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1/2-20 Hex Bolts
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
94 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 | |
| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 1/4 | 1/2-20x1-1/4 18-8 ss fin hex bolt fine thread | 3 |
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| SunPack | FL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3 1/4 | 1/2-20x3-1/4 gr5 fin hex bolt zinc fine thread | 4 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 | 1/2-20x1 j429 gr8 fin hex bolt yellow zinc fine thread | 45 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 | 1/2-20x3 j429 gr8 fin hex bolt yellow zinc fine thread | 60 |
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| Century | FL | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 11 | 1/2-20 x 11 hex hd bolt gr 5 | 20 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 31/32 | an8-7a bolt (BOLT) (BOLT) | 1564 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 3 3/32 | an8-30 bolt | 2 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 1 15/32 | an8-13a | 46 |
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| Endries | WI | Hex Machine Bolt | Steel | Plain | 1/2-20 x 1 1/2 | 1/2-20x1 1/2 hex bolt per print ms-1215 | 50 |
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| MESAFAST | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 2 | h/b 18-8 s/s | 19.0 |
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| MESAFAST | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 1/2 | h/b 18-8 s/s | 19.0 |
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| MESAFAST | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 | h/b 18-8 s/s | 22.0 |
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| MESAFAST | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 2 1/2 | h/b 18-8 s/s | 68.0 |
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| MESAFAST | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3/4 | h/b gr5 | 50.0 |
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| MESAFAST | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 | h/b gr5 | 177.0 |
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| MESAFAST | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 1/2 | h/b gr5 | 144.0 |
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| MESAFAST | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 1 1/4 | h/b gr5 | 33.0 |
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| MESAFAST | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 1 | h/b gr5 | 25.0 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 4 31/32 | bolt AN8-47 b18.2.1 () () () | 63 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 1 7/32 | bolt AN8-11A b18.2.1 () () () | 780 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 2 11/32 | an8-22a b18.2.1 () () | 2 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 1 11/32 | an8-12a b18.2.1 () () () | 1099 |
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| Future Fastener | TX | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 1 1/4 | 1/2-20x1 1/4 g5 hex bolt plt | 50 |
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| Century | FL | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 2 31/32 | an8-27a | 4 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 5 1/2 | 1/2-20 x 5 1/2 g8 y/zn hex hd bolts pt | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 4 1/2 | 1/2-20 x 4 1/2 g8 y/zn hex hd bolts pt | 3,720 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 1/4 | 1/2-20 x 3 1/4 g8 y/zn hex hd bolts p/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Clear | 1/2-20 x 2 1/4 | 1/2-20 x 2 1/4 gr.8 zn hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 2 1/4 | 1/2-20 x 2 1/4 gr.8 y/zn hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 | 1/2-20 x 1 g8 y/zn hex hd bolts | 4,620 |
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| GLF | OH | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 4 23/32 | bolt AN8-45 b18.2.1 () () () | 14 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 1 | 1/2-20x1 gr.5 zn hex hd bolt | 300 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3 1/2 | 1/2-20x3 1/2 gr.5 zn hex hd bolt | 50 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 27/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 0.844 long 0.063 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-6A | 1650 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 2 19/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 2.594 long 1.813 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-24A | 4 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 4 15/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 4.469 long 3.688 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-43A | 300 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 3 7/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 3.219 long 2.438 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-31A | 29 |
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| Rapid | NY | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Passivated | 1/2-20 x 2.219 | bolt-machine close tolerance aircraft 431 cres 1/2-20 unf-3a x 2-7/32 length (1.4375 grip) passivate per ams2700 undrilled AN178C21A | 1 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 4 31/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 4.969 long 4.188 grip cadmium plated ams-qq-p-416 type ii class 2 drilled shank only AN8-47 | 25 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 1 27/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 1.844 long 1.063 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-16A | 60 |
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| Rapid | NY | Hex Machine Bolt | Steel | Cadmium/Yellow | 1/2-20 x 5 23/32 | bolt machine aircraft alloy steel 1/2-20 unf-3a 0.499-0.495 dia. x 5.719 long 4.938 grip cadmium plated ams-qq-p-416 type ii class 2 un-drilled head & shank AN8-55A | 180 |
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| HBBOLT | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 5 | h/b | 50 |
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| HBBOLT | CA | Hex Machine Bolt | 316, 317, A4 Stainless | Plain | 1/2-20 x 2 | h/b [316 ] | 30 |
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| HBBOLT | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 3/4 | h/b [18-8 304] | 110 |
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| Parker | AZ | Hex Machine Bolt | Steel | Passivated | 1/2-20 x 1.735 | 1/2-20 x 1.735 hex cap screw .735 thread a286 hardened passivate per nas6708u16 made in u.s.a. | 675 |
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| Parker | AZ | Hex Machine Bolt | Steel | Passivated | 1/2-20 x 1.735 | 1/2-20 x 1.735 hex cap screw .735 thread a286 hardened passivate per nas6708u16 made in u.s.a. | 675 |
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| SunPack | FL | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 1/4 | 18-8 ss fin h/b fine thread fine thread | 2 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 | 1/2-20x3 j429 gr8 fin hex bolt yellow zinc fine thread fine thread | 60 |
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| SunPack | FL | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 | 1/2-20x1 j429 gr8 fin hex bolt yellow zinc fine thread fine thread | 50 |
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| SunPack | FL | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3 1/4 | gr5 fin h/b fine thread fine thread | 5 |
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| FasSpcMfg | FL | Hex Machine Bolt | Superalloy (Inconel, Hastelloy, Alloy 20) | Plain | 1/2-20 x 1 1/4 | 1/2-20x1-1/4 h/b nitronic 60 | 1 |
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| FasSpcMfg | FL | Hex Machine Bolt | Silicon Bronze | Plain | 1/2-20 x 2 | 1/2-20x2 h/b 655 thread length 1.25 | 1 |
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| Hodell | OH | Hex Machine Bolt | Steel | Plain | 1/2-20 x 1 5/32 | 1/2-20x1-5/32 spcl hxblt tri/zi/ye to prt | 6 |
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| SIS | AZ | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 2 | h/b | 150 |
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| BHAM | AL | Hex Machine Bolt | Steel | Plain | 1/2-20 x 1 59/64 | ms20073-08-17 1/2-20 x 1-59/64 bolt | 5 |
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| Jackson | MS | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 1 | nf l.h. h/b custom order | 1 |
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| FDL | IL | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 1 3/4 | 1/2-20 x 1-3/4 hex hd machine bolt grade 5 steel plain per drawing#1536895 rev. a 300pcs/ctn & 18.6kgs/ctn b18.2.1 | 2500 |
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| FDL | IL | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 1 3/4 | 1/2-20 x 1-3/4 hex hd machine bolt grade 5 steel plain per drawing#1536895 rev. a 300pcs/ctn & 18.6kgs/ctn b18.2.1 | 2500 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 1/4 | 1/2-20 x 3 1/4 g8 y/zn hex hd bolts p/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 1/4 | 1/2-20 x 3 1/4 g8 y/zn hex hd bolts p/th | stock |
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| JET FITTING | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 3/4 | bolt hex 1/220x3/4 stainless steel b18.2.1 | 78 |
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| OBRIEN | OH | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 | f.t. h/b gr5 | 100 |
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| OBRIEN | OH | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 7 | f/t h/b gr8 | 41 |
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| OBRIEN | OH | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 2 1/2 | f/t h/b gr8 | 50 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 1/4 | 1/2-20 x 3 1/4 g8 y/zn hex hd bolts p/th | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 1/2 | 1/2-20 x 1 1/2 g8 y/zn hex hd bolts | 190 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 1/4 | 1/2-20 x 2-1/4 gr.5 zn hex hd bolts a bb 25 fb 50 qk 250 | 195 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 5 | 1/2-20 x 5 gr.5 hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 1/4 | 1/2-20 x 1 1/4 g8 y/zn hex hd bolts | 40 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 2 3/4 | 1/2-20 x 2 3/4 gr.8 y/zn hex hd bolts | 99 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3 | 1/2-20 x 3 gr.5 zn hex hd bolts | 46 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 | 1/2-20 x 2 gr.5 zn hex hd bolts a bb 25 fb 50 qk 250 | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 5 | 1/2-20 x 5 g8 y/zn hex hd bolts | 99 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 3/4 | 1/2-20 x 3 3/4 gr.8 y/zn hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 1 3/4 | 1/2-20 x 1 3/4 g8 y/zn hex hd bolts | 125 |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 3 3/4 | 1/2-20 x 3 3/4 gr.5 zn hex hd bolts | 40 |
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| MTP | CA | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 1 1/2 | 1/2-20 x 1 1/2 18-8 s.s hex hd bolts | 100 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 | 1/2-20 x 3 gr.8 y/zn hex hd bolts a bb 100 fb 500 qk 2500 | 100 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 3 1/2 | 1/2-20 x 3 1/2 gr.8 y/zn hex hd bolts | stock |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 gr.8 y/zn hex hd bolts a bb 100 fb 500 qk 2500 | 2,265 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 1/2-20 x 2 | 1/2-20 x 2 gr.8-y/zn hex hd bolts a bb 100 fb 500 qk 2500 | 175 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.) | 1/2-20 x 3 3/4 | 1/2-20 x 3 3/4 gr.8 blk hex hd bolts f/th a bb 100 fb 500 qk 2500 | stock |
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| MTP | CA | Hex Machine Bolt | Grade 5 | Zinc/Clear | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 gr.5 zn hex hd bolts a bb 100 fb 500 qk 2500 | 425 |
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| MTP | CA | Hex Machine Bolt | Grade 8 | Zinc/Yellow | 1/2-20 x 4 | 1/2-20 x 4 gr.8 y/zn hex hd bolts a bb 100 fb 500 qk 2500 | stock |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 4 | 1/2-20 x 4 gr. 8 hex bolt plain b18.2.1 | 106 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 2 | 1/2-20 x 2 gr. 5 hex bolt b18.2.1 | 51 |
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| All Size | TX | Hex Machine Bolt | Grade 5 | Plain | 1/2-20 x 5 | 1/2-20 x 5 gr. 5 hex bolt b18.2.1 | 5 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 7 | 1/2-20 x 7 gr. 8 hex bolt b18.2.1 | 90 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 2 1/2 | 1/2-20 x 2 1/2 gr. 8 hex bolt plain b18.2.1 | 50 |
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| All Size | TX | Hex Machine Bolt | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-20 x 3/4 | 1/2-20 x 3/4 hex bolt-ss b18.2.1 | 61 |
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| All Size | TX | Hex Machine Bolt | Grade 8 | Plain | 1/2-20 x 621/2 | 1/2-20 x 621/2 gr. 8 hex bolt drilled end-1/8 drilled 1/8 from the end b18.2.1 | 10 |
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