Collection: Screws - Button

Screws -> Button
Thread Size (C) Thread Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Button Screws - 3-48 UNC - 2.52mm - 7.9 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
7.9
mm

(Equiv. 0.311 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 7.9 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-007-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $43.32 AUD
Regular price Sale price $43.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Thread Size (C) Thread Length (L) Material Max Head Diameter Indicative
Image
Button Screws - 3-48 UNC - 2.52mm - 7.9 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
7.9
mm

(Equiv. 0.311 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 7.9 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-007-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $43.32 AUD
Regular price Sale price $43.32 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 9.5 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 9.5 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-010-B-SK-C (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $4.14 AUD
Regular price $7.69 AUD Sale price $4.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Button Screws - 3-48 UNC - 2.52mm - 9.5 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 9.5 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-010-B-SK-C (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $4.14 AUD
Regular price $7.69 AUD Sale price $4.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - 304 Stainless Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Deleted Item. Available while stocks last.
Part Number: SC025C-013-B-SK-S4 (PK-40)
1 pack (40 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 $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (40 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - 304 Stainless Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Deleted Item. Available while stocks last.
Part Number: SC025C-013-B-SK-S4 (PK-40)
1 pack (40 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 $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 40 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (40 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-013-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $47.95 AUD
Regular price Sale price $47.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 12.7 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-013-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $47.95 AUD
Regular price Sale price $47.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 15.9 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 15.9 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-016-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $59.95 AUD
Regular price Sale price $59.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 15.9 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 15.9 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-016-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $59.95 AUD
Regular price Sale price $59.95 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 19.1 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 19.1 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-019-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $61.86 AUD
Regular price Sale price $61.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 19.1 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 19.1 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-019-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $61.86 AUD
Regular price Sale price $61.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 25.4 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Max Head Height
1.3
mm
Button Screws - 3-48 UNC - 2.52mm - 25.4 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-025-B-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $21.50 AUD
Regular price $25.80 AUD Sale price $21.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 3-48 UNC - 2.52mm - 25.4 mm - Alloy Steel Socket Screw
Thread Size (C)
3-48 UNC (2.52mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
Alloy Steel

Max Head Diameter
4.8
mm
Button Screws - 3-48 UNC - 2.52mm - 25.4 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.3 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC025C-025-B-SK-C (PK-50)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $21.50 AUD
Regular price $25.80 AUD Sale price $21.50 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
4.8
mm

(Equiv. 0.189 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-005-B-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $30.68 AUD
Regular price Sale price $30.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
4.8
mm

(Equiv. 0.189 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 4.8 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-005-B-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $30.68 AUD
Regular price Sale price $30.68 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 303 Stainless Torx Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
303 Stainless

Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 303 Stainless Torx
Material: Stainless Steel Grade 303/304 HRB80    Type: Button Head / 5 Lobe T10 (Torx® Style)   
Category: Screws - Button - Torx
Part Number: SC028C-006-B-TX-S3 (PK-10000)
Out of Stock | Backorder Now | Orders can be expected around Sat, Feb 14, 2026
Regular price $10,999.14 AUD
Regular price $13,198.96 AUD Sale price $10,999.14 AUD
Priced, Stocked and Sold Per 10000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 303 Stainless Torx Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
303 Stainless

Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 303 Stainless Torx
Material: Stainless Steel Grade 303/304 HRB80    Type: Button Head / 5 Lobe T10 (Torx® Style)   
Category: Screws - Button - Torx
Part Number: SC028C-006-B-TX-S3 (PK-10000)
Out of Stock | Backorder Now | Orders can be expected around Sat, Feb 14, 2026
Regular price $10,999.14 AUD
Regular price $13,198.96 AUD Sale price $10,999.14 AUD
Priced, Stocked and Sold Per 10000 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-006-B-SK-S4 (PK-10)
3 units (30 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.23 AUD
Regular price $4.06 AUD Sale price $2.23 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 3 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-006-B-SK-S4 (PK-10)
3 units (30 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.23 AUD
Regular price $4.06 AUD Sale price $2.23 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

3 units (30 pcs) Available Now. Backorder if more than 3.
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-006-B-SK-C (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.14 AUD
Regular price $3.95 AUD Sale price $2.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
6.4
mm

(Equiv. 0.252 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 6.4 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-006-B-SK-C (PK-20)
4 units (80 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.14 AUD
Regular price $3.95 AUD Sale price $2.14 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (80 pcs) Available Now. Backorder if more than 4.
Button Screws - 4-40 UNC - 2.85mm - 7.9 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
7.9
mm

(Equiv. 0.311 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 7.9 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-007-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $26.86 AUD
Regular price Sale price $26.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 7.9 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
7.9
mm

(Equiv. 0.311 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 7.9 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-007-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $26.86 AUD
Regular price Sale price $26.86 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-010-B-SK-S4 (PK-10)
7 units (70 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.32 AUD
Regular price $4.27 AUD Sale price $2.32 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 7 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-010-B-SK-S4 (PK-10)
7 units (70 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.32 AUD
Regular price $4.27 AUD Sale price $2.32 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

7 units (70 pcs) Available Now. Backorder if more than 7.
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-010-B-SK-C (PK-20)
1 pack (20 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
9.5
mm

(Equiv. 0.374 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 9.5 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-010-B-SK-C (PK-20)
1 pack (20 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.59 AUD
Regular price $4.81 AUD Sale price $2.59 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (20 pcs) Available Now. Backorder if more than 1.
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-013-B-SK-S4 (PK-10)
4 units (40 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.50 AUD
Regular price $4.70 AUD Sale price $2.50 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-013-B-SK-S4 (PK-10)
4 units (40 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.50 AUD
Regular price $4.70 AUD Sale price $2.50 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (40 pcs) Available Now. Backorder if more than 4.
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-013-B-SK-C (PK-20)
11 units (220 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.95 AUD
Regular price $5.45 AUD Sale price $2.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 11 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
12.7
mm

(Equiv. 0.5 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 12.7 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-013-B-SK-C (PK-20)
11 units (220 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $2.95 AUD
Regular price $5.45 AUD Sale price $2.95 AUD
Priced, Stocked and Sold Per 20 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

11 units (220 pcs) Available Now. Backorder if more than 11.
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button 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 - Button - Socket
Part Number: SC028C-016-B-SK-S4 (PK-10)
4 units (40 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 4 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button 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: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-016-B-SK-S4 (PK-10)
4 units (40 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

4 units (40 pcs) Available Now. Backorder if more than 4.
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-016-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $37.59 AUD
Regular price Sale price $37.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
15.9
mm

(Equiv. 0.626 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 15.9 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-016-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $37.59 AUD
Regular price Sale price $37.59 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button 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 - Button - Socket
Part Number: SC028C-019-B-SK-S4 (PK-10)
5 units (50 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 5 available can be backordered.
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - 304 Stainless Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button 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: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-019-B-SK-S4 (PK-10)
5 units (50 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $5.05 AUD
Regular price Sale price $5.05 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

5 units (50 pcs) Available Now. Backorder if more than 5.
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-019-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $42.05 AUD
Regular price Sale price $42.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 19.1 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-019-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $42.05 AUD
Regular price Sale price $42.05 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button 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 - Button - Socket
Part Number: SC028C-025-B-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $63.77 AUD
Regular price Sale price $63.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

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

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
304 Stainless

Max Head Diameter
5.4
mm
Button 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: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-025-B-SK-S4 (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $63.77 AUD
Regular price Sale price $63.77 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 25.4 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 4-40 UNC - 2.85mm - 25.4 mm - Alloy Steel Socket
Material: Steel Alloy    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-025-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $57.41 AUD
Regular price Sale price $57.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 4-40 UNC - 2.85mm - 25.4 mm - Alloy Steel Socket Screw
Thread Size (C)
4-40 UNC (2.85mm)

Thread Length (L)
25.4
mm

(Equiv. 1 in.)
Material
Alloy Steel

Max Head Diameter
5.4
mm
Button Screws - 4-40 UNC - 2.85mm - 25.4 mm - Alloy Steel Socket
Material: Steel Alloy    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Part Number: SC028C-025-B-SK-C (PK-100)
Out of Stock | Backorder Now | Orders can be expected around Fri, Jan 09, 2026
Regular price $57.41 AUD
Regular price Sale price $57.41 AUD
Priced, Stocked and Sold Per 100 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Backorder: Out of Stock.
Button Screws - 2.85mm - 4 Gauge - 19.1 mm - Steel - Zinc Plated Socket Screw
Thread Size (C)
2.85mm (4 Gauge)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Steel - Zinc Plated

Max Head Diameter
5.4
mm
Max Head Height
1.5
mm
Button Screws - 2.85mm - 4 Gauge - 19.1 mm - Steel - Zinc Plated Socket
Material: Zinc Plated Steel    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Deleted Item. Available while stocks last.
Part Number: SCT0285-019-B-SK-CZ-SM (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Button Screws - 2.85mm - 4 Gauge - 19.1 mm - Steel - Zinc Plated Socket Screw
Thread Size (C)
2.85mm (4 Gauge)

Thread Length (L)
19.1
mm

(Equiv. 0.752 in.)
Material
Steel - Zinc Plated

Max Head Diameter
5.4
mm
Button Screws - 2.85mm - 4 Gauge - 19.1 mm - Steel - Zinc Plated Socket
Material: Zinc Plated Steel    Max Head Height: 1.5 mm    Type: 1.59 (1/16)   
Category: Screws - Button - Socket
Deleted Item. Available while stocks last.
Part Number: SCT0285-019-B-SK-CZ-SM (PK-10)
9 units (90 pcs) Available Now | Item Discontinued - Up to 9 may be ordered online. No backorders. Please contact us if you need a larger quantity
Regular price $8.00 AUD
Regular price $15.20 AUD Sale price $8.00 AUD
Priced, Stocked and Sold Per 10 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

9 units (90 pcs) Available Now. These are priced to quit. Please contact us for a quote if you require more.
Button Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)

Thread Length (L)
5
mm

(Equiv. 0.197 in.)
Material
304 Stainless

Max Head Diameter
5.7
mm
Max Head Height
1.7
mm
Button Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Type: 2.00   
Category: Screws - Button - Socket
Part Number: SC030M-005-B-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $1.41 AUD
Regular price $2.54 AUD Sale price $1.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

Larger quantities than the 1 available can be backordered.
Button Screws - M3 - 3x0.5mm - 5 mm - 304 Stainless Socket Screw
Thread Size (C)
M3 (3x0.5mm)

Thread Length (L)
5
mm

(Equiv. 0.197 in.)
Material
304 Stainless

Max Head Diameter
5.7
mm
Button 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 - Button - Socket
Part Number: SC030M-005-B-SK-S4 (PK-50)
1 pack (50 pcs) Available Now | Further orders can be expected around Fri, Jan 09, 2026
Regular price $1.41 AUD
Regular price $2.54 AUD Sale price $1.41 AUD
Priced, Stocked and Sold Per 50 Units
Excludes GST and overseas Taxes & Duties
Quantity Required

1 pack (50 pcs) Available Now. Backorder if more than 1.