Collection: Screws - Button - Socket - Stainless - 304

225 Products in this selection
  • UNC - UNF - METRIC.
  • Imperial Sizes to ANSI B18.3.
  • Metric Sizes to DIN7380.
Additional resources:
PDF Screws Catalogue
Washers
Nuts
A more concise listing may be found on the Smallparts store at Screws - Button - Socket - Stainless - 304. Smallparts promote the most popular MBA products.
Thread Size (C) Thread Length (L) Material Max Head Diameter Max Head Height Indicative
Image
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Max Head Height
6.7
mm
Button Screws - 1/2-13 UNC -12.7mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-051-B-SK-S4 (5 Pcs) Button Screws - 1/2-13 UNC -12.7mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $21.14 AUD
Regular price Sale price $21.14 AUD
Per 5
Thread Size (C) Thread Length (L) Material Max Head Diameter Indicative
Image
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Button Screws - 1/2-13 UNC -12.7mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.7 mm    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-051-B-SK-S4 (5 Pcs) Button Screws - 1/2-13 UNC -12.7mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $21.14 AUD
Regular price Sale price $21.14 AUD
Per 5
View the product page first if you are unsure.
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
63.5
mm

(2.5 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Max Head Height
6.7
mm
Button Screws - 1/2-13 UNC -12.7mm- 63.5 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-064-B-SK-S4 (25 Pcs) Button Screws - 1/2-13 UNC -12.7mm- 63.5 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $75.05 AUD
Regular price Sale price $75.05 AUD
Per 25
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
63.5
mm

(2.5 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Button Screws - 1/2-13 UNC -12.7mm- 63.5 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.7 mm    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-064-B-SK-S4 (25 Pcs) Button Screws - 1/2-13 UNC -12.7mm- 63.5 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $75.05 AUD
Regular price Sale price $75.05 AUD
Per 25
View the product page first if you are unsure.
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
76.2
mm

(3 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Max Head Height
6.7
mm
Button Screws - 1/2-13 UNC -12.7mm- 76.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-076-B-SK-S4 Button Screws - 1/2-13 UNC -12.7mm- 76.2 mm - 304 Stainless
23 Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
Thread Size (C)
1/2-13 UNC (12.7mm)
Thread Length (L)
76.2
mm

(3 in.)
Material
304 Stainless
Max Head Diameter
22.2
mm
Button Screws - 1/2-13 UNC -12.7mm- 76.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 6.7 mm    Hex Key (D): 7.94 (5/16) mm    Pitch: 1.954 mm    Threads Per Inch: 13 TPI   
Part Number: SC127C-076-B-SK-S4 Button Screws - 1/2-13 UNC -12.7mm- 76.2 mm - 304 Stainless
23 Available Immediately | Further orders can be expected around Fri, Jul 11, 2025
Regular price $4.86 AUD
Regular price Sale price $4.86 AUD
Each
View the product page first if you are unsure.
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Max Head Height
8.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-051-B-SK-S4 (50 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $430.32 AUD
Regular price Sale price $430.32 AUD
Per 50
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
50.8
mm

(2 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 50.8 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.4 mm    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-051-B-SK-S4 (50 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 50.8 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $430.32 AUD
Regular price Sale price $430.32 AUD
Per 50
View the product page first if you are unsure.
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
63.5
mm

(2.5 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Max Head Height
8.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 63.5 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-064-B-SK-S4 (25 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 63.5 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $263.05 AUD
Regular price Sale price $263.05 AUD
Per 25
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
63.5
mm

(2.5 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 63.5 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.4 mm    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-064-B-SK-S4 (25 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 63.5 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $263.05 AUD
Regular price Sale price $263.05 AUD
Per 25
View the product page first if you are unsure.
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
76.2
mm

(3 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Max Head Height
8.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 76.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-076-B-SK-S4 (25 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 76.2 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $307.05 AUD
Regular price Sale price $307.05 AUD
Per 25
Thread Size (C)
5/8-11 UNC (15.88mm)
Thread Length (L)
76.2
mm

(3 in.)
Material
304 Stainless
Max Head Diameter
25.4
mm
Button Screws - 5/8-11 UNC -15.88mm- 76.2 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.4 mm    Hex Key (D): 9.53 (3/8) mm    Pitch: 2.309 mm    Threads Per Inch: 11 TPI   
Part Number: SC159C-076-B-SK-S4 (25 Pcs) Button Screws - 5/8-11 UNC -15.88mm- 76.2 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $307.05 AUD
Regular price Sale price $307.05 AUD
Per 25
View the product page first if you are unsure.
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
50
mm

(1.969 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Max Head Height
8.6
mm
Button Screws - M16 -16x2mm- 50 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-050-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 50 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $171.14 AUD
Regular price Sale price $171.14 AUD
Per 25
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
50
mm

(1.969 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Button Screws - M16 -16x2mm- 50 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.6 mm    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-050-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 50 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $171.14 AUD
Regular price Sale price $171.14 AUD
Per 25
View the product page first if you are unsure.
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
60
mm

(2.362 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Max Head Height
8.6
mm
Button Screws - M16 -16x2mm- 60 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-060-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 60 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $247.23 AUD
Regular price Sale price $247.23 AUD
Per 25
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
60
mm

(2.362 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Button Screws - M16 -16x2mm- 60 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.6 mm    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-060-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 60 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $247.23 AUD
Regular price Sale price $247.23 AUD
Per 25
View the product page first if you are unsure.
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
80
mm

(3.15 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Max Head Height
8.6
mm
Button Screws - M16 -16x2mm- 80 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-080-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 80 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $301.86 AUD
Regular price Sale price $301.86 AUD
Per 25
Thread Size (C)
M16 (16x2mm)
Thread Length (L)
80
mm

(3.15 in.)
Material
304 Stainless
Max Head Diameter
28.0
mm
Button Screws - M16 -16x2mm- 80 mm - 304 Stainless
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Max Head Height: 8.6 mm    Hex Key (D): 10.00 mm    Pitch: 2.000 mm    Threads Per Inch: 12.7 TPI   
Part Number: SC160M-080-B-SK-S4 (25 Pcs) Button Screws - M16 -16x2mm- 80 mm - 304 Stainless
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 11, 2025
Regular price $301.86 AUD
Regular price Sale price $301.86 AUD
Per 25
View the product page first if you are unsure.