[3 & 8-16 x 3 10]
[3 & 8-16 x 1-3 & 4 20]
[3 & 8-16 x 1 10]
[3 & 8-16 x 3 & 4 15]
[3 & 8-16 x 1 15]
[3 & 8-16 x 2 10]
[3 & 8-16 x 1 & 2 15]
[3 & 8-16 x 2 15]
[3 & 8-16 x 1-1 & 4 20]
ASME/ANSI B18.3-11
Button head socket cap screws are precision threaded fasteners with an internal socket drive (also called allen hex drive) for installing in areas with limited side clearance. The internal hex drive requires an Allen wrench. They are known for their efficient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling, aircraft and so on.
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#4, #6, #8, #10 Button Head Socket Cap Screws | 1/4-20 Button Head Socket Cap Screws | 5/16-18 Button Head Socket Cap Screws | M3M4M5M6M8M10 Button Head Socket Cap Screws | 1/4, 5/16, 3/8 Button Head Socket Cap Screws | M3M4M5M6M8M10 Button Head Socket Cap Screws | |
Measurement | US Standard | US Standard | US Standard | Metric | US Standard | Metric |
Thread Size | #4-40, #6-32, #10-24, #10-32 | 1/4-20 | 5/16-18 | M3, M4, M5, M6, M8, M10 | 1/4-20, 5/16-18, 3/8-16 | M3, M4, M5, M6, M8, M10 |
Material | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | Alloy Steel | Alloy Steel |
Exterior Finish | Bright Finish | Bright Finish | Bright Finish | Bright Finish | Black Oxide | Black Oxide |
Grade | A2 | A2 | A2 | A2 | 10.9 | 10.9 |
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1/4-20 and other Locknuts | M3 to M20 Hex Lock Nuts | 1/4-20 and other Hex Nuts | M3 to M20 Hex Nuts | 1/4-20 and other size Serrated Flange Hex Nuts | M3 to M20 Serrated Flange Hex Nuts | |
Measurement | US Standard | Metric | US Standard | Metric | US Standard | Metric |
Thread Size | #4-40, #6-32, #10-24, #10-32, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11, 3/4-10 | M3 to M20 | #4-40, #6-32, #10-24, #10-32, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11, 3/4-10 | M3 to M20 | #4-40, #6-32, #10-24, #10-32, 1/4-20, 5/16-18, 3/8-16, 1/2-13, 5/8-11, 3/4-10 | M3 to M20 |
Material | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel |
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Button Head Socket Cap Screws with Locknuts | 1/4 and other size Hex Bolt | 1/4 and other size Hex Bolt & Nuts & Washers | 1/4-20 and other size Carriage Bolt | #8 #10 #12 #14 Hex Washer Head Self Drilling Screws | #4 #6 #8 #10 #12 #14 Flat Head Wood Screws | |
Measurement | US Standard | US Standard | US Standard | US Standard | US Standard | US Standard |
Thread Size | 1/4-20,5/16-18,3/8-16 | 1/4-20,5/16-18,3/8-16,1/2-13 | 1/4-20,5/16-18,3/8-16,1/2-13 | 1/4-20,5/16-18,3/8-16,1/2-13 | #8 #10 #12 #14 | #4 #6 #8 #10 #12 #14 |
Material | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 410 Stainless Steel | 304 Stainless Steel |
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Flat Washer | Flat Washer | Lock Washer | Lock Washer | Button Head Socket Cap Screws with Nut and Washers | Button Head Socket Cap Screws with Nut and Washers | |
Measurement | US Standard | Metric | US Standard | Metric | US Standard | US Standard |
Material | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel |
Size Included | #4,#6,#8,#10,#12,1/4,5/16,3/8,7/16,1/2,9/16,5/8,3/4,7/8,1 | M3 to M20 | #4,#6,#8,#10,#12,1/4,5/16,3/8,7/16,1/2,9/16,5/8,3/4,7/8,1 | M3 to M20 | 1/4-20, 5/16-18, 3/8-16 | 1/4-20 |
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1/4-20 Button Head Socket Cap Screws | 1/4-20 Button Head Socket Cap Screws | M6 Button Head Socket Cap Screws | M6 Button Head Socket Cap Screws | M6 Button Head Socket Cap Screws | M6 Button Head Socket Cap Screws | |
Quantity | 90 pcs | 100 pcs | 50 pcs | 40 pcs | 30 pcs | 25 pcs |
Size Included | 1/4-20 x 1/2,3/4,1,1-1/4,1-1/2 | 1/4-20 x 3/8,1/2,5/8,3/4,1 | M6-1.0 x 12, 16, 20, 25, 30 | M6-1.0 x 20,25,30,35,40 | M6-1.0 x 30, 35, 40,45,50 | M6-1.0 x 40, 45, 50,55,60 |
Material | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel | 304 Stainless Steel |