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1/4 Hex Bolts (ASME B18. 2.1)
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
161 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 | |
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 1 | 1/4-20x1 hex hd bolt a307 stl zc b18.2.1 () () () | 887 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20x1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 2155 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/2 | 1/4-20x1-1/2 hex hd bolt a307 stl hdg b18.2.1 () () () | 2410 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 1 1/2 | 1/4-20x1-1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 3229 |
|
| 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 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 4 1/2 | 1/4-20x4-1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 70 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 hex hd bolt a307 stl zc b18.2.1 () () () | 13018 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 2 1/2 | 1/4-20x2-1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 1150 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 2 3/4 | 1/4-20x2-3/4 hex hd bolt a307 stl zc b18.2.1 () () () | 500 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 3 | 1/4-20x3 hex hd bolt a307 stl zc b18.2.1 () () () | 71 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 3/4 | 1/4-20x3/4 hex hd bolt a307 stl zc b18.2.1 () () () | 1595 |
|
| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1/2 | bolt AN4H3A b18.2.1 () () () | 29 |
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| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 | 1/4-20x1 hex hd bolt a307 hdg b18.2.1 () | 140 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/4 | 1/4-20x1-1/4 hex hd bolt a307 stl hdg b18.2.1 () | 2700 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 2 | 1/4-20x2 hex hd bolt a307 stl zc b18.2.1 () () () | 363 |
|
| BHAM | AL | Hex Machine Bolt | Steel | Plain | 1/4 x 4 | 1/4x4 hex thread hs bolt b18.2.1 | 44 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 3/4 | 1/4-20x3/4 hex hd bolt a307 stl hdg b18.2.1 () () () | 3350 |
|
| GLF | OH | Hex Machine Bolt | Grade B8M | Plain | 1/4-10 x 1 | 1/4-10x1 fin hex hd bolt gr b-8m s/s b18.2.1 () () () | 99 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 29/32 | bolt AN4-7A b18.2.1 () () () | 892 |
|
| GLF | OH | Hex Machine Bolt | 400 Stainless (405, 410,416,420,430 etc.) | Plain | 1/4-28 x 25/32 | bolt 410ss AN4C6A b18.2.1 () () () | 100 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1 1/32 | 1/4-28x1-1/32 steel hex bolt 9/16 grip und AN4-10A b18.2.1 () () () | 1677 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 25/32 | 1/4-28x25/32 (5/16 grip) hex/bolt undrilled AN4-6A b18.2.1 () () () | 2541 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 21/32 | bolt AN4-5A b18.2.1 () () () | 199 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 3 1/4 | 1/4-20x3-1/4 hex hd bolt a307 stl zc b18.2.1 () () () | 437 |
|
| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/4-28 x 1 9/32 | an4-12a b18.2.1 () () () | 3045 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1 3/8 | 1/4-20 x 1.375 hex joint connect r bolt al-2000 blk b18.2.1 | 3652 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1 1/278 | 1/4-20 x 1.578 hex joint connector bolt blk ox b18.2.1 | 2450 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1.772 | 1/4-20 x 1.772 hex joint connector bolt blk ox b18.2.1 | 868 |
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| Ababa | CA | Hex Machine Bolt | Steel | Black Oxide | 1/4-20 x 1.969 | 1/4-20 x 1.969 hex joint connector bolt blk ox b18.2.1 | 700 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 | 1/4-20 x 1 hex bolt stl hdg b18.2.1 | 2973 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 1 | 1/4-20 x 1 hex bolt stl znc b18.2.1 | 940 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 hex bolt stl znc b18.2.1 | 1773 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 hex bolt stl hdg b18.2.1 | 900 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 1 1/2 | 1/4-20 x 1 1/2 hex bolt stl znc b18.2.1 | 1785 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 1 3/4 | 1/4-20 x 1 3/4 hex bolt stl znc b18.2.1 | 1623 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 2 | 1/4-20 x 2 hex bolt stl hdg b18.2.1 | 700 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 2 | 1/4-20 x 2 hex bolt stl znc b18.2.1 | 1335 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 hex bolt stl hdg b18.2.1 | 100 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 hex bolt stl znc b18.2.1 | 671 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 2 1/2 | 1/4-20 x 2 1/2 hex bolt stl hdg b18.2.1 | 74 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 2 1/2 | 1/4-20 x 2 1/2 hex bolt stl znc b18.2.1 | 1855 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 3 | 1/4-20 x 3 hex bolt stl znc b18.2.1 | 1000 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 3 1/2 | 1/4-20 x 3 1/2 hex bolt stl znc b18.2.1 | 821 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 6 | 1/4-20 x 6 hex bolt stl znc b18.2.1 | 625 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 4 | 1/4-20 x 4 hex bolt stl znc b18.2.1 | 1734 |
|
| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 3 1/2 | 1/4-20 x 3 1/2 hex hd blt gr2 zp b18.2.1 | 4025 |
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| Alma Bolt | MI | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 6 | 1/4-20 x 6 hex hd blt gr2 zp b18.2.1 | 590 |
|
| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 1/2 | 1/4-20 x 1/2 astm a307 grade a zinc finish hex bolt b18.2.1 | 1925 |
|
| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 2 1/4 | 1/4-20 x 2-1/4 astm a307 grade a zinc finish hex bolt b18.2.1 | 500 |
|
| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 4 | 1/4-20x4 machine bolt galvanized b18.2.1 | 2393 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 7 | 1/4-20x7 machine bolt galvanized b18.2.1 | 97 |
|
| QFC | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 | 1/4-20x1 hex hd bolt 18-8 s/s b18.2.1 | 6 |
|
| QFC | TX | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 1/4 | 1/4-20x1 1/4 hex machine bolt hdg b18.2.1 | 50 |
|
| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/2 | 1/4-20x1 1/2 hex head bolt a307 hdg b18.2.1 | 1900 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 3/4 | 1/4-20x1 3/4 hex head bolt a307 hdg b18.2.1 | 611 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 | 1/4-20x2 hex head bolt a307 hdg b18.2.1 | 22 |
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| QFC | TX | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 4 | 1/4-20x4 hex machine bolt galvanized b18.2.1 | 39 |
|
| QFC | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1/2 | 1/4-20x1/2 hex bolt 18-8 s/s steel green dye waxed b18.2.1 | 39 |
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| QFC | TX | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 6 1/2 | 1/4-20x6 1/2 hex head bolt a307 zinc b18.2.1 | 90 |
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| QFC | TX | Hex Machine Bolt | Grade 2 | Galvanized | 1/4-20 x 1 | 1/4-20x1 hex bolt grade 2 hdg domestic b18.2.1 | 45 |
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| B & K FAST | PA | Hex Machine Bolt | Steel | Plain | 1/4-20 x 3 | 1/4-20 x 3 nylon hex bolts b18.2.1 | 1200 |
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| General F | MI | Hex Machine Bolt | Steel | Plain | 1/4-20 x 0.685 | 1/4-20 x 0.685/0.635 hwh machine bolt b18.2.1 | 39800 |
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| BHAM | TX | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 1/4 | 1/4-20x1 1/4 hex bolt hdg b18.2.1 | 23 |
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| QFC | TX | Hex Machine Bolt | Grade A | Plain | 1/4-20 x 1 | 1/4-20 x 1 hex machine bolt a307 plain b18.2.1 | 36 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 | 1/4-20 x 1 hex machine bolt a307 hdg b18.2.1 | 232 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 hex hd bolt a307 hdg b18.2.1 | 35 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1/2 | 1/4-20 x 1/2 hex head bolt a307 hdg b18.2.1 | 192 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/2 | a307a h/b hdg b18.2.1 | 9,082 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 3 1/2 | a307a h/b hdg b18.2.1 | 454 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 4 1/2 | a307a h/b hdg b18.2.1 | 442 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 3/4 | a307a h/b hdg b18.2.1 | 93 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 5 1/2 | a307a h/b hdg b18.2.1 | 45 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/4 | a307a h/b hdg b18.2.1 | 61 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/2 | a307a h/b hdg b18.2.1 | 92 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 6 | a307a h/b hdg b18.2.1 | 4 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 | a307a h/b hdg b18.2.1 | 21 |
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| THRDFAST | TN | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/2 | a307a h/b hdg b18.2.1 | 50 |
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| THRDFAST | TN | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 | a307a h/b hdg b18.2.1 | 48 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/4 | a307a h/b hdg b18.2.1 | 926 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 3 1/2 | a307a h/b hdg b18.2.1 | 754 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/4 | a307a h/b hdg b18.2.1 domestic | 8 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1 1/2 | a307a h/b hdg b18.2.1 domestic | 5 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 1/2 | a307a h/b hdg b18.2.1 | 826 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1/2 | a307a h/b hdg b18.2.1 | 100 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 4 1/2 | a307a h/b hdg b18.2.1 | 50 |
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| KBS | TN | Hex Machine Bolt | Grade 5 | Plain | 1/4 x 3 | 1/4 x 3 hex bolt anchor gr 5 b18.2.1 | 500 |
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| KBS | TN | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/4-20 x 1 3/4 | 1/4-20 x 1 3/4 hex bolt 307a orgr2 pltd b18.2.1 | 12,755 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 1/2 | a307a h/b hdg b18.2.1 | 169 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 6 | a307a h/b hdg b18.2.1 | 173 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 2 3/4 | a307a h/b hdg b18.2.1 | 1222 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 3 | a307a h/b hdg b18.2.1 | 22 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 4 | a307a h/b hdg b18.2.1 | 81 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1/4-20 x 5 | a307a h/b hdg b18.2.1 | 299 |
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| WSB | KY | Hex Machine Bolt | Grade 8 | Plain | 1/4-20 x 1/2 | blt hex place gr8 (pl) 1/4-20x1/2 b18.2.1 | 27,225 |
|
| MMF | MI | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 1 1/2 | 1/4-20 x 1-1/2 304 hhcs ms16208-9 usa ms16208-9 b18.2.1 | 775 |
|
| Coburn Myers Fastening Systems | PA | Hex Machine Bolt | Grade A | Zinc/Black | 1/4-20 x 3/4 | hex bolt a307-a black zinc b18.2.1 | 12750 |
|
| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 8 | 1/4-20 x 8 gr. 5 hex bolt b18.2.1 | 781 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-20 x 2 1/2 | 1/4-20 x 2 1/2 gr. 8 hex bolt domestic b18.2.1 | 1,070 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 3 3/4 | 1/4-20 x 3 3/4 gr. 5 hex bolt b18.2.1 | 591 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 3 1/4 | 1/4-20 x 3 1/4 hex bolt s/s b18.2.1 | 278 |
|
| All Size | TX | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 1/4 | 1/4-20 x 1 1/4 hex bolt galv b18.2.1 | 55 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-28 x 3/4 | 1/4-28 x 3/4 hex bolt s/s b18.2.1 | 1,123 |
|
| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-28 x 4 | 1/4-28 x 4 gr. 8 hex bolt b18.2.1 | 451 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 5 1/2 | 1/4-20 x 5 1/2 gr. 5 hex bolt b18.2.1 | 1,037 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-20 x 3 | 1/4-20 x 3 gr. 8 hex bolt domestic b18.2.1 | 271 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 5 | 1/4-20 x 5 hex bolt s/s b18.2.1 | 52 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 3 1/4 | 1/4-20 x 3 1/4 gr. 5 hex bolt b18.2.1 | 105 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-20 x 3 1/2 | 1/4-20 x 3 1/2 gr. 8 hex bolt domestic b18.2.1 | 590 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 7/8 | 1/4-20 x 7/8 hex bolt s/s b18.2.1 | 7 |
|
| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 3/4 | 1/4-20 x 2 3/4 hex bolt s/s b18.2.1 | 14 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-20 x 3/8 | 1/4-20 x 3/8 gr. 8 hex bolt b18.2.1 | 1,561 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 gr. 5 hex bolt b18.2.1 | 57 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 5 | 1/4-20 x 5 gr. 5 hex bolt b18.2.1 | 148 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/4-20 x 6 1/2 | 1/4-20 x 6 1/2 gr. 5 hex bolt b18.2.1 | 304 |
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| All Size | TX | Hex Machine Bolt | Steel | Galvanized | 1/4-20 x 1 | 1/4-20 x 1 hex bolt galv b18.2.1 | 880 |
|
| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-28 x 2 3/4 | 1/4-28 x 2 3/4 gr. 8 hex bolt b18.2.1 | 115 |
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