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- Fasteners /
- Screws /
- Socket Head Screws
Product Description



Standard
ASME/ANSI B18.3-11
- #4-40
- #6-32
- #8-32
- #10-24 UNC/#10-32 UNF
- 1/4-20
- 5/16-18
- 3/8-16
- 1/2-13
Button Socket Head Cap Screws
Stainless Steel 304 (18/8)
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.
- For professionals, amateurs, landlords, repairmen and DIYers.
- These screws are available with a variety of head shapes, which determine how the screw interacts with the mating surface, and drive styles.
- Made of Stainless Steel 304 (18-8) which provides good strength and corrosion resistance in bad environments.
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Customer Reviews |
4.6 out of 5 stars 198
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4.8 out of 5 stars 862
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4.7 out of 5 stars 574
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4.7 out of 5 stars 602
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4.5 out of 5 stars 217
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4.6 out of 5 stars 255
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Measurement | US Standard | US Standard | US Standard | Metric | US Standard | Metric |
Thread Size | #4-40, #6-32, #10-24, #10-32 | 5/16-18 | 3/8-16 | 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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Customer Reviews |
4.7 out of 5 stars 1,261
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4.7 out of 5 stars 283
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4.8 out of 5 stars 481
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4.8 out of 5 stars 61
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4.7 out of 5 stars 343
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4.8 out of 5 stars 479
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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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Customer Reviews |
4.4 out of 5 stars 91
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4.7 out of 5 stars 563
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4.7 out of 5 stars 451
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4.2 out of 5 stars 50
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4.5 out of 5 stars 931
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4.6 out of 5 stars 1,053
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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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Customer Reviews |
4.7 out of 5 stars 352
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4.7 out of 5 stars 31
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4.4 out of 5 stars 45
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4.5 out of 5 stars 67
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4.9 out of 5 stars 21
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4.6 out of 5 stars 15
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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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Customer Reviews |
4.6 out of 5 stars 26
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4.7 out of 5 stars 14
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4.6 out of 5 stars 24
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4.6 out of 5 stars 24
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4.6 out of 5 stars 24
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4.6 out of 5 stars 24
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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 |
$9.02 $9.02
$ 3 .99 $3.99
$6.99 $6.99
$ 2 .99 $2.99
$9.99 $9.99
$ 4 .99 $4.99