Collection: Screws - Socket Cap

4743 Products in this selection
This is a combined category of Socket Cap Screws.
Use the filters in the table below, or the category tree above to refine the selection. To order any item, simply click the part number for a full product page, then add to your cart.
Screws - Socket Cap
Additional resources:
PDF Screws Catalogue
Washers
Nuts
A more concise listing may be found on the Smallparts store at Screws - Socket Cap. Smallparts promote the most popular MBA products.
Thread Size (C) Thread Length (L) Material Head Length (B Max.) Head Diameter (A Max.) Drive Depth (E) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
15.9
mm

(0.626 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-016-C-SK-C (100 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $60.68 AUD
Regular price Sale price $60.68 AUD
Per 100
Thread Size (C) Thread Length (L) Material Head Length (B Max.) Indicative
Image
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
15.9
mm

(0.626 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-016-C-SK-C (100 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $60.68 AUD
Regular price Sale price $60.68 AUD
Per 100
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
19.1
mm

(0.752 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-019-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - 304 Stainless
31 units (1550 pcs) Available Immediately | Further orders can be expected around Tue, Jul 29, 2025
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
19.1
mm

(0.752 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-019-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - 304 Stainless
31 units (1550 pcs) Available Immediately | Further orders can be expected around Tue, Jul 29, 2025
Regular price $4.77 AUD
Regular price Sale price $4.77 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
19.1
mm

(0.752 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-019-C-SK-C (20 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - High Tensile Steel / Black Oxide
18 units (360 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Per 20
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
19.1
mm

(0.752 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-019-C-SK-C (20 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 19.1 mm - High Tensile Steel / Black Oxide
18 units (360 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Per 20
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
22.2
mm

(0.874 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-022-C-SK-S4 (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - 304 Stainless
58 units (580 pcs) Available Immediately | Further orders can be expected around Tue, Jul 29, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
22.2
mm

(0.874 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-022-C-SK-S4 (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - 304 Stainless
58 units (580 pcs) Available Immediately | Further orders can be expected around Tue, Jul 29, 2025
Regular price $4.68 AUD
Regular price Sale price $4.68 AUD
Per 10
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
22.2
mm

(0.874 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-022-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $36.86 AUD
Regular price Sale price $36.86 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
22.2
mm

(0.874 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-022-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 22.2 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $36.86 AUD
Regular price Sale price $36.86 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-025-C-SK-S4 (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-025-C-SK-S4 (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $6.68 AUD
Regular price Sale price $6.68 AUD
Per 10
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
Aluminium
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Aluminium
Material: Aluminium    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Aluminium
Part Number: SC028C-025-C-SK-A (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Aluminium
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
Aluminium
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Aluminium
Material: Aluminium    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Aluminium
Part Number: SC028C-025-C-SK-A (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Aluminium
7 units (70 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-025-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $38.41 AUD
Regular price Sale price $38.41 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-025-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $38.41 AUD
Regular price Sale price $38.41 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
Nylon (Zytel 101)
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Nylon -Zytel 101-
Material: Nylon (Polyamide 6/6)    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Nylon
Part Number: SC028C-025-C-SK-N (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Nylon -Zytel 101-
18 units (180 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
25.4
mm

(1 in.)
Material
Nylon (Zytel 101)
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Nylon -Zytel 101-
Material: Nylon (Polyamide 6/6)    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Nylon
Part Number: SC028C-025-C-SK-N (10 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 25.4 mm - Nylon -Zytel 101-
18 units (180 pcs) Available Immediately | Item Discontinued - Only the quantity available may be ordered - Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Per 10
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
28.6
mm

(1.126 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 28.6 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-029-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 28.6 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $41.59 AUD
Regular price Sale price $41.59 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
28.6
mm

(1.126 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 28.6 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-029-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 28.6 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $41.59 AUD
Regular price Sale price $41.59 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
31.8
mm

(1.252 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-032-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $46.41 AUD
Regular price Sale price $46.41 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
31.8
mm

(1.252 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-032-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $46.41 AUD
Regular price Sale price $46.41 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
31.8
mm

(1.252 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-032-C-SK-C (5 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - High Tensile Steel / Black Oxide
28 units (140 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Per 5
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
31.8
mm

(1.252 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-032-C-SK-C (5 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 31.8 mm - High Tensile Steel / Black Oxide
28 units (140 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $3.95 AUD
Regular price Sale price $3.95 AUD
Per 5
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
38.1
mm

(1.5 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-038-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $76.68 AUD
Regular price Sale price $76.68 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
38.1
mm

(1.5 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-038-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $76.68 AUD
Regular price Sale price $76.68 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
38.1
mm

(1.5 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-038-C-SK-C (5 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - High Tensile Steel / Black Oxide
8 units (40 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Per 5
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
38.1
mm

(1.5 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-038-C-SK-C (5 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 38.1 mm - High Tensile Steel / Black Oxide
8 units (40 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.50 AUD
Regular price Sale price $6.50 AUD
Per 5
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
44.4
mm

(1.748 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 44.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-044-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 44.4 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $91.05 AUD
Regular price Sale price $91.05 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
44.4
mm

(1.748 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 44.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-044-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 44.4 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $91.05 AUD
Regular price Sale price $91.05 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-051-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $94.23 AUD
Regular price Sale price $94.23 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Stainless
Part Number: SC028C-051-C-SK-S4 (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $94.23 AUD
Regular price Sale price $94.23 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-051-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $97.41 AUD
Regular price Sale price $97.41 AUD
Per 50
Thread Size (C)
4-40 UNC (2.85mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028C-051-C-SK-C (50 Pcs) Socket Cap Screws - 4-40 UNC -2.85mm- 50.8 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $97.41 AUD
Regular price Sale price $97.41 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
3.2
mm

(0.126 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 3.2 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-003-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 3.2 mm - High Tensile Steel / Black Oxide
45 units (450 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Per 10
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
3.2
mm

(0.126 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 3.2 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-003-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 3.2 mm - High Tensile Steel / Black Oxide
45 units (450 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $5.32 AUD
Regular price Sale price $5.32 AUD
Per 10
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
4.8
mm

(0.189 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 4.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-005-C-SK-C (100 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 4.8 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $60.68 AUD
Regular price Sale price $60.68 AUD
Per 100
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
4.8
mm

(0.189 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 4.8 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-005-C-SK-C (100 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 4.8 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $60.68 AUD
Regular price Sale price $60.68 AUD
Per 100
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
6.4
mm

(0.252 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 6.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-006-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 6.4 mm - High Tensile Steel / Black Oxide
8 units (80 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $5.86 AUD
Regular price Sale price $5.86 AUD
Per 10
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
6.4
mm

(0.252 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 6.4 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-006-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 6.4 mm - High Tensile Steel / Black Oxide
8 units (80 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $5.86 AUD
Regular price Sale price $5.86 AUD
Per 10
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
7.9
mm

(0.311 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 7.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-070-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 7.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $35.23 AUD
Regular price Sale price $35.23 AUD
Per 50
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
7.9
mm

(0.311 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 7.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-070-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 7.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $35.23 AUD
Regular price Sale price $35.23 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
9.5
mm

(0.374 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 9.5 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-010-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 9.5 mm - High Tensile Steel / Black Oxide
6 units (60 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Per 10
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
9.5
mm

(0.374 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 9.5 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-010-C-SK-C (10 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 9.5 mm - High Tensile Steel / Black Oxide
6 units (60 pcs) Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $6.14 AUD
Regular price Sale price $6.14 AUD
Per 10
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
12.7
mm

(0.5 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 12.7 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-013-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 12.7 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $40.05 AUD
Regular price Sale price $40.05 AUD
Per 50
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
12.7
mm

(0.5 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 12.7 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-013-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 12.7 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $40.05 AUD
Regular price Sale price $40.05 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
15.9
mm

(0.626 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Head Diameter (A Max.)
4.7
mm
Drive Depth (E)
1.30
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-016-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $71.86 AUD
Regular price Sale price $71.86 AUD
Per 50
Thread Size (C)
4-48 UNF (2.85mm)
Thread Length (L)
15.9
mm

(0.626 in.)
Material
High Tensile Steel / Black Oxide
Head Length (B Max.)
2.9
mm
Socket Cap Screws - 4-48 UNF -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Material: High Tensile Steel Black Oxide    Head Diameter (A Max.): 4.7 mm    Drive Depth (E): 1.30 mm    Shank Diameter (C): 2.73 - 2.84 mm    Hex Key (D): 2.38 (3/32) mm   
Category: Screws - Socket Cap - Alloy Steel
Part Number: SC028F-016-C-SK-C (50 Pcs) Socket Cap Screws - 4-48 UNF -2.85mm- 15.9 mm - High Tensile Steel / Black Oxide
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $71.86 AUD
Regular price Sale price $71.86 AUD
Per 50
View the product page first if you are unsure.