Collection: Screws - Countersunk

Screws -> Countersunk
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-064-SK-C (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $201.23 AUD
Regular price Sale price $201.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-064-SK-C (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $201.23 AUD
Regular price Sale price $201.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-064-SK-CZ (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $122.86 AUD
Regular price Sale price $122.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-064-SK-CZ (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 63.5 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $122.86 AUD
Regular price Sale price $122.86 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $104.50 AUD
Regular price Sale price $104.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $104.50 AUD
Regular price Sale price $104.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-C (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $94.14 AUD
Regular price Sale price $94.14 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-C (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $94.14 AUD
Regular price Sale price $94.14 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-CZ (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $164.41 AUD
Regular price Sale price $164.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-076-SK-CZ (50 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $164.41 AUD
Regular price Sale price $164.41 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-089-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $57.68 AUD
Regular price $69.22 AUD Sale price $57.68 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-089-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $57.68 AUD
Regular price $69.22 AUD Sale price $57.68 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-089-SK-CZ (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $98.86 AUD
Regular price Sale price $98.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
88.9
mm
+ 0.0 / - 2.05
(Equiv. 3.5 in.)
Material
Zinc Plated Steel

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-089-SK-CZ (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $98.86 AUD
Regular price Sale price $98.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $170.23 AUD
Regular price Sale price $170.23 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $170.23 AUD
Regular price Sale price $170.23 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 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 $61.50 AUD
Regular price $73.80 AUD Sale price $61.50 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-CZ (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $101.86 AUD
Regular price Sale price $101.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-102-SK-CZ (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $101.86 AUD
Regular price Sale price $101.86 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
127
mm
+ 0.0 / - 2.05
(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-127-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $68.77 AUD
Regular price $82.53 AUD Sale price $68.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
127
mm
+ 0.0 / - 2.05
(Equiv. 5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-127-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $68.77 AUD
Regular price $82.53 AUD Sale price $68.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
152.4
mm
+ 0.0 / - 2.05
(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-152-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $96.77 AUD
Regular price Sale price $96.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-13 UNC (12.7mm)

Overall Length (L)
152.4
mm
+ 0.0 / - 2.05
(Equiv. 6 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127C-152-SK-C (25 Pcs)
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $96.77 AUD
Regular price Sale price $96.77 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-019-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $105.50 AUD
Regular price $126.60 AUD Sale price $105.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-019-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $105.50 AUD
Regular price $126.60 AUD Sale price $105.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-019-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $139.59 AUD
Regular price $167.51 AUD Sale price $139.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-019-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $139.59 AUD
Regular price $167.51 AUD Sale price $139.59 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $109.41 AUD
Regular price Sale price $109.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $109.41 AUD
Regular price Sale price $109.41 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $136.14 AUD
Regular price $163.36 AUD Sale price $136.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $136.14 AUD
Regular price $163.36 AUD Sale price $136.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $148.14 AUD
Regular price $177.76 AUD Sale price $148.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-025-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $148.14 AUD
Regular price $177.76 AUD Sale price $148.14 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
304 Stainless

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $112.14 AUD
Regular price Sale price $112.14 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.55
(Equiv. 1.252 in.)
Material
304 Stainless

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-S4 (25 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $112.14 AUD
Regular price Sale price $112.14 AUD
Per 25
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $141.32 AUD
Regular price $169.58 AUD Sale price $141.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $141.32 AUD
Regular price $169.58 AUD Sale price $141.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $160.05 AUD
Regular price $192.05 AUD Sale price $160.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-032-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $160.05 AUD
Regular price $192.05 AUD Sale price $160.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-S4 (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $387.41 AUD
Regular price $464.89 AUD Sale price $387.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-S4 (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $387.41 AUD
Regular price $464.89 AUD Sale price $387.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $142.95 AUD
Regular price $171.55 AUD Sale price $142.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-C (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $142.95 AUD
Regular price $171.55 AUD Sale price $142.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $175.32 AUD
Regular price $210.38 AUD Sale price $175.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-038-SK-CZ (100 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Fri, Sep 12, 2025
Regular price $175.32 AUD
Regular price $210.38 AUD Sale price $175.32 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-045-SK-C (50 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $221.23 AUD
Regular price Sale price $221.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 6.4 mm    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-045-SK-C (50 Pcs)
Countersunk Screws - 1/2-20 UNF - 12.7mm - 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 $221.23 AUD
Regular price Sale price $221.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.