Collection: Screws - Countersunk

Screws -> Countersunk
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $114.95 AUD
Regular price Sale price $114.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $114.95 AUD
Regular price Sale price $114.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $77.95 AUD
Regular price Sale price $77.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $77.95 AUD
Regular price Sale price $77.95 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 76.2 mm - Zinc Plated Steel Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $83.59 AUD
Regular price Sale price $83.59 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $62.95 AUD
Regular price $75.55 AUD Sale price $62.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $62.95 AUD
Regular price $75.55 AUD Sale price $62.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $108.23 AUD
Regular price Sale price $108.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 88.9 mm - Zinc Plated Steel Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $108.23 AUD
Regular price Sale price $108.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $187.14 AUD
Regular price Sale price $187.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $187.14 AUD
Regular price Sale price $187.14 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $67.23 AUD
Regular price $80.67 AUD Sale price $67.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $67.23 AUD
Regular price $80.67 AUD Sale price $67.23 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $112.05 AUD
Regular price Sale price $112.05 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 101.6 mm - Zinc Plated Steel Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $112.05 AUD
Regular price Sale price $112.05 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $75.05 AUD
Regular price $90.05 AUD Sale price $75.05 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 127 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $75.05 AUD
Regular price $90.05 AUD Sale price $75.05 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $106.50 AUD
Regular price Sale price $106.50 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-13 UNC - 12.7mm - 152.4 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $106.50 AUD
Regular price Sale price $106.50 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $113.05 AUD
Regular price $135.65 AUD Sale price $113.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $113.05 AUD
Regular price $135.65 AUD Sale price $113.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $147.41 AUD
Regular price $176.89 AUD Sale price $147.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 19.1 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $147.41 AUD
Regular price $176.89 AUD Sale price $147.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $120.32 AUD
Regular price Sale price $120.32 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $120.32 AUD
Regular price Sale price $120.32 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $144.68 AUD
Regular price $173.62 AUD Sale price $144.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $144.68 AUD
Regular price $173.62 AUD Sale price $144.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $158.50 AUD
Regular price $190.20 AUD Sale price $158.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 25.4 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $158.50 AUD
Regular price $190.20 AUD Sale price $158.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $122.95 AUD
Regular price Sale price $122.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - 304 Stainless Socket Screw
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 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $122.95 AUD
Regular price Sale price $122.95 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $148.95 AUD
Regular price $178.75 AUD Sale price $148.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $148.95 AUD
Regular price $178.75 AUD Sale price $148.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $170.59 AUD
Regular price $204.71 AUD Sale price $170.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 31.8 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $170.59 AUD
Regular price $204.71 AUD Sale price $170.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $426.68 AUD
Regular price $512.02 AUD Sale price $426.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - 304 Stainless Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $426.68 AUD
Regular price $512.02 AUD Sale price $426.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $152.14 AUD
Regular price $182.56 AUD Sale price $152.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $152.14 AUD
Regular price $182.56 AUD Sale price $152.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $187.41 AUD
Regular price $224.89 AUD Sale price $187.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 38.1 mm - Zinc Plated Steel Socket Screw
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 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $187.41 AUD
Regular price $224.89 AUD Sale price $187.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $233.68 AUD
Regular price Sale price $233.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - High Tensile Steel / Black Oxide Socket Screw
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 (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $233.68 AUD
Regular price Sale price $233.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
1/2-20 UNF (12.7mm)

Overall Length (L)
44.5
mm
+ 0.0 / - 1.55
(Equiv. 1.752 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 - 44.5 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Type: 7.94 (5/16)   
Category: Screws - Countersunk - Socket
Part Number: SK127F-045-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $106.68 AUD
Regular price Sale price $106.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 mm - Zinc Plated Steel Socket Screw
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 44.5 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: SK127F-045-SK-CZ (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $106.68 AUD
Regular price Sale price $106.68 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 50.8 mm - 304 Stainless Socket Screw
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Max Head Height
6.4
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 50.8 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-051-SK-S4 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $149.59 AUD
Regular price Sale price $149.59 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 1/2-20 UNF - 12.7mm - 50.8 mm - 304 Stainless Socket Screw
Thread Size (C)
1/2-20 UNF (12.7mm)

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

Max Head Diameter
23.8
mm
Countersunk Screws - 1/2-20 UNF - 12.7mm - 50.8 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-051-SK-S4 (PK-25)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $149.59 AUD
Regular price Sale price $149.59 AUD
Priced, Stocked and Sold Per 25 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.