Collection: Screws - Countersunk

Screws -> Countersunk
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $237.23 AUD
Regular price Sale price $237.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-032-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $237.23 AUD
Regular price Sale price $237.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-032-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $124.86 AUD
Regular price Sale price $124.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-032-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 31.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $124.86 AUD
Regular price Sale price $124.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $211.41 AUD
Regular price Sale price $211.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $211.41 AUD
Regular price Sale price $211.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $109.68 AUD
Regular price Sale price $109.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $109.68 AUD
Regular price Sale price $109.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.55
(Equiv. 1.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-038-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 38.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $119.86 AUD
Regular price Sale price $119.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-045-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $119.86 AUD
Regular price Sale price $119.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-045-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $130.95 AUD
Regular price Sale price $130.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-045-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 44.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $130.95 AUD
Regular price Sale price $130.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $175.50 AUD
Regular price Sale price $175.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $175.50 AUD
Regular price Sale price $175.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-C (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $127.95 AUD
Regular price Sale price $127.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $182.59 AUD
Regular price Sale price $182.59 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
50.8
mm
+ 0.0 / - 1.55
(Equiv. 2 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-051-SK-CZ (50 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 50.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $182.59 AUD
Regular price Sale price $182.59 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $242.86 AUD
Regular price Sale price $242.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $242.86 AUD
Regular price Sale price $242.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $101.32 AUD
Regular price Sale price $101.32 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
57.2
mm
+ 0.0 / - 1.55
(Equiv. 2.252 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-057-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 57.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $101.32 AUD
Regular price Sale price $101.32 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $185.86 AUD
Regular price Sale price $185.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $185.86 AUD
Regular price Sale price $185.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $62.77 AUD
Regular price $75.33 AUD Sale price $62.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $62.77 AUD
Regular price $75.33 AUD Sale price $62.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $115.05 AUD
Regular price Sale price $115.05 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
63.5
mm
+ 0.0 / - 1.55
(Equiv. 2.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-064-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 63.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $115.05 AUD
Regular price Sale price $115.05 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $188.50 AUD
Regular price Sale price $188.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $188.50 AUD
Regular price Sale price $188.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $73.50 AUD
Regular price $88.20 AUD Sale price $73.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $73.50 AUD
Regular price $88.20 AUD Sale price $73.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $151.05 AUD
Regular price Sale price $151.05 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
76.2
mm
+ 0.0 / - 2.05
(Equiv. 3 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-076-SK-CZ (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 76.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $151.05 AUD
Regular price Sale price $151.05 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-089-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $688.41 AUD
Regular price Sale price $688.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-089-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $688.41 AUD
Regular price Sale price $688.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-089-SK-C (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $112.50 AUD
Regular price Sale price $112.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $700.23 AUD
Regular price Sale price $700.23 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
304 Stainless

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-S4 (25 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $700.23 AUD
Regular price Sale price $700.23 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $42.14 AUD
Regular price $50.56 AUD Sale price $42.14 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-C (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $42.14 AUD
Regular price $50.56 AUD Sale price $42.14 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Max Head Height
8.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-CZ (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $58.68 AUD
Regular price $70.42 AUD Sale price $58.68 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5/8-11 UNC (15.88mm)

Overall Length (L)
101.6
mm
+ 0.0 / - 2.05
(Equiv. 4 in.)
Material
Zinc Plated Steel

Max Head Diameter
30.2
mm
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 8.2 mm    Type: 9.53 (3/8)   
Category: Screws - Countersunk - Socket
Part Number: SK159C-102-SK-CZ (10 Pcs)
Countersunk Screws - 5/8-11 UNC - 15.88mm - 101.6 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $58.68 AUD
Regular price $70.42 AUD Sale price $58.68 AUD
Per 10
Quantity Required

Backorder: Out of Stock.