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5/16 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
160 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 | Galvanized | 5/16-18 x 3 1/2 | 5/16-18x3-1/2 hex hd bolt a307 stl hdg b18.2.1 () () () | 725 |
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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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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 708 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 2 3/4 | 5/16-18x2-3/4 hex hd bolt a307 stl zc b18.2.1 () () () | 100 |
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| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 3 | 5/16-18x3 hex hd bolt a307 stl hdg b18.2.1 () () () | 75 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 1 3/32 | an5-10a b18.2.1 () () () | 5000 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 23/32 | bolt AN5H5A b18.2.1 () () () | 52 |
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| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 3/4 | 5/16-18x2-3/4 hex hd bolt a307 hdg b18.2.1 () () () | 356 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18x1/2 hex hd bolt a307 stl zc b18.2.1 () () () | 2418 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18x1-1/4 hex hd bolt a307 stl zc b18.2.1 () () () | 1024 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 1 31/32 | an5-17a b18.2.1 () () () | 201 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 1 11/32 | an5-12a b18.2.1 () () () | 300 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 2 31/32 | bolt AN5-27 b18.2.1 () () () | 65 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 27/32 | an5-6a b18.2.1 () () () | 50 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium | 5/16-24 x 3 27/32 | bolt AN5-36 b18.2.1 () () () | 23 |
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| GLF | OH | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 hex hd bolt a307 stl zc b18.2.1 () () () | 1455 |
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| GLF | OH | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 | 5/16-18x1 hex hd bolt a307 stl hdg b18.2.1 () () () | 100 |
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| GLF | OH | Hex Machine Bolt | Grade A | Plain | 5/16-18 x 1 3/4 | 5/16-18x1-3/4 hex hd bolt a307 stl pln b18.2.1 () () () | 1100 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 1 | 5/16-18 x 1 hex bolt stl hdg b18.2.1 | 950 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hex bolt stl znc b18.2.1 | 3175 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 hex bolt stl znc b18.2.1 | 1600 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 hex bolt stl hdg b18.2.1 | 1010 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 hex bolt stl znc b18.2.1 | 475 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 2 | 5/16-18 x 2 hex bolt stl hdg b18.2.1 | 949 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 hex bolt stl znc b18.2.1 | 1207 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 hex bolt stl znc b18.2.1 | 400 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 hex bolt stl hdg b18.2.1 | 275 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 hex bolt stl znc b18.2.1 | 663 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 2 3/4 | 5/16-18 x 2 3/4 hex bolt stl znc b18.2.1 | 280 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 3 | 5/16-18 x 3 hex bolt stl znc b18.2.1 | 995 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 3 1/2 | 5/16-18 x 3 1/2 hex bolt stl znc b18.2.1 | 196 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 4 | 5/16-18 x 4 hex bolt stl hdg b18.2.1 | 105 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 hex bolt stl znc b18.2.1 | 225 |
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| 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 |
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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 | 312 |
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| Ababa | CA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 5 | 5/16-18 x 5 hex bolt stl hdg b18.2.1 | 187 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 5 | 5/16-18 x 5 hex bolt stl znc b18.2.1 | 125 |
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| Ababa | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18 x 1/2 hex bolt stl znc b18.2.1 | 1570 |
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| Exim | S'pore | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 5/16-24 x 03/4 | screw hex head bolts/s passivated unf 2a#5/16-24 x 0.750 in b18.2.1 | 892 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 astm a307 grade a zinc finish hex bolt b18.2.1 | 1350 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 astm a307 grade a zinc finish hex bolt b18.2.1 | 1171 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 astm a307 grade a zinc finish hex bolt b18.2.1 | 625 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 2 1/4 | 5/16-18 x 2-1/4 astm a307 grade a zinc finish hex bolt b18.2.1 | 650 |
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| SII | IN | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 astm a307 grade a zinc finish hex bolt b18.2.1 | 625 |
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| Wink Fast | VA | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 5/16-18 x 1 1/2 | alloy 20 (n08020) hex bolt 5/16-18x1-1/2 per asme b18.2.1 | 77 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 5 | 5/16-18x5 machine bolt galvanized b18.2.1 | 1430 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 5 1/2 | 5/16-18x5-1/2 machine bolt galvanized b18.2.1 | 450 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 7 | 5/16-18x7 machine bolt galvanized b18.2.1 | 172 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 6 1/2 | 5/16-18x6-1/2 machine bolt galvanized b18.2.1 | 300 |
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| Standard | MA | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 machine bolt galvanized b18.2.1 | 172 |
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| QFC | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-18 x 6 1/4 | 5/16-18x6 hex bolt grade 5 1-1/4 min thread plain b18.2.1 | 405740 |
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| QFC | TX | Hex Machine Bolt | Grade 5 | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16-18 x 6 1/4 | 5/16-18x6 hex bolt gr5 1-1/4 thread min magni astm f2833 gr1 cof=0.15 b18.2.1 | 38058 |
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| QFC | TX | Hex Machine Bolt | Grade A | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16-18 x 8 | 5/16-18x8 hex bolt 4 thread (a307) gr2 magni 565 b18.2.1 | 9046 |
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| QFC | TX | Hex Machine Bolt | Grade 5 | Galvanized | 5/16-18 x 6 1/4 | 5/16-18x6 hex bolt grade 5 1-1/4 min thread hdg b18.2.1 | 900 |
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| QFC | TX | Hex Machine Bolt | Steel | Plain | bracket 3/16x2 x 3 7/8 (a572-65) w/one hole drill & tap for 5/16-18 unc bolt b18.2.1 | 5380 |
| |
| Cascade | OR | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1 7/8 | m/b b18.2.1 | 12000 |
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| Cascade | OR | Hex Machine Bolt | Steel | Plain | 5/16-18 x 9 | m/b b18.2.1 | 35 |
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| Cascade | OR | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 6 | m/b an b18.2.1 | 400 |
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| General F | MI | Hex Machine Bolt | Grade 5 | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16-24 x .843 | 5/16-24 x .843 hhcs gr 5 magni 565 b18.2.1 | 51327 |
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| General F | MI | Hex Machine Bolt | Grade 5 | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16-24 x 1.09 | hf 5/16-24 x 1.09 hhcs gr5 magni 565 b18.2.1 | 4955 |
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| QFC | TX | Hex Machine Bolt | Steel | Plain | 5/16 | d .313 hhs jobber gold p 5/16 b18.2.1 | 2 |
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| QFC | TX | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 1 | 5/16-18 x 1 hex machine bolt galvanized b18.2.1 | 1462 |
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| QFC | TX | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hex machine bolt zinc b18.2.1 | 2183 |
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| QFC | TX | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 5 | 5/16-18 x 5 hex bolt a307 hdg b18. 2.1 | 40 |
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| QFC | TX | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 1 1/2 | 5/16-18 1 1/2 hex zinc bolt b18.2.1 | 4 |
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| QFC | TX | Hex Machine Bolt | Steel | Plain | 5/16-18 1 1/2 | 5/16-18 1 1/2 hex machine bolt 125pc b18.2.1 | 4 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 3/4 | a307a h/b hdg b18.2.1 | 2,220 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 1/4 | a307a h/b hdg b18.2.1 | 1,790 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 | a307a h/b hdg b18.2.1 | 1,667 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 4 | a307a h/b hdg b18.2.1 | 138 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 1/4 | a307a h/b hdg b18.2.1 | 135 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 7 | a307a h/b hdg b18.2.1 | 33 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 6 | a307a h/b hdg b18.2.1 | 11 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 4 | a307a h/b hdg b18.2.1 | 351 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 | a307a h/b hdg b18.2.1 | 178 |
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| THRDFAST | FL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 4 | a307a h/b hdg b18.2.1 | 16 |
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| THRDFAST | TN | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 | a307a h/b hdg b18.2.1 | 689 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 1/4 | a307a h/b hdg b18.2.1 | 176 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 | a307a h/b hdg b18.2.1 | 860 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 3 1/2 | a307a h/b hdg b18.2.1 | 450 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 2 1/4 | a307a h/b hdg b18.2.1 | 262 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 5 1/2 | a307a h/b hdg b18.2.1 | 250 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 1/4 | a307a h/b hdg b18.2.1 | 100 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 3/4 | a307a h/b hdg b18.2.1 | 90 |
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| THRDFAST | MS | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 | a307a h/b hdg b18.2.1 | 60 |
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| THRDFAST | AL | Hex Machine Bolt | Grade A | Galvanized | 5/16-18 x 1 | a307a h/b hdg b18.2.1 | 1093 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 5 1/2 | 5/16-18 x 5-1/2 hex bolt grade 8 domestic b18.2.1 | 22 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 3 | 5/16-18 x 3 gr. 8 hex bolt domestic b18.2.1 | 47 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 hex bolt grade 8 domestic b18.2.1 | 401 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 2 3/4 | 5/16-18 x 2 3/4 gr. 8 hex bolt domestic b18.2.1 | 349 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-24 x 3 1/4 | 5/16-24 x 3 1/4 gr. 5 hex bolt b18.2.1 | 450 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-18 x 6 1/2 | 5/16-18 x 6 1/2 gr. 5 hex bolt b18.2.1 | 73 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1 1/4 | 5/16-24 x 1 1/4 hex bolt s/s b18.2.1 | 385 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 2 | 5/16-18 x 2 hex bolt grade 8 domestic b18.2.1 | 48 |
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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 5 | Plain | 5/16-18 x 5 1/2 | 5/16-18 x 5 1/2 gr. 5 hex bolt b18.2.1 | 194 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 | 5/16-18 x 6 hex bolt s/s b18.2.1 | 8 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 3 1/2 | 5/16-18 x 3 1/2 gr. 8 hex bolt domestic b18.2.1 | 91 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-18 x 3 1/8 | 5/16-18 x 3 1/2 gr. 5 hex bolt 1/8 hole drilled in head b18.2.1 | 147 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-24 x 1 3/4 | 5/16-24 x 1 3/4 gr. 5 hex bolt b18.2.1 | 350 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 gr. 8 hex bolt domestic b18.2.1 | 1,792 |
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| All Size | TX | Hex Machine Bolt | Steel | Galvanized | 5/16-18 x 1 | 5/16-18 x 1 hex bolt galv b18.2.1 | 45 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 5/16-24 x 3 | 5/16-24 x 3 gr. 5 hex bolt b18.2.1 | 382 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 5/16-24 x 3 1/2 | 5/16-24 x 3 1/2 gr. 8 hex bolt b18.2.1 | 344 |
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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 | Grade 8 | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 gr. 8 hex bolt domestic b18.2.1 | 140 |
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