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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 () () () | 149 |
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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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| 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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| 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 |
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| 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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| 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 | Steel | Black Oxide | 5/16-18 x 3/4 | bolt hex 5/16-18x3/4 steel black oxide b18.2.1 | 1050 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 (pt) hex bolt steel a307 zinc plated b18.2.1 | 500 |
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| JET FITTING | CA | Hex Machine Bolt | Steel | Zinc/Clear | 5/16-18 x 3/4 | bolt hex 5/1618x3/4 steel zinc plated standard patch lock b18.2.1 | 4000 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | bolt hex 5/1618x3/4 stainless steel b18.2.1 | 500 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | bolt hex 5/1618x3/4 grade 5 steel zinc plated b18.2.1 | 50 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 7/8 | bolt hex 5/1618x7/8 a307 steel zinc plated b18.2.1 | 559 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 7/8 | bolt hex 5/1618x7/8 stainless steel b18.2.1 | 275 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 7/8 | bolt hex 5/1618x7/8 grade 5 steel zinc plated b18.2.1 | 33 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 7/8 | bolt hex 5/1618x7/8 grade 8 steel zinc plated yellow b18.2.1 | 100 |
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| JET FITTING | CA | Hex Machine Bolt | Grade A | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 (pt) hex bolt steel a307 zinc plated b18.2.1 | 950 |
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| JET FITTING | CA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 | bolt hex 5/1618x1 stainless steel316 b18.2.1 | 200 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | bolt hex 5/1618x1 stainless steel b18.2.1 | 1030 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 1 | bolt hex 5/1618x1 grade 5 steel zinc plated b18.2.1 | 920 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 1 | bolt hex 5/1618x1 gr8 steel zinc plated yellow b18.2.1 | 300 |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | bolt hex 5/1618x1-1/4 stainless steel b18.2.1 | 550 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/4 | bolt hex 5/1618x1-1/4 grade 5 steel zinc plated b18.2.1 | 50 |
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| JET FITTING | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/4 | bolt hex 5/1618x1-1/4 grade 8 zinc plated yellow b18.2.1 | 900 |
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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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