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3 3/4 inch length 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
37 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 | |
| BHAM | AL | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 3 3/4 | 1/2-13x3-3/4 a307 hex bolt hdg rsg b18.2.1 | 25 |
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| BHAM | AL | Hex Machine Bolt | Steel | Galvanized | 3/4-10 x 3 3/4 | 3/4-10x3-3/4 a325 hex bolt hdg full th b18.2.1 | 2 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 1-8 x 3 3/4 | 1-8 x 3 3/4 hex bolt stl pln b18.2.1 | 8 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/8-11 x 3 3/4 | 5/8-11 x 3 3/4 hex bolt stl znc b18.2.1 | 12 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 3/4-10 x 3 3/4 | 3/4-10 x 3 3/4 hex bolt stl znc b18.2.1 | 95 |
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| GLF | OH | Hex Machine Bolt | Grade A | Plain | 7/8-9 x 3 3/4 | 7/8-9x3-3/4 hex hd bolt a307 stl pln b18.2.1 () () () | 32 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 7/8-9 x 3 3/4 | 7/8-9x3-3/4 hex hd bolt a307 stl zc b18.2.1 () () () | 27 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 3 3/4 | 1/4-20x3 3/4 hex bolt a307 gr a zn 494016 b18.2.1 | 350 |
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| Cascade | OR | Hex Machine Bolt | Grade B | Zinc/Clear | 1-8 x 3 3/4 | m/b a307 b18.2.1 | 675 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 3/4-10 x 3 3/4 | 3/4-10 x 3 3/4 a193b7 hex bolts plain b18.2.1 | 4 |
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| B & K FAST | PA | Hex Machine Bolt | Grade B7 | Plain | 7/8-9 x 3 3/4 | 7/8-9 x 3 3/4 a193b7 hex bolts plain b18.2.1 | 27 |
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| B & K FAST | PA | Hex Machine Bolt | Grade 2 | Plain | 9/16 x 3 3/4 | 9/16 x 3 3/4 hex blank bolts gr 2 plain b18.2.1 | 121 |
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| Ace Bolt | MS | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 3/4 | 1/2-13 x 3-3/4 nc hex bolt 18-8 ss b18.2.1 | 416 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 2 | Plain | 5/811 x 3 3/4 | bolt hex 5/811x3-3/4 grade 2 b18.2.1 | 35 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 2 | Zinc/Yellow | 7/89 x 3 3/4 | bolt hex 7/89x3-3/4 grade 2 steel zinc plated yellow b18.2.1 | 85 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 3 3/4 | bolt hex 5/1618x3-3/4 grade 5 steel zinc plated rohs compliant b18.2.1 | 200 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 1/2-13 x 3 3/4 | bolt hex 1/213x3-3/4 a307 steel zinc b18.2.1 | 4 |
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| JET FITTING | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 3 3/4 | bolt hex 1/420x3-3/4 steel zinc plated b18.2.1 | 283 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 3 3/4 | a307a h/b hdg b18.2.1 | 52 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 3 3/4 | a307a h/b hdg b18.2.1 | 9 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 3 3/4 | a307a h/b hdg b18.2.1 | 250 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 3 3/4 | a307a h/b hdg b18.2.1 | 40 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 3 3/4 | a307a h/b hdg b18.2.1 domestic | 2 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 3 3/4 | a307a h/b hdg b18.2.1 | 2615 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1-8 x 3 3/4 | a307a h/b hdg b18.2.1 | 1 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 3 3/4 | a307a h/b hdg b18.2.1 | 3 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 3 3/4 | a307a h/b hdg b18.2.1 | 2 |
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| MMF | MI | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 3 3/4 | 1/2-13 x 3-3/4 18-8 hhcs ms16208-113 usa ms16208-113 b18.2.1 | 318 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1-8 x 3 3/4 | 1-8 x 3 3/4 hex bolt s/s b18.2.1 | 3 |
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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 | Grade 5 | Plain | 7/16-14 x 3 3/4 | 7/16-14 x 3 3/4 gr. 5 hex bolt b18.2.1 | 228 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 3/8-24 x 3 3/4 | 3/8-24 x 3 3/4 gr. 8 hex bolt b18.2.1 | 129 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-24 x 3 3/4 | 5/16-24 x 3 3/4 gr. 8 hex bolt b18.2.1 | 49 |
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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 3/4 | 1/4-20 x 3 3/4 hex bolt s/s b18.2.1 | 58 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4-10 x 3 3/4 | 3/4-10 x 3 3/4 hex bolt s/s b18.2.1 | 11 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 7/8-9 x 3 3/4 | 7/8-9 x 3 3/4 gr. 5 hex bolt b18.2.1 | 46 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1-14 x 3 3/4 | 1-14 x 3 3/4 gr. 8 hex bolt b18.2.1 | 21 |
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