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3/8 inch length Hex Cap Screws (ASME B18. 2.1)
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.
51 results, (click on any line for more information)
| Buy Hex Cap Screws from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Ababa | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 h/c gr 5 znc b18.2.1 | 400 |
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| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 h/c s/s b18.2.1 | 765 |
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| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 3/8 | 1/4-28 x 3/8 h/c s/s b18.2.1 | 241 |
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| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | 5/16-18 x 3/8 h/c s/s b18.2.1 | 125 |
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| GLF | OH | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20x3/8 hhcs grade 5 stl zc b18.2.1 () () () | 4721 |
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| GLF | OH | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 hhcs 18-8 s/s b18.2.1 () () () | 297 |
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| GLF | OH | Hex Head Cap Screw | Grade 5 | Zinc/Black | 1/4-20 x 3/8 | 1/4-20x3/8 hhcs grade 5 stl ams 2417/astmb841 bzn b18.2.1 () () () | 1622 |
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| GLF | OH | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 3/8 | 1/4-20x3/8 hex cap-full thread-grade 8-zinc yellow-cr6 b18.2.1 () () () | 2411 |
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| GLF | OH | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/8 | 5/16-18x3/8 hhcs grade 5 stl zc b18.2.1 () () () | 200 |
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| Irwin Ind | Ont | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 hex hd cap screw 18-8 304 steel b18.2.1 | 10000 |
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| ASMC | IL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | (ft) coarse hex c/s ss18-8 b18.2.1 | 120 |
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| ASMC | IL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 (ft) unc hex cap screw ss18-8 b18.2.1 | 120 |
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| Ababa | CA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 h/c s/s b18.2.1 | 200 |
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| Field Fas | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/8 | 5/16-18x3/8 hex cap screw grade 5 zc manufactured to asme b18.2.1 and sae j429 specifications | 4,000 |
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| Alma Bolt | MI | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 X 3/8 GRADE 5 HCS ZP b18.2.1 | 790 |
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| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | hex c/s SAE j429 zp asme b18.2.1 | 4,000 |
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| XL Screw | GA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/8 | hex c/s SAE j429 zp asme b18.2.1 | 2,500 |
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| Exim | S'pore | Hex Head Cap Screw | Brass | Nickel | #8-32 x 3/8 | screw hex c/s headbrass nickel# 8-32 x 3/8 in b18.2.1 | 9777 |
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| Exim | S'pore | Hex Head Cap Screw | Steel | Zinc/Clear | #8-32 x 3/8 | screw hex c/s headsteel clear zn#8-32 x 3/8 in b18.2.1 | 41421 |
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| Exim | S'pore | Hex Head Cap Screw | Steel | Zinc/Clear | #10-32 x 3/8 | screw hex c/s headsteel clear zinc# 10-32 x 3/8 in b18.2.1 | 2849 |
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| Exim | S'pore | Hex Head Cap Screw | Steel | Zinc/Clear | #1/4-20 x 3/8 | screw hex c/s head (large head)steel blue zn#1/4-20 x 3/8 in ansi std b18.2.1 | 5466 |
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| Exim | S'pore | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | #1/4-20 x 3/8 | screw hex c/s heads/s passivated# 1/4-20 x 3/8 in b18.2.1 | 2134 |
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| JET FITTING | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20x3/8 hex cap sc grade 5 stl zn 847001 b18.2.1 | 1700 |
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| Standard | MA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #6-32 x 3/8 | 6-32x3/8 hex cap screw 18-8 stainless steel b18.2.1 | 46850 |
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| Standard | MA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | 8-32x3/8 hex cap screw 18-8 stainless steel b18.2.1 | 14734 |
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| Standard | MA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/8 | 10-24x3/8 hex cap screw 18-8 stainless steel b18.2.1 | 9297 |
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| Standard | MA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 hex cap screw 18-8 stainless steel b18.2.1 | 56700 |
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| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 hex c/s 18-8 b18.2.1 | 163 |
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| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20x3/8 hex c/s 18-8 b18.2.1 | 3770 |
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| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 3/8 | 3/8-16x3/8 hex c/s 18-8 b18.2.1 | 7 |
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| QFC | TX | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #8-32 x 3/8 | 8-32x3/8 hex c/s 18-8 b18.2.1 | 66 |
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| QFC | TX | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20x3/8 hex c/s gr2 zinc b18.2.1 | 2500 |
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| QFC | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20x3/8 hex c/s gr5 zinc b18.2.1 | 1000 |
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| B & K FAST | PA | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 1/4-20 x 3/8 | 1/4-20 x 3/8 hex cap screws gr 8 z yellow b18.2.1 | 443 |
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| B & K FAST | PA | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 hex cap screws 18-8 stainless b18.2.1 | 3210 |
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| OSSCO | RI | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20x3/8 hex cap screw grade 5 plated b18.2.1 | 624 |
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| Bostwick | IN | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 hex cap screw brass b18.2.1 | 427 |
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| Bostwick | IN | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | 5/16-18 x 3/8 hex cap screw 18-8 stainless b18.2.1 | 57 |
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| Pac Fas | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 hex cap screw grade 5 (sae j429) coarse zinc usa /canada b18.2.1 | 3700 |
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| Pac Fas | TX | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 hex cap screw grade 5 (sae j429) coarse zinc (import) b18.2.1 | 3300 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 3/8 | gr2 hex c/s b18.2.1 | 1,096 |
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| THRDFAST | FL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 3/8 | gr2 hex c/s b18.2.1 | 376 |
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| THRDFAST | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 3/8 | 18-8 ss hex c/s b18.2.1 | 315 |
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| THRDFAST | FL | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 3/8 | hex c/s b18.2.1 | 300 |
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| THRDFAST | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | 18-8 ss hex c/s b18.2.1 | 23 |
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| THRDFAST | OK | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-20 x 3/8 | gr5 hex c/s b18.2.1 | 67 |
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| THRDFAST | OK | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3/8 | 18-8 ss hex c/s b18.2.1 | 50 |
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| THRDFAST | AL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/8 | 18-8 ss hex c/s b18.2.1 | 3 |
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| THRDFAST | AL | Hex Head Cap Screw | Brass | Plain | 1/4-20 x 3/8 | hex c/s b18.2.1 | 57 |
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| WSB | KY | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 1/4-28 x 3/8 | screw hcs gr5 (zt) 1/4-28x3/8 b18.2.1 | 4,594 |
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| Davis | IL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 1/4-20 x 3/8 | 1/4-20 x 3/8 grade 2 hex cap screw-steel zinc b18.2.1 | 600 |
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