Collection: Screws - Countersunk

Screws -> Countersunk
Thread Size (C) Overall Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
15.9
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-016-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $17.32 AUD
Regular price Sale price $17.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Overall Length (L) Material Max Head Diameter Indicative
Image
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
15.9
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-016-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $17.32 AUD
Regular price Sale price $17.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Slotted Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
15.9
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Slotted
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Deleted Item. Available while stocks last.
Part Number: SK028C-016-SL-S4 (Pack of 22)
1 pack (22 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.40 AUD
Regular price $9.36 AUD Sale price $5.40 AUD
Priced, Stocked and Sold Per pack of 22
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (22 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Slotted Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
15.9
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Slotted
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Deleted Item. Available while stocks last.
Part Number: SK028C-016-SL-S4 (Pack of 22)
1 pack (22 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $5.40 AUD
Regular price $9.36 AUD Sale price $5.40 AUD
Priced, Stocked and Sold Per pack of 22
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (22 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
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
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-016-SK-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $43.23 AUD
Regular price Sale price $43.23 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-016-SK-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $43.23 AUD
Regular price Sale price $43.23 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 4-40 UNC - 2.85mm - 15.9 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-016-SK-C (Pack of 10)
8 units (80 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.86 AUD
Regular price $6.26 AUD Sale price $3.86 AUD
Priced, Stocked and Sold Per pack of 10
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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-016-SK-C (Pack of 10)
8 units (80 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.86 AUD
Regular price $6.26 AUD Sale price $3.86 AUD
Priced, Stocked and Sold Per pack of 10
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 Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
19.1
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-019-PH-S4 (Pack of 50)
1 pack (50 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $4.59 AUD
Regular price $7.68 AUD Sale price $4.59 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
19.1
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-019-PH-S4 (Pack of 50)
1 pack (50 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $4.59 AUD
Regular price $7.68 AUD Sale price $4.59 AUD
Priced, Stocked and Sold Per pack of 50
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 - 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
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-019-SK-S4 (Pack of 20)
3 units (60 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $5.23 AUD
Regular price $8.85 AUD Sale price $5.23 AUD
Priced, Stocked and Sold Per pack of 20
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-019-SK-S4 (Pack of 20)
3 units (60 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $5.23 AUD
Regular price $8.85 AUD Sale price $5.23 AUD
Priced, Stocked and Sold Per pack of 20
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (60 pcs) Available Now. Backorder if more than 3.
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
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
high Tensile
Part Number: SK028C-019-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $38.05 AUD
Regular price Sale price $38.05 AUD
Priced, Stocked and Sold Per pack of 50
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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
high Tensile
Part Number: SK028C-019-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $38.05 AUD
Regular price Sale price $38.05 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
19.1
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Max Head Height
2.1
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-019-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $22.05 AUD
Regular price $25.85 AUD Sale price $22.05 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
19.1
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 19.1 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Max Head Height: 2.1 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-019-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $22.05 AUD
Regular price $25.85 AUD Sale price $22.05 AUD
Priced, Stocked and Sold Per pack of 50
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
Countersunk Screws - 4-40 UNC - 2.85mm - 22.2 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-022-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.50 AUD
Regular price Sale price $50.50 AUD
Priced, Stocked and Sold Per pack of 50
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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-022-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $50.50 AUD
Regular price Sale price $50.50 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-025-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $25.59 AUD
Regular price Sale price $25.59 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-025-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $25.59 AUD
Regular price Sale price $25.59 AUD
Priced, Stocked and Sold Per pack of 100
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
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-025-SK-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $59.50 AUD
Regular price Sale price $59.50 AUD
Priced, Stocked and Sold Per pack of 100
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    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-025-SK-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $59.50 AUD
Regular price Sale price $59.50 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $81.95 AUD
Regular price Sale price $81.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
+ 0.0 / - 0.76
(Equiv. 1 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-025-SK-C (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $81.95 AUD
Regular price Sale price $81.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Max Head Height
2.1
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-025-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $22.95 AUD
Regular price $26.95 AUD Sale price $22.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
25.4
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 25.4 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Max Head Height: 2.1 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-025-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $22.95 AUD
Regular price $26.95 AUD Sale price $22.95 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
31.8
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-032-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $38.50 AUD
Regular price Sale price $38.50 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
31.8
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-032-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $38.50 AUD
Regular price Sale price $38.50 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.5
mm
Max Head Height
2.1
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $93.59 AUD
Regular price $110.71 AUD Sale price $93.59 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
31.8
mm
+ 0.0 / - 1.02
(Equiv. 1.252 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.5
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 31.8 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 2.1 mm    Type: 1.59 (1/16)   
Category: Screws - Countersunk - Socket
Part Number: SK028C-032-SK-C (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $93.59 AUD
Regular price $110.71 AUD Sale price $93.59 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
38.1
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Max Head Height
1.70
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-038-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $46.68 AUD
Regular price Sale price $46.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - 304 Stainless Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
38.1
mm
Material
304 Stainless
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.70 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-038-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $46.68 AUD
Regular price Sale price $46.68 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
38.1
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Max Head Height
2.1
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-038-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $25.68 AUD
Regular price $29.82 AUD Sale price $25.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - Zinc Plated Phillips Screw
Thread Size (C)
4-40 UNC (2.85mm)
Overall Length (L)
38.1
mm
Material
Zinc Plated
Max Head Diameter
5.38
mm
Countersunk Screws - 4-40 UNC - 2.85mm - 38.1 mm - Zinc Plated Phillips
Material: Steel Zinc Plated    Max Head Height: 2.1 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK028C-038-PH-CZ (Pack of 50)
Out of Stock | Backorder Now | Backorder now for delivery around Mon, Sep 28, 2026
Regular price $25.68 AUD
Regular price $29.82 AUD Sale price $25.68 AUD
Priced, Stocked and Sold Per pack of 50
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 4 mm - 304 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
4
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Max Head Height
1.65
mm
Countersunk Screws - M3 - 3x0.5mm - 4 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-004-PH-S4 (Pack of 100)
1 pack (100 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $4.86 AUD
Regular price $8.21 AUD Sale price $4.86 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Countersunk Screws - M3 - 3x0.5mm - 4 mm - 304 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
4
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Countersunk Screws - M3 - 3x0.5mm - 4 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.65 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-004-PH-S4 (Pack of 100)
1 pack (100 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $4.86 AUD
Regular price $8.21 AUD Sale price $4.86 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (100 pcs) Available Now. Backorder if more than 1.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Slotted Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Max Head Height
1.65
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Slotted
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Deleted Item. Available while stocks last.
Part Number: SK030M-005-SL-S4 (Pack of 30)
1 pack (30 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $10.00 AUD
Regular price $17.20 AUD Sale price $10.00 AUD
Priced, Stocked and Sold Per pack of 30
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (30 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Slotted Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Slotted
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.65 mm    Type: Countersunk / Slotted   
Category: Screws - Countersunk - Slotted
Deleted Item. Available while stocks last.
Part Number: SK030M-005-SL-S4 (Pack of 30)
1 pack (30 pcs) Available Now | Item Discontinued - Up to 1 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $10.00 AUD
Regular price $17.20 AUD Sale price $10.00 AUD
Priced, Stocked and Sold Per pack of 30
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (30 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
304 Stainless
Max Head Diameter
5.6
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-S4 (Pack of 100)
10 units (1000 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $7.41 AUD
Regular price Sale price $7.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 10 available can be backordered.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
304 Stainless
Max Head Diameter
5.6
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.7 mm    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-S4 (Pack of 100)
10 units (1000 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $7.41 AUD
Regular price Sale price $7.41 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

10 units (1000 pcs) Available Now. Backorder if more than 10.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Max Head Height
1.65
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-005-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $9.32 AUD
Regular price Sale price $9.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
304 Stainless
Max Head Diameter
5.60
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Phillips
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.65 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-005-PH-S4 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $9.32 AUD
Regular price Sale price $9.32 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
316 Stainless
Max Head Diameter
5.6
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Socket
Material: Stainless Steel 316 (Similar to A4, 18-10)    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-S6 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $42.95 AUD
Regular price Sale price $42.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
316 Stainless
Max Head Diameter
5.6
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Socket
Material: Stainless Steel 316 (Similar to A4, 18-10)    Max Head Height: 1.7 mm    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-S6 (Pack of 100)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $42.95 AUD
Regular price Sale price $42.95 AUD
Priced, Stocked and Sold Per pack of 100
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
316 Stainless
Max Head Diameter
5.60
mm
Max Head Height
1.65
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Phillips
Material: Stainless Steel 316 (Similar to A4, 18-10)    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-005-PH-S6 (Pack of 10)
3 units (30 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.41 AUD
Regular price $3.89 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 available can be backordered.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Phillips Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
Material
316 Stainless
Max Head Diameter
5.60
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - 316 Stainless Phillips
Material: Stainless Steel 316 (Similar to A4, 18-10)    Max Head Height: 1.65 mm    Type: Countersunk / Philips   
Category: Screws - Countersunk - Phillips
Part Number: SK030M-005-PH-S6 (Pack of 10)
3 units (30 pcs) Available Now | Further orders can be expected around Wed, Aug 12, 2026
Regular price $3.41 AUD
Regular price $3.89 AUD Sale price $3.41 AUD
Priced, Stocked and Sold Per pack of 10
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (30 pcs) Available Now. Backorder if more than 3.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.0
mm
Max Head Height
1.7
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-C (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $3.05 AUD
Regular price Sale price $3.05 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Countersunk Screws - M3 - 3x0.5mm - 5 mm - High Tensile Steel / Black Oxide Socket Screw
Thread Size (C)
M3 (3x0.5mm)
Overall Length (L)
5
mm
+/- 0.25
(Equiv. 0.197 in.)
Material
High Tensile Steel / Black Oxide
Max Head Diameter
6.0
mm
Countersunk Screws - M3 - 3x0.5mm - 5 mm - High Tensile Steel / Black Oxide Socket
Material: High Tensile Steel Black Oxide    Max Head Height: 1.7 mm    Type: 2.00   
Category: Screws - Countersunk - Socket
Part Number: SK030M-005-SK-C (Pack of 5)
Out of Stock | Backorder Now | Backorder now for delivery around Wed, Aug 12, 2026
Regular price $3.05 AUD
Regular price Sale price $3.05 AUD
Priced, Stocked and Sold Per pack of 5
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.