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
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
45
mm
+/- 0.25
(Equiv. 1.772 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.0
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 45 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-045-SK-C (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 45 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
45
mm
+/- 0.25
(Equiv. 1.772 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.0
mm
Countersunk Screws - M3 - 3x0.5mm - 45 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-045-SK-C (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 45 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
45
mm
+/- 0.25
(Equiv. 1.772 in.)
Material
Zinc Plated Steel

Max Head Diameter
6.0
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 45 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-045-SK-CZ (5 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 45 mm - Zinc Plated Steel Socket Screw
17 units (85 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $1.86 AUD
Regular price $3.47 AUD Sale price $1.86 AUD
Per 5
Quantity Required

17 units (85 pcs) Available Now. Backorder if more than 17.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
45
mm
+/- 0.25
(Equiv. 1.772 in.)
Material
Zinc Plated Steel

Max Head Diameter
6.0
mm
Countersunk Screws - M3 - 3x0.5mm - 45 mm - Zinc Plated Steel Socket
Material: Zinc Plated Steel    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-045-SK-CZ (5 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 45 mm - Zinc Plated Steel Socket Screw
17 units (85 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $1.86 AUD
Regular price $3.47 AUD Sale price $1.86 AUD
Per 5
Quantity Required

17 units (85 pcs) Available Now. Backorder if more than 17.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
304 Stainless

Max Head Diameter
5.6
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK030M-050-SK-S4 (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $35.68 AUD
Regular price Sale price $35.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
304 Stainless

Max Head Diameter
5.6
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK030M-050-SK-S4 (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $35.68 AUD
Regular price Sale price $35.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
316 Stainless

Max Head Diameter
5.6
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 316 Stainless Socket
Material: Stainless Steel 316 (Similar to A4, 18-10)    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - 316 Stainless
Part Number: SK030M-050-SK-S6 (100 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 316 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $107.23 AUD
Regular price $128.67 AUD Sale price $107.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
316 Stainless

Max Head Diameter
5.6
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 316 Stainless Socket
Material: Stainless Steel 316 (Similar to A4, 18-10)    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - 316 Stainless
Part Number: SK030M-050-SK-S6 (100 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - 316 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $107.23 AUD
Regular price $128.67 AUD Sale price $107.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.0
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-050-SK-C (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $44.23 AUD
Regular price Sale price $44.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
M3 (3x0.5mm)

Overall Length (L)
50
mm
+/- 0.25
(Equiv. 1.969 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
6.0
mm
Countersunk Screws - M3 - 3x0.5mm - 50 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.7 mm    Hex Key (s): 2.00 mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK030M-050-SK-C (50 Pcs)
Countersunk Screws - M3 - 3x0.5mm - 50 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $44.23 AUD
Regular price Sale price $44.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-006-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-006-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $24.41 AUD
Regular price Sale price $24.41 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-006-SK-C (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $56.86 AUD
Regular price Sale price $56.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-006-SK-C (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $56.86 AUD
Regular price Sale price $56.86 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-010-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $28.50 AUD
Regular price Sale price $28.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-010-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $28.50 AUD
Regular price Sale price $28.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-010-SK-C (10 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $5.23 AUD
Regular price Sale price $5.23 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-010-SK-C (10 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 9.5 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $5.23 AUD
Regular price Sale price $5.23 AUD
Per 10
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-013-SK-S4 (20 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - 304 Stainless Socket Screw
3 units (60 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $2.95 AUD
Regular price $5.50 AUD Sale price $2.95 AUD
Per 20
Quantity Required

3 units (60 pcs) Available Now. Backorder if more than 3.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-013-SK-S4 (20 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - 304 Stainless Socket Screw
3 units (60 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $2.95 AUD
Regular price $5.50 AUD Sale price $2.95 AUD
Per 20
Quantity Required

3 units (60 pcs) Available Now. Backorder if more than 3.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-013-SK-C (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $59.95 AUD
Regular price Sale price $59.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-013-SK-C (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 12.7 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $59.95 AUD
Regular price Sale price $59.95 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-016-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $33.50 AUD
Regular price Sale price $33.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-016-SK-S4 (100 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $33.50 AUD
Regular price Sale price $33.50 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-016-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $33.23 AUD
Regular price Sale price $33.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-016-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 15.9 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $33.23 AUD
Regular price Sale price $33.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-019-SK-S4 (20 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - 304 Stainless Socket Screw
9 units (180 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $3.68 AUD
Regular price $6.94 AUD Sale price $3.68 AUD
Per 20
Quantity Required

9 units (180 pcs) Available Now. Backorder if more than 9.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK032C-019-SK-S4 (20 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - 304 Stainless Socket Screw
9 units (180 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $3.68 AUD
Regular price $6.94 AUD Sale price $3.68 AUD
Per 20
Quantity Required

9 units (180 pcs) Available Now. Backorder if more than 9.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-019-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $34.77 AUD
Regular price Sale price $34.77 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-019-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 19.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $34.77 AUD
Regular price Sale price $34.77 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-022-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-022-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 22.2 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $42.68 AUD
Regular price Sale price $42.68 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-025-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $44.23 AUD
Regular price Sale price $44.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

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

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-025-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $44.23 AUD
Regular price Sale price $44.23 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-032-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $70.95 AUD
Regular price Sale price $70.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-032-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $70.95 AUD
Regular price Sale price $70.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
7.1
mm
Max Head Height
2.3
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-038-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $40.95 AUD
Regular price $49.15 AUD Sale price $40.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
5-40 UNC (3.18mm)

Overall Length (L)
38.1
mm
+ 0.0 / - 1.02
(Equiv. 1.5 in.)
Material
High Tensile Steel / Black Oxide

Max Head Diameter
7.1
mm
Countersunk Screws - 5-40 UNC - 3.18mm - 38.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.3 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK032C-038-SK-C (50 Pcs)
Countersunk Screws - 5-40 UNC - 3.18mm - 38.1 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $40.95 AUD
Regular price $49.15 AUD Sale price $40.95 AUD
Per 50
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Max Head Height
2.5
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-005-SK-S4 (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $27.23 AUD
Regular price Sale price $27.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.5 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-005-SK-S4 (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $27.23 AUD
Regular price Sale price $27.23 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Max Head Height
2.5
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK035C-005-SK-C (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $53.68 AUD
Regular price Sale price $53.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.5 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK035C-005-SK-C (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 4.8 mm - High Tensile Steel / Black Oxide Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $53.68 AUD
Regular price Sale price $53.68 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Max Head Height
2.5
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-006-SK-S4 (50 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - 304 Stainless Socket Screw
2 units (100 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $3.41 AUD
Regular price $6.41 AUD Sale price $3.41 AUD
Per 50
Quantity Required

2 units (100 pcs) Available Now. Backorder if more than 2.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.5 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-006-SK-S4 (50 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - 304 Stainless Socket Screw
2 units (100 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $3.41 AUD
Regular price $6.41 AUD Sale price $3.41 AUD
Per 50
Quantity Required

2 units (100 pcs) Available Now. Backorder if more than 2.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Max Head Height
2.5
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK035C-006-SK-C (10 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
32 units (320 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $2.41 AUD
Regular price $4.54 AUD Sale price $2.41 AUD
Per 10
Quantity Required

32 units (320 pcs) Available Now. Backorder if more than 32.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.5 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - Steel
Part Number: SK035C-006-SK-C (10 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 6.4 mm - High Tensile Steel / Black Oxide Socket Screw
32 units (320 pcs) Available Now | Further orders can be expected around Sun, Sep 07, 2025
Regular price $2.41 AUD
Regular price $4.54 AUD Sale price $2.41 AUD
Per 10
Quantity Required

32 units (320 pcs) Available Now. Backorder if more than 32.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Max Head Height
2.5
mm
Minimum Thread Length (l)
Not Specified
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 7.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-007-SK-S4 (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 7.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $19.05 AUD
Regular price Sale price $19.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.
Thread Size (C)
6-32 UNC (3.5mm)

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

Max Head Diameter
7.8
mm
Countersunk Screws - 6-32 UNC - 3.5mm - 7.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 2.5 mm    Minimum Thread Length (l): Not Specified mm    Hex Key (s): 1.98 (5/64) mm   
Category: Screws - Countersunk - Socket - 304 Stainless
Part Number: SK035C-007-SK-S4 (100 Pcs)
Countersunk Screws - 6-32 UNC - 3.5mm - 7.9 mm - 304 Stainless Socket Screw
Out of Stock | Backorder Now | Orders can be expected around Sun, Sep 07, 2025
Regular price $19.05 AUD
Regular price Sale price $19.05 AUD
Per 100
Quantity Required

Backorder: Out of Stock.