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4 1/2 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
101 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 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 | Galvanized | 3/8-16 x 4 1/2 | 3/8-16x4-1/2 hex hd bolt a307 stl hdg b18.2.1 () () () | 29 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Plain | 3/4-10 x 4 1/2 | 3/4-10x4-1/2 hex hd bolt a307 stl pln b18.2.1 () () () | 40 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 4 1/2 | 1/2-13x4-1/2 hex hd bolt a307 stl hdg b18.2.1 () () () | 5 |
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| BHAM | AL | Hex Machine Bolt | Grade A | Plain | 1-8 x 4 1/2 | 1-8 x 4 1/2 hex bolt a307a b18.2.1 | 6 |
|
| BHAM | AL | Hex Machine Bolt | Steel | Plain | 1 1/2-6 x 4 1/2 | 1 1/2-6x4 1/2 hex bolt b18.2.1 | 60 |
|
| BHAM | AL | Hex Machine Bolt | Grade A | Zinc/Clear | 7/8-9 x 4 1/2 | 7/8-9x4 1/2 hex bolt a307 zn b18.2.1 | 11 |
|
| BHAM | AL | Hex Machine Bolt | Grade B | Plain | 3/4-10 x 4 1/2 | 3/4-10x4 1/2 hvy hex bolt a307 gr b b18.2.1 | 360 |
|
| BHAM | AL | Hex Machine Bolt | Steel | Galvanized | 1 1/8-7 x 4 1/2 | 1 1/8-7x4 1/2 a325 hvy bolt ft hdg b18.2.1 | 23 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 3/4-10 x 4 1/2 | 3/4-10x4-1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 80 |
|
| GLF | OH | Hex Machine Bolt | Grade A | Plain | 1-8 x 4 1/2 | 1-8x4-1/2 hex hd bolt a307 stl pln b18.2.1 () () () | 8 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1-8 x 4 1/2 | 1-8 x 4 1/2 hex bolt stl znc b18.2.1 | 40 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 hex bolt stl znc b18.2.1 | 907 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 hex bolt stl hdg b18.2.1 | 397 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 hex bolt stl znc b18.2.1 | 312 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 hex bolt stl hdg b18.2.1 | 300 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 hex bolt stl znc b18.2.1 | 625 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 hex bolt stl hdg b18.2.1 | 396 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 hex bolt stl znc b18.2.1 | 246 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 hex bolt stl hdg b18.2.1 | 65 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 hex bolt stl pln b18.2.1 | 40 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 hex bolt stl znc b18.2.1 | 56 |
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| Ababa | CA | Hex Machine Bolt | Steel | Plain | 3/4-10 x 4 1/2 | 3/4-10 x 4 1/2 hex bolt stl pln b18.2.1 | 10 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 3/4-10 x 4 1/2 | 3/4-10 x 4 1/2 hex bolt stl znc b18.2.1 | 47 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 hex bolt stl znc b18.2.1 | 41 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 1/4-20 x 4 1/2 | 1/4-20 x 4 1/2 hex bolt stl znc b18.2.1 | 300 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 hex bolt stl hdg b18.2.1 | 300 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 hex bolt stl znc b18.2.1 | 150 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 hex bolt stl hdg b18.2.1 | 150 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 hex bolt stl znc b18.2.1 | 100 |
|
| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 1/2-13 x 4 1/2 | 1/2-13 x 4 1/2 hex bolt stl hdg b18.2.1 | 50 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 astm a307 grade a zinc finish hex bolt b18.2.1 | 175 |
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| Wink Fast | VA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 7/8-9 x 4 1/2 | 316l ss (s31603) hex bolt 7/8-9x4-1/2 per asme b18.2.1 | 7 |
|
| Wink Fast | VA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 3/4-10 x 4 1/2 | 316l stainless steel (s31603) hex bolt 3/4-10x4-1/2 per asme b18.2.1 | 20 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 4 1/2 | 3/8-16x4 1/2 hex bolt a307 gr a hdg 495042 b18.2.1 | 50 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18x4 1/2 hex bolt a307 gr a zn 494039 b18.2.1 | 200 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16x4 1/2 hex bolt a307 gr a zn 494060 b18.2.1 | 86 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 4 1/2 | 5/8-11x4 1/2 hex bolt a307 gr a hdg 495092 b18.2.1 | 5 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 4 1/2 | 1/2-13x4 1/2 hex bolt a307 gr a hdg 495063 b18.2.1 | 25 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 1/2-13 x 4 1/2 | 1/2-13x4 1/2 hex bolt a307 gr a zn 494096 b18.2.1 | 110 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 4 1/2 | 1/4-20x4 1/2 hex bolt a307 gr a zn 494018 b18.2.1 | 700 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/8-11 x 4 1/2 | 5/8-11x4-1/2 machine bolt galvanized b18.2.1 | 24 |
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| QFC | TX | Hex Machine Bolt | Grade 5 | Galvanized | 3/8 x 4 1/2 | .375x4.50 grade 5 hdg hex bolt nut&lw b18.2.1 | 2 |
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| QFC | TX | Hex Machine Bolt | Steel | Zinc/Clear | 1 1/4-7 x 4 1/2 | 1 1/4-7x4 1/2 hex bolt zinc b18.2.1 | 16 |
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| BHAM | GA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 3/4-10 x 4 1/2 | 3/4-10x4 1/2 316 fin hex bolt b18.2.1 | 1200 |
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| BHAM | GA | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/8-11 x 4 1/2 | 5/8-11x4 1/2 hastelloy c276 hex bolt-ft b18.2.1 | 33 |
|
| BHAM | GA | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1-8 x 4 1/2 | 1-8x4 1/2 hastelloy c276 hex bolt-ft b18.2.1 | 18 |
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| BHAM | GA | Hex Machine Bolt | Grade B | Plain | 1 1/8-8 x 4 1/2 | 1 1/8-8x4 1/2 a193 grade b16 hex bolt b18.2.1 | 81 |
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| BHAM | GA | Hex Machine Bolt | Grade B | Plain | 1-8 x 4 1/2 | 1-8x4 1/2 a307b hex bolt b18.2.1 | 900 |
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| QFC | TX | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 hex bolt gr a307 zinc b18.2.1 | 660 |
|
| QFC | TX | Hex Machine Bolt | Steel | Galvanized | 5/8-11 x 4 1/2 | 5/8-11 x 4 1/2 hex machine bolt hdg b18.2.1 | 56 |
|
| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 4 1/2 | bolt hex 5/16-18x4-1/2 steel a307 zinc plated b18.2.1 | 300 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | bolt hex 3/816x4 1/2 a307 steel zinc plated b18.2.1 | 584 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-13 x 4 1/2 | bolt hex 1/213x4-1/2 grade 5 steel zinc plated b18.2.1 | 55 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-13 x 4 1/2 | bolt hex 1/213x4-1/2 grade 5 steel zinc plated b18.2.1 | 25 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 4 1/2 | bolt hex 1/420x4-1/2 a307 steel zinc plated b18.2.1 | 75 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 4 1/2 | 3/8-16x4-1/2 (pt) hex bolt steel a307 hot dip galvanized b18.2.1 | 300 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 4 1/2 | 1/2-13x4-1/2 (pt) hex bolt steel a307 hot dip galvanized b18.2.1 | 150 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 1/4-20 x 4 1/2 | 1/4-20 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 24.5 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 1.6 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 3/8-16 x 4 1/2 | 3/8-16 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 12.9 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 1/2-13 x 4 1/2 | 1/2-13 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 4.32 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 5/8-11 x 4 1/2 | 5/8-11 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 2.3 |
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| NBS | IL | Hex Machine Bolt | Grade A | Zinc/Clear | 3/4-10 x 4 1/2 | 3/4-10 x 4-1/2 307a hex machine bolt zinc b18.2.1 | 1.84 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 3/4-10 x 4 1/2 | bolt hex 3/410x4-1/2 grade 8 steel zinc plated yellow b18.2.1 | 30 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-14 x 4 1/2 | bolt hex 7/814x4-1/2 stainless steel b18.2.1 | 15 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 2 | Zinc/Clear | 1/2-13 x 4 1/2 | bolt hex 1/213x4-1/2 grade 2 steel zinc plated b18.2.1 | 4 |
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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 | 1-8 x 4 1/2 | a307a h/b hdg b18.2.1 | 68 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 1 1/8-7 x 4 1/2 | a307a h/b hdg b18.2.1 | 8 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 4 1/2 | a307a h/b hdg b18.2.1 | 9 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1 1/2-6 x 4 1/2 | a307a h/b hdg b18.2.1 | 5 |
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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 2 | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 hex bolt 307a orgr2 b18.2.1 | 420 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 3/8-16 x 4 1/2 | a307a h/b hdg b18.2.1 | 1110 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1/2-13 x 4 1/2 | a307a h/b hdg b18.2.1 | 7952 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 4 1/2 | a307a h/b hdg b18.2.1 | 8000 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 4 1/2 | a307a h/b hdg b18.2.1 | 1580 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 4 1/2 | a307a h/b hdg b18.2.1 | 1032 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 1 1/8-7 x 4 1/2 | a307a h/b hdg b18.2.1 | 25 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 5/8-11 x 4 1/2 | a307a h/b hdg domestic b18.2.1 | 1 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 4 1/2 | a307a h/b hdg b18.2.1 | 101 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 7/8-9 x 4 1/2 | a307a h/b hdg b18.2.1 | 6 |
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| THRDFAST | OK | Hex Machine Bolt | Grade A | Galvanized | 3/4-10 x 4 1/2 | a307a h/b hdg b18.2.1 | 9 |
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| All Size | TX | Hex Machine Bolt | Grade B | Plain | 1 1/8-8 x 4 1/2 | 1 1/8-8 x 4 1/2 hex bolt gr. b7 plain b18.2.1 | 19 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 7/16-20 x 4 1/2 | 7/16-20 x 4 1/2 gr. 5 hex bolt b18.2.1 | 25 |
|
| All Size | TX | Hex Machine Bolt | Grade 2 | Plain | 3/8-16 x 4 1/2 | 3/8-16 x 4 1/2 grade 2 hex bolt b18.2.1 | 242 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1 1/4-7 x 4 1/2 | 1 1/4-7 x 4 1/2 gr. 5 hex bolt b18.2.1 | 32 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 2-4 1/2 x 4 1/2 | 2-4.5 x 4 1/2 gr. 8 hex bolt b18.2.1 | 4 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1 1/4-7 x 4 1/2 | 1 1/4-7 x 4 1/2 gr. 8 hex bolt plain b18.2.1 | 9 |
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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 |
|
| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 7/16-14 x 4 1/2 | 7/16-14 x 4 1/2 gr. 5 hex bolt b18.2.1 | 125 |
|
| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1 1/8-7 x 4 1/2 | 1 1/8-7 x 4 1/2 gr. 8 hex bolt plain b18.2.1 | 10 |
|
| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 9/16-12 x 4 1/2 | 9/16-12 x 4 1/2 gr. 5 hex bolt b18.2.1 | 178 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 3/4-10 x 4 1/2 | 3/4-10 x 4 1/2 gr. 8 hex bolt w/ 1/8 drilled hole in head b18.2.1 | 144 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/16-14 x 4 1/2 | 7/16-14 x 4 1/2 hex bolt s/s b18.2.1 | 87 |
|
| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 7/8-9 x 4 1/2 | 7/8-9 x 4 1/2 gr. 8 hex bolt plain b18.2.1 | 57 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/4-28 x 4 1/2 | 1/4-28 x 4 1/2 gr. 8 hex bolt b18.2.1 | 334 |
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