Collection: Screws - Countersunk

Screws -> Countersunk
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Indicative
Image
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $81.68 AUD
Regular price Sale price $81.68 AUD
Priced, Stocked and Sold Per pack of 50
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 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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $81.68 AUD
Regular price Sale price $81.68 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-025-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $94.32 AUD
Regular price $111.58 AUD Sale price $94.32 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-025-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $94.32 AUD
Regular price $111.58 AUD Sale price $94.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
31.8
mm
Material
Brass
Max Head Diameter
15.16
mm
Max Head Height
4.85
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Brass Slotted
Material: Brass    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-032-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $223.23 AUD
Regular price Sale price $223.23 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
31.8
mm
Material
Brass
Max Head Diameter
15.16
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Brass Slotted
Material: Brass    Max Head Height: 4.85 mm    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-032-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $223.23 AUD
Regular price Sale price $223.23 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $100.95 AUD
Regular price $119.55 AUD Sale price $100.95 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $100.95 AUD
Regular price $119.55 AUD Sale price $100.95 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-032-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $104.68 AUD
Regular price $124.02 AUD Sale price $104.68 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-032-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $104.68 AUD
Regular price $124.02 AUD Sale price $104.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
38.1
mm
Material
Brass
Max Head Diameter
15.16
mm
Max Head Height
4.85
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Brass Slotted
Material: Brass    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-038-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $235.95 AUD
Regular price Sale price $235.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
38.1
mm
Material
Brass
Max Head Diameter
15.16
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Brass Slotted
Material: Brass    Max Head Height: 4.85 mm    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-038-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $235.95 AUD
Regular price Sale price $235.95 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $45.23 AUD
Regular price $53.27 AUD Sale price $45.23 AUD
Priced, Stocked and Sold Per pack of 50
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-038-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $45.23 AUD
Regular price $53.27 AUD Sale price $45.23 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-038-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $111.86 AUD
Regular price $132.64 AUD Sale price $111.86 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-038-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $111.86 AUD
Regular price $132.64 AUD Sale price $111.86 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-045-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $123.05 AUD
Regular price $146.05 AUD Sale price $123.05 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-045-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $123.05 AUD
Regular price $146.05 AUD Sale price $123.05 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
50.8
mm
Material
Brass
Max Head Diameter
15.16
mm
Max Head Height
4.85
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - Brass Slotted
Material: Brass    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-051-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $329.86 AUD
Regular price Sale price $329.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - Brass Slotted Screw
Thread Size (C)
5/16-18 BSW (7.94mm)
Overall Length (L)
50.8
mm
Material
Brass
Max Head Diameter
15.16
mm
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - Brass Slotted
Material: Brass    Max Head Height: 4.85 mm    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Part Number: SK079W-051-SL-BR (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Sep 30, 2026
Regular price $329.86 AUD
Regular price Sale price $329.86 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $127.50 AUD
Regular price $151.40 AUD Sale price $127.50 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-051-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $127.50 AUD
Regular price $151.40 AUD Sale price $127.50 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $132.41 AUD
Regular price $157.29 AUD Sale price $132.41 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-064-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $132.41 AUD
Regular price $157.29 AUD Sale price $132.41 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-064-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $181.77 AUD
Regular price $216.53 AUD Sale price $181.77 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-064-SK-CZ (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $181.77 AUD
Regular price $216.53 AUD Sale price $181.77 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 BSW - 7.94mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $166.32 AUD
Regular price $197.98 AUD Sale price $166.32 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079W-076-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $166.32 AUD
Regular price $197.98 AUD Sale price $166.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $43.59 AUD
Regular price Sale price $43.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $43.59 AUD
Regular price Sale price $43.59 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-C (Pack of 10)
9 units (90 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $3.41 AUD
Regular price $5.51 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-C (Pack of 10)
9 units (90 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $3.41 AUD
Regular price $5.51 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
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
Countersunk Screws - 5/16-18 UNC - 7.94mm - 12.7 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-CZ (Pack of 10)
5 units (50 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $4.86 AUD
Regular price $8.21 AUD Sale price $4.86 AUD
Priced, Stocked and Sold Per pack of 10
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-013-SK-CZ (Pack of 10)
5 units (50 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $4.86 AUD
Regular price $8.21 AUD Sale price $4.86 AUD
Priced, Stocked and Sold Per pack of 10
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 - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $47.50 AUD
Regular price Sale price $47.50 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $47.50 AUD
Regular price Sale price $47.50 AUD
Priced, Stocked and Sold Per pack of 50
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
Max Head Height
5.0
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $66.68 AUD
Regular price Sale price $66.68 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $66.68 AUD
Regular price Sale price $66.68 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 UNC - 7.94mm - 15.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $49.68 AUD
Regular price Sale price $49.68 AUD
Priced, Stocked and Sold Per pack of 50
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-016-SK-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $49.68 AUD
Regular price Sale price $49.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $54.14 AUD
Regular price Sale price $54.14 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $54.14 AUD
Regular price Sale price $54.14 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $69.23 AUD
Regular price Sale price $69.23 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $69.23 AUD
Regular price Sale price $69.23 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 5/16-18 UNC - 7.94mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-CZ (Pack of 5)
14 units (70 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $3.14 AUD
Regular price $4.98 AUD Sale price $3.14 AUD
Priced, Stocked and Sold Per pack of 5
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    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-019-SK-CZ (Pack of 5)
14 units (70 pcs) Available Now | Further orders can be expected around Fri, Aug 14, 2026
Regular price $3.14 AUD
Regular price $4.98 AUD Sale price $3.14 AUD
Priced, Stocked and Sold Per pack of 5
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 - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Max Head Height
5.0
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-025-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $66.86 AUD
Regular price Sale price $66.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - 304 Stainless 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
304 Stainless
Max Head Diameter
16.7
mm
Countersunk Screws - 5/16-18 UNC - 7.94mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 5.0 mm    Type: 4.76 (3/16)   
Category: Screws - Countersunk - Socket
Part Number: SK079C-025-SK-S4 (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Fri, Aug 14, 2026
Regular price $66.86 AUD
Regular price Sale price $66.86 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.