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Hex Cap Screws, All ASME Grades of Steel
Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.
No results for ASTM A574, but 200 ASTM A574 items displayed. For ASTM A574, click here.
| Buy Hex Cap Screws from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| SIS | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 7/8-9 x 3 3/4 | 7/8-9x3 3/4 hex cap screw grade 5 steel zinc with nut | 5 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 1 3/4 | gr2 hex c/s b18.2.1 | 9,790 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 2 3/4 | gr2 hex c/s b18.2.1 | 9,334 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 3/8-16 x 1/2 | gr2 hex c/s b18.2.1 | 5,277 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 2 1/4 | gr2 hex c/s b18.2.1 | 3,639 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 2 3/4 | gr2 hex c/s b18.2.1 | 3,710 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 2 | gr2 hex c/s b18.2.1 | 3,506 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 7/8 | gr5 hex c/s b18.2.1 | 3,349 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1 | 1 nf-14x6 gr5 hex c/s b18.2.1 | 3,177 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 5/8 | gr2 hex c/s b18.2.1 | 2,829 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 3/4 | gr2 hex c/s b18.2.1 | 2,565 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3 | gr5 hex c/s b18.2.1 domestic | 2,200 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 1/4-20 x 3 3/4 | gr2 hex c/s b18.2.1 | 2,090 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 3/8-16 x 2 1/4 | gr2 hex c/s b18.2.1 | 1,917 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4 | nf-28x7/8 gr5 hex c/s b18.2.1 | 1,600 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 2 1/2 | gr2 hex c/s b18.2.1 | 1,547 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 3 1/4 | gr2 hex c/s b18.2.1 | 1,555 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Plain | 1-8 x 2 1/2 | gr5 hex c/s b18.2.1 | 1,480 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 3/8-16 x 7/8 | gr5 hex c/s b18.2.1 | 1,478 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 3 1/2 | gr2 hex c/s b18.2.1 | 1,400 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 2 1/4 | gr2 hex c/s b18.2.1 | 1,420 |
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