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5/8 inch length Hex Bolts
Hex Machine Bolts are threaded bolts with a hexagonal head on one end, with no washer face on the bearing surface and a threaded shaft on the other end. Hex bolts are tightened with a wrench and are used to connect metal parts. The body tolerances of hex machine bolts are not as close as those of hex cap screws. Hex machine bolts are covered under ASME Standard B18.2.1
108 results, (click on any line for more information)
| Buy Hex Bolts from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Future Fastener | TX | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20 x 5/8 g8 hex bolt yz | 322 |
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| Future Fastener | TX | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 g8 hex bolt yz | 881 |
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| Future Fastener | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 slotted hex wsh bolt ss | 75 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 18-8 ss fin hex bolt | 184 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 18-8 ss fin hex bolt | 149 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 18-8 ss fin hex bolt | 135 |
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| SunPack | FL | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 1/4-28 x 5/8 | 1/4-28x5/8 316 ss fin hex bolt fine thread | 25 |
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| SunPack | FL | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 1/4-20 x 5/8 | 1/4-20x5/8 316 ss fin hex bolt | 7 |
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| SunPack | FL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16x5/8 gr5 fin hex bolt zinc | 975 |
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| SunPack | FL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 gr5 fin hex bolt zinc | 418 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16x5/8 j429 gr8 fin hex bolt yellow zinc | 39 |
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| Komar | IL | Hex Machine Bolt | Grade B7 | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 a193 b7 hex head bolt |
| |
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 hex hd bolt a307 stl zc b18.2.1 () () () | 100 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 hex hd bolt a307 stl zc b18.2.1 () () () | 1700 |
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| Century | FL | Hex Machine Bolt | Steel | Plain | 5/16-18 x 5/8 | b1821bh031c063n | 618 |
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| Endries | WI | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20x5/8 a307 grade a hex head machine bolt trivalent clear zinc | 7000 |
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| MTP | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | #10-32 x 5/8 18-8 s.s trim hex hd bolts f/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 2 | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 gr.2 plain hex hd bolts | 1,500 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 g5 zn hex hd bolts | 5,537 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-28 x 5/8 | 1/4-28 x 5/8 gr.8 y/zn hex hd bolts f/th | 3,000 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 7/16-20 x 5/8 | 7/16-20 x 5/8 gr.8 y/zn hex hd bolts f/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-24 x 5/8 | 5/16-24 x 5/8 gr.8 y/zn hex hd bolts f/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr.8 y/zn hex hd bolts | 1,800 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16 x 5/8 gr.8 y/zn hex hd bolts f/th | 550 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20x5/8 j429 gr8 fin hex bolt yellow zinc | 24 |
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| Endries | WI | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 a307 grade a hex head machine bolt trivalent clear zinc | 8000 |
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| SunPack | FL | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 316 ss fin hex bolt | 25 |
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| American | NY | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-24 x 5/8 | hex bolt 18-8 304 | 50 |
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| Big Red | OK | Hex Machine Bolt | Grade B8 | Plain | 1/4-20 x 5/8 | 1/4-20 x 5/8 a193 b8 finished hex bolts | 73 |
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| SWACO | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 hex bolt a307 gr a zinc | 90 |
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| Centennia | CO | Hex Machine Bolt | Grade A | Plain | 3/8-16 x 5/8 | 3/8-16 x 5/8 nc a307a hex mach bolt | 1078 |
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| Mansco | MI | Hex Machine Bolt | Steel | Zinc/Black | 1/4-20 x 5/8 | 1/4-20 x 5/8 special inhx bolt blk znc | 3035 |
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| Hodell | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 a307 hex bolt zinc | 1542 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex bolt stl blk ox oil b18.2.1 | 300 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex bolt stl znc b18.2.1 | 4049 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex bolt stl znc b18.2.1 | 430 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex bolt stl znc b18.2.1 | 300 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex bolt stl znc b18.2.1 | 200 |
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| Mansco | MI | Hex Machine Bolt | Steel | Plain | 5/8 x 5/8 x 1 3/8 4 | 5/8x5/8x1-3/8 hhs 4 flat double end end mill 1/box | 4 |
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| Hodell | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18x5/8 a307 hex bolt zinc | 1542 |
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| Komar | IL | Hex Machine Bolt | Grade B7 | Plain | 5/16-18 x 5/8 | 5/16-18x5/8 a193 b7 hex head bolt | 43 |
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| Komar | IL | Hex Machine Bolt | Grade B7 | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 a193 b7 hex bolt | 83 |
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| MFS | KS | Hex Machine Bolt | Brass | Plain | 3/8-16 x 5/8 | hex bolt | 105 |
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| MFS | KS | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | hex bolt | 47 |
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| MFS | KS | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 5/8 | hex bolt | 292 |
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| MFS | KS | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | hex bolt | 92 |
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| MFS | KS | Hex Machine Bolt | Grade 5 | Plain | 5/16-18 x 5/8 | hex bolt | 1693 |
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| MFS | KS | Hex Machine Bolt | Grade 5 | Zinc/Yellow | 5/16-18 x 5/8 | hex bolt | 24 |
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| MFS | KS | Hex Machine Bolt | Grade 2 | Zinc/Yellow | 5/16-18 x 5/8 | hex bolt | 45 |
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| MFS | KS | Hex Machine Bolt | Grade 5 | Plain | 3/8-16 x 5/8 | hex bolt | 438 |
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| MFS | KS | Hex Machine Bolt | Grade 5 | Zinc/Yellow | 3/8-16 x 5/8 | hex bolt | 79 |
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| MFS | KS | Hex Machine Bolt | Grade 2 | Zinc/Clear | 3/8-16 x 5/8 | hex bolt | 604 |
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| MFS | KS | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 5/8 | hex bolt | 592 |
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| MFS | KS | Hex Machine Bolt | Steel | Zinc/Yellow | 1/4-20 x 5/8 | hex bolt | 397 |
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| MFS | KS | Hex Machine Bolt | Steel | Zinc/Yellow | 1/4-28 x 5/8 | hex bolt | 3 |
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| XL Screw | GA | Hex Machine Bolt | Steel | Zinc/Clear | 3/8-16 x 5/8 | hex hd m/b std thrd astm a307 zp | 1,500 |
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| Express | CA | Hex Machine Bolt | Steel | Zinc/Clear | 3/8-16 x 5/8 | 3/8-16x5/8 hex bolt zinc | 222 |
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| Express | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20x5/8 hex bolt grade 8 yellow zinc | 300 |
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| SJS Prod | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | hex bolt ss 1/4-20x5/8 rohs |
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| Empire | WA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4 x 5/8 | 1/4 x 5/8 gr2 hex bolt zp | 4400 |
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| Komar | IL | Hex Machine Bolt | Grade B7 | Plain | 3/8-16 x 5/8 | 3/8-16x5/8 a193 b7 hex bolt | 83 |
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| Komar | IL | Hex Machine Bolt | Grade B7 | Plain | #10-32 x 5/8 | 10-32x5/8 a193 b7 hex bolt | 48 |
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| Purchase | MO | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex bolt steel zinc | 5141 |
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| HBBOLT | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | h/b [304 ss] | 737 |
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| HBBOLT | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | h/b [304 ss] | 738 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20x5/8 j429 gr8 fin hex bolt yellow zinc | 24 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16x5/8 j429 gr8 fin hex bolt yellow zinc | 37 |
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| SunPack | FL | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 5/16-18 x 5/8 | 316 ss fin h/b | 25 |
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| SunPack | FL | Hex Machin e Bolt | 316, 317, A4 Stainless | Plain | 1/4-28 x 5/8 | 316 ss fin h/b | 25 |
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| SunPack | FL | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 1/4-20 x 5/8 | 316 ss fin h/b | 7 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5/8 | 304 ss h/b | 137 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 304 ss h/b | 114 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 304 ss h/b | 149 |
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| SunPack | FL | Hex Machine Bolt | ASTM A449 | Zinc/Clear | 1/4-20 x 5/8 | a449 h/b | 332 |
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| SunPack | FL | Hex Machine Bolt | ASTM A449 | Zinc/Clear | 3/8-16 x 5/8 | a449 h/b | 1,043 |
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| Hodell | OH | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | 10-32x5/8 hex bolt 18-8 s/s | 750 |
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| Hodell | OH | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 5/8 | 10-32x5/8 hex bolt 18-8 s/s | 750 |
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| Hodell | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 a307 hex bolt zinc | 100 |
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| Hodell | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 a307 hex bolt zinc | 100 |
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| Hodell | OH | Hex Machine Bolt | Grade 8 | Black Oxide | 3/8-24 x 5/8 | 3/8-24x5/8 hex hd bolt grade 8 tri/zi/blk | 100 |
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| Hodell | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 5/8 | 1/4-20x5/8 a307 hex bolt zinc | 100 |
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| Hodell | OH | Hex Machine Bolt | Grade 8 | Black Oxide | 3/8-24 x 5/8 | 3/8-24x5/8 hex hd boltgrade 8 tri/zi/blk | 100 |
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| SIS | AZ | Hex Machine Bolt | Steel | Plain | #10-32 x 5/8 | h/b w/black valet coat/fastenal 10455-09988 | 195 |
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| Lippin | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | 1/4-20 x 5/8 hex bolt grade 8 yellow zinc | 2000 |
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| Lippin | CA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 5/8 | hex bolt gr-2 zinc plated | 1339 |
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| Lippin | CA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 5/16-18 x 5/8 | hex bolt gr-2 zinc plated | 8000 |
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| Lippin | CA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 3/8-16 x 5/8 | hex bolt gr-2 zinc plated | 6600 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 5/8 | bolt hex 5/1618x5/8 a307 steel zinc plated b18.2.1 | 346 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | bolt hex 5/1618x5/8 stainless steel b18.2.1 | 100 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | bolt hex 5/1618x5/8 grade 5 steel zinc plated b18.2.1 | 615 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/1624 x 5/8 | bolt hex 5/1624x5/8 stainless steel b18.2.1 | 130 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Yellow | 3/8-24 x 5/8 | bolt hex 3/824x5/8 grade 5 cadmium plated yellow # b18.2.1 | 385 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 5/8 | bolt hex 1/420x5/8 grade 2 steel zinc plated b18.2.1 | 17040 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/4-20 x 5/8 | bolt hex 1/420x5/8 grade 8 steel zinc plated yellow b18.2.1 | 2000 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr.8 y/zn hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/8-16 x 5/8 | 3/8-16 x 5/8 gr.8 y/zn hex hd bolts f/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr.8 y/zn hex hd bolts | stock |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 5/8 | bolt hex 1/428x5/8 stainless steel b18.2.1 | 3918 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 3/8-16 x 5/8 | bolt hex 3/816x5/8 grade 5 steel zinc platedii b18.2.1 | 1900 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/8-24 x 5/8 | 3/8-24 x 5/8 gr.8 y/zn hex hd bolts f/th a bb 100 fb 500 qk 2500 | stock |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr. 8 hex bolt b18.2.1 | 100 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 3/8-16 x 5/8 | 3/8-16 x 5/8 grade 8 hex bolt domestic b18.2.1 | 1,210 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 5/8 | 1/2-13 x 5/8 hex bolt s/s b18.2.1 | 59 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 5/8 | 3/8-16 x 5/8 hex bolt s/s b18.2.1 | 949 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr. 8 hex bolt-domestic b18.2.1 | 1,800 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-24 x 5/8 | 5/16-24 x 5/8 gr. 8 hex bolt b18.2.1 | 3,195 |
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| Lightning | LA | Hex Machine Bolt | Grade B7 | Plain | 5/16-18 x 5/8 | astm a193 b7 h/b | 451 |
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| Lightning | LA | Hex Machine Bolt | Grade B7 | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 5/16-18 x 5/8 | astm a193 b7 h/b teflon blue | 15 |
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