Collection: Screws - Countersunk - Socket

Screws -> Countersunk -> Socket
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Minimum Thread Length (l) Indicative
Image
Countersunk Screws - 3-48 UNC - 2.52mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-006-SK-C (PK-10)
10 units (100 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Countersunk Screws - 3-48 UNC - 2.52mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-006-SK-C (PK-10)
10 units (100 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $10.86 AUD
Regular price $13.04 AUD Sale price $10.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (100 pcs) Available Now. Backorder if more than 10.
Countersunk Screws - 3-48 UNC - 2.52mm - 7.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 7.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-007-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $128.86 AUD
Regular price $154.64 AUD Sale price $128.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 7.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 7.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-007-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $128.86 AUD
Regular price $154.64 AUD Sale price $128.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-010-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $160.86 AUD
Regular price $193.04 AUD Sale price $160.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-010-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $160.86 AUD
Regular price $193.04 AUD Sale price $160.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-013-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $153.23 AUD
Regular price $183.87 AUD Sale price $153.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-013-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $153.23 AUD
Regular price $183.87 AUD Sale price $153.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-016-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $206.14 AUD
Regular price $247.36 AUD Sale price $206.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-016-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $206.14 AUD
Regular price $247.36 AUD Sale price $206.14 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-019-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $214.77 AUD
Regular price $257.73 AUD Sale price $214.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-019-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $214.77 AUD
Regular price $257.73 AUD Sale price $214.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
22.2
mm
+ 0.0 / - 0.76
(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-022-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $200.05 AUD
Regular price $240.05 AUD Sale price $200.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Overall Length (L)
22.2
mm
+ 0.0 / - 0.76
(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-022-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $200.05 AUD
Regular price $240.05 AUD Sale price $200.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Max Head Height
1.9
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-025-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $206.77 AUD
Regular price $248.13 AUD Sale price $206.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 3-48 UNC - 2.52mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

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

Max Head Diameter
5.7
mm
Countersunk Screws - 3-48 UNC - 2.52mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.9 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK025C-025-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $206.77 AUD
Regular price $248.13 AUD Sale price $206.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
4.8
mm
+ 0.0 / - 0.76
(Equiv. 0.189 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-005-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $3.05 AUD
Regular price $5.61 AUD Sale price $3.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
4.8
mm
+ 0.0 / - 0.76
(Equiv. 0.189 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-005-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $3.05 AUD
Regular price $5.61 AUD Sale price $3.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (50 pcs) Available Now. Backorder if more than 1.
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
4.8
mm
+ 0.0 / - 0.76
(Equiv. 0.189 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-005-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $52.41 AUD
Regular price Sale price $52.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
4.8
mm
+ 0.0 / - 0.76
(Equiv. 0.189 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 4.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-005-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $52.41 AUD
Regular price Sale price $52.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-006-SK-S4 (PK-50)
5 units (250 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $3.14 AUD
Regular price $5.87 AUD Sale price $3.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-006-SK-S4 (PK-50)
5 units (250 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $3.14 AUD
Regular price $5.87 AUD Sale price $3.14 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (250 pcs) Available Now. Backorder if more than 5.
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-006-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $26.23 AUD
Regular price Sale price $26.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
6.4
mm
+ 0.0 / - 0.76
(Equiv. 0.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-006-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $26.23 AUD
Regular price Sale price $26.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-007-SK-S4 (PK-20)
9 units (180 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-007-SK-S4 (PK-20)
9 units (180 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (180 pcs) Available Now. Backorder if more than 9.
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-007-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
7.9
mm
+ 0.0 / - 0.76
(Equiv. 0.311 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 7.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-007-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. Backorder if more than 8.
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-010-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $4.32 AUD
Regular price $8.14 AUD Sale price $4.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
9.5
mm
+ 0.0 / - 0.76
(Equiv. 0.374 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-010-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $4.32 AUD
Regular price $8.14 AUD Sale price $4.32 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (50 pcs) Available Now. Backorder if more than 1.
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-010-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.68 AUD
Regular price $4.99 AUD Sale price $2.68 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 9 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-010-SK-C (PK-10)
9 units (90 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.68 AUD
Regular price $4.99 AUD Sale price $2.68 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. Backorder if more than 9.
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-013-SK-S4 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.32 AUD
Regular price $4.22 AUD Sale price $2.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-013-SK-S4 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.32 AUD
Regular price $4.22 AUD Sale price $2.32 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-013-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $60.32 AUD
Regular price Sale price $60.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
12.7
mm
+ 0.0 / - 0.76
(Equiv. 0.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-013-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $60.32 AUD
Regular price Sale price $60.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-016-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $38.23 AUD
Regular price Sale price $38.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
304 Stainless

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-016-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $38.23 AUD
Regular price Sale price $38.23 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-016-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.86 AUD
Regular price $5.26 AUD Sale price $2.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 8 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
15.9
mm
+ 0.0 / - 0.76
(Equiv. 0.626 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-016-SK-C (PK-10)
8 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $2.86 AUD
Regular price $5.26 AUD Sale price $2.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

8 units (80 pcs) Available Now. Backorder if more than 8.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-019-SK-S4 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $4.23 AUD
Regular price $7.85 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-019-SK-S4 (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Sun, Jan 11, 2026
Regular price $4.23 AUD
Regular price $7.85 AUD Sale price $4.23 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $33.05 AUD
Regular price Sale price $33.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-019-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $33.05 AUD
Regular price Sale price $33.05 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
22.2
mm
+ 0.0 / - 0.76
(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-022-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $45.50 AUD
Regular price Sale price $45.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Overall Length (L)
22.2
mm
+ 0.0 / - 0.76
(Equiv. 0.874 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK028C-022-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $45.50 AUD
Regular price Sale price $45.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-025-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $51.50 AUD
Regular price Sale price $51.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

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

Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.1 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.59 (1/16) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK028C-025-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Sun, Jan 11, 2026
Regular price $51.50 AUD
Regular price Sale price $51.50 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.