-057-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $151.68 AUD
Regular price $182.02 AUD Sale price $151.68 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 - 57.2 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.02
(Equiv. 2.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 57.2 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-057-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $151.68 AUD
Regular price $182.02 AUD Sale price $151.68 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 - 63.5 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
304 Stainless

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 - 63.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-064-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $93.59 AUD
Regular price $112.31 AUD Sale price $93.59 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 - 63.5 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.02
(Equiv. 2.5 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 63.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-064-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $93.59 AUD
Regular price $112.31 AUD Sale price $93.59 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 - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-064-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $85.14 AUD
Regular price $102.16 AUD Sale price $85.14 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 - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-064-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $85.14 AUD
Regular price $102.16 AUD Sale price $85.14 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 - 63.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 7.94mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-064-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $161.41 AUD
Regular price $193.69 AUD Sale price $161.41 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 UNC - 7.94mm - 63.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-064-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $161.41 AUD
Regular price $193.69 AUD Sale price $161.41 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 UNC - 7.94mm - 76.2 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
304 Stainless

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 - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-076-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $149.14 AUD
Regular price $178.96 AUD Sale price $149.14 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 - 76.2 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079C-076-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $149.14 AUD
Regular price $178.96 AUD Sale price $149.14 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 - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 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 UNC - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (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 UNC - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-076-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 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 UNC - 7.94mm - 76.2 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 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 - 76.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-076-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $163.95 AUD
Regular price $196.75 AUD Sale price $163.95 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 UNC - 7.94mm - 76.2 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 1.55
(Equiv. 3 in.)
Material
Zinc Plated Steel

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 76.2 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-076-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $163.95 AUD
Regular price $196.75 AUD Sale price $163.95 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 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 1.55
(Equiv. 3.5 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 - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Deleted Item. Available while stocks last.
Part Number: SK079C-089-SK-C (PK-5)
14 units (70 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.66 AUD
Regular price $11.39 AUD Sale price $2.66 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 1.55
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 88.9 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   
Category: Screws - Countersunk - Socket - Steel
Deleted Item. Available while stocks last.
Part Number: SK079C-089-SK-C (PK-5)
14 units (70 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $2.66 AUD
Regular price $11.39 AUD Sale price $2.66 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

14 units (70 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 1.55
(Equiv. 4 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 - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-102-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $149.59 AUD
Regular price $179.51 AUD Sale price $149.59 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 - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-18 UNC (7.94mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 1.55
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 101.6 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079C-102-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $149.59 AUD
Regular price $179.51 AUD Sale price $149.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 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 - 5/16-24 UNF - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-010-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $35.68 AUD
Regular price Sale price $35.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-24 UNF - 7.94mm - 9.5 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-010-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $35.68 AUD
Regular price Sale price $35.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-013-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $35.86 AUD
Regular price Sale price $35.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-013-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $35.86 AUD
Regular price Sale price $35.86 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 12.7 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 7.94mm - 12.7 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-013-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $74.14 AUD
Regular price Sale price $74.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 12.7 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-013-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $74.14 AUD
Regular price Sale price $74.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-016-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $38.41 AUD
Regular price Sale price $38.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-016-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $38.41 AUD
Regular price Sale price $38.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 15.9 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 7.94mm - 15.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-016-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $41.50 AUD
Regular price $49.80 AUD Sale price $41.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 15.9 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-016-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $41.50 AUD
Regular price $49.80 AUD Sale price $41.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079F-019-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $87.32 AUD
Regular price $104.78 AUD Sale price $87.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
19.1
mm
+ 0.0 / - 0.76
(Equiv. 0.752 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079F-019-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $87.32 AUD
Regular price $104.78 AUD Sale price $87.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $44.50 AUD
Regular price Sale price $44.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Tue, Jan 13, 2026
Regular price $44.50 AUD
Regular price Sale price $44.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-019-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $84.95 AUD
Regular price $101.95 AUD Sale price $84.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 19.1 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
5/16-24 UNF (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 - 5/16-24 UNF - 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   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK079F-019-SK-CZ (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $84.95 AUD
Regular price $101.95 AUD Sale price $84.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 25.4 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5/16-24 UNF - 7.94mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079F-025-SK-S4 (PK-5)
8 units (40 pcs) Available Now | Further orders can be expected around Tue, Jan 13, 2026
Regular price $4.23 AUD
Regular price $7.97 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Countersunk Screws - 5/16-24 UNF - 7.94mm - 25.4 mm - 304 Stainless Socket Screw
Thread Size (C)
5/16-24 UNF (7.94mm)

Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
304 Stainless

Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-24 UNF - 7.94mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 4.76 (3/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK079F-025-SK-S4 (PK-5)
8 units (40 pcs) Available Now | Further orders can be expected around Tue, Jan 13, 2026
Regular price $4.23 AUD
Regular price $7.97 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 5 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (40 pcs) Available Now. Backorder if more than 8.