5/16-18 Hex Cap Screws
Hex Cap Screws are hex headed fasteners with external machine screw threads and differ from hex machine bolts by having a washer surface on the underside or bearing side of the head and a chamfered thread end. Hex cap screws have tighter dimensional tolerances than bolts. Metric hex cap screws are specified by various DIN, ISO and JIS standards, and US/Imperial hex cap screws are dimensionally specified by the ASME B18.2.1 specification.
168,354 Hex Head Cap Screw, showing 200, (click on any line for more information)
Buy Hex Cap Screws from one of our FCH Network Members | ||||||||
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
Cal Fastenrs | CA | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 hex cap screw gr 5 steel cr3 zinc he cap | 1,050 |
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MESAFAST | CA | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1/2 | hex c/s brass | 12.0 |
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Liberty | IL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5/8 | c/s | 184 |
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Liberty | IL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3/4 | c/s 316 stainless | 84 |
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Liberty | IL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 7/8 | c/s 316 stainless | 645 |
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Liberty | IL | Hex Head Cap Screw | Grade 5 | Cadmium/Yellow | 5/16-18 x 1 | ms90725-34 5/16-18 x 1 c/s cad | 820 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 hex cap screw grade 5 zinc 1650/ctn-100/pkg | 10540 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw grade 5 zinc 1400/ctn-100/pkg | 6034 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw grade 8 zinc yellow 1400/ctn-100/pkg | 761 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex cap screw grade 8 zinc yellow 1000/ctn-100/pkg | 1209 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3 | 5/16-18 x 3 hex cap screw grade 5 zinc 500/ctn-100/pkg | 350 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 hex cap screw grade 5 zinc 1100/ctn-100/pkg | 1446 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18 x 2-1/2 hex cap screw grade 5 zinc 600/ctn-100/pkg | 780 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 3 | 5/16-18 x 3 hex cap screw grade 8 zinc yellow 500/ctn-100/pkg | 540 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 | 5/16-18 x 2 hex cap screw grade 8 zinc yellow 800/ctn-100/pkg | 432 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 1/2 | 5/16-18 x 2-1/2 hex cap screw grade 8 zinc yellow 600/ctn-100/pkg | 432 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 hex cap screw grade 8 zinc yellow 850/ctn-100/pkg | 860 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 1/4 | 5/16-18 x 2-1/4 hex cap screw grade 5 zinc 700/ctn-100/pkg | 667 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex cap screw grade 5 zinc 1000/ctn-100/pkg | 524 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 hex cap screw grade 5 zinc 1800/ctn-100/pkg | 336 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 4 | 5/16-18 x 4 hex cap screw grade 5 zinc 400/ctn-50/pkg | 375 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5 | 5/16-18 x 5 hex cap screw grade 5 zinc 250/ctn-50/pkg | 172 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5 1/2 | 5/16-18 x 5-1/2 hex cap screw grade 5 zinc 250/ctn-50/pkg | 32 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 hex cap screw grade 5 zinc 800/ctn-100/pkg | 892 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 4 1/2 | 5/16-18 x 4-1/2 hex cap screw grade 5 zinc 300/ctn-50/pkg | 223 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 3/4 | 5/16-18 x 2-3/4 hex cap screw grade 5 zinc 550/ctn-100/pkg | 272 |
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Mansco | MI | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1 1/2 | 5/16-18x1-1/2 hex cap 100/box | 102 |
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Mansco | MI | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | hex cap 18-8 s/s 25/box | 50 |
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SIS | AZ | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3/4 | hex c/s 316 stainless () | 50 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1/2 | hex c/s () | 200 |
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SIS | AZ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 1 | c/s grade 2 () | 1700 |
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SIS | AZ | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 | hex c/s 316 stainless () | 50 |
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SIS | AZ | Hex Head Cap Screw | Steel | Zinc/Clear | 5/16-18 x 1 1/2 | c/s clear () | 50 |
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SIS | AZ | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | c/s 18-8 304 () | 300 |
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SIS | AZ | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/4 | hex c/s 316 stainless () | 50 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/4 | c/s () | 75 |
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SIS | AZ | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | hex c/s 18-8 304 () | 75 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 | c/s () | 50 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 3 | c/s () | 75 |
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SIS | AZ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 3 | c/s grade 2 () | 650 |
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SIS | AZ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 2 1/2 | hex c/s grade 2 clear () | 1497 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 1/4 | hex c/s () | 10 |
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SIS | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3 1/2 | c/s () | 25 |
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SIS | AZ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 5 | hex c/s grade 2 clr () | 49 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 3 1/4 | hex c/s () | 50 |
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SIS | AZ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 4 | hex cap bolt grade 2 clr () | 500 |
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SIS | AZ | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 1/2 | hex c/s 18-8 304 () | 100 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 5 | hex c/s () | 125 |
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Brikksen | FL | Hex Head Cap Screw | Steel | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex hd cs s/b b18.2.1 | 10400 |
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Brikksen | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 hex head cs ss 50 per box f593c f-36box b18.2.1 | 176 |
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Brikksen | FL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 | 5/16-18 x 1 hex head cs 316ss 50 per box b18.2.1 | 195 |
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Brikksen | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 1/2 | 5/16-18x6-1/2 hex hd cs ss f593c b18.2.1 | 2839 |
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Liberty | IL | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 4 | c/s brass | 6 |
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BoltCraft | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw gr 18.8 stainless steel 800/ctn-100/pkg | 845 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 hex cap screw grade 5 plain 3000/ctn | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3 1/2 | 5/16-18 x 3-1/2 hex cap screw grade 5 zinc 450/ctn-50/pkg | 20 |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1/2 | 5/16-18 x 1/2 hex cap screw grade 8 zinc yellow | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 7 | 5/16-18 x 7 hex cap screw grade 5 zinc 225/ctn-50/pkg | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 hex cap screw domestic grade 5 zinc | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw domestic grade 5 zinc | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex cap screw domestic grade 5 zinc | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18 x 1/2 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3 | 5/16-18 x 3 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 hex cap screw grade 5 zinc package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 | 5/16-18 x 2 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 3/4 | 5/16-18 x 3/4 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 | 5/16-18 x 1 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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BoltCraft | NE | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 1/2 | 5/16-18 x 2-1/2 hex cap screw grade 8 zinc yellow package of 100 | inquire |
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Mansco | MI | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 6 | 5/16-18x6 hex cap gr8 znc 50/box | 50 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Galvanized | 5/16-18 x 1 | hcs | 106 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 1 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 1 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 1 1/4 | hcs | 431 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 1 1/4 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 8 | Plain | 5/16-18 x 1 1/4 | hcs | 335 |
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SRF | AL | Hex Head Cap Screw | Nylon | Plain | 5/16-18 x 1 1/4 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 5 | Zinc/Black | 5/16-18 x 1 1/2 | hcs black | 24,365 |
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SRF | AL | Hex Head Cap Screw | Grade 5 | Plain | 5/16-18 x 1 1/2 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 8 | Plain | 5/16-18 x 1 1/2 | hcs | 97 |
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SRF | AL | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1 1/2 | hcs | 174 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 1 1/2 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 1 1/2 | hcs | 1,966 |
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SRF | AL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 1/2 | hcs 316 s/s | 14 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Galvanized | 5/16-18 x 1 1/2 | hcs | 1,600 |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Plain | 5/16-18 x 1 3/4 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 1 3/4 | hcs | - |
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SRF | AL | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1 3/4 | hcs | - |
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SRF | AL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 1 3/4 | hcs 316 s/s | - |
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SRF | AL | Hex Head Cap Screw | Nylon | Plain | 5/16-18 x 2 | hcs | 100 |
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NBS | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 5/8 | 5/16-18 x 5/8 gr.5 hex cap screw trivalent b18.2.1 | 168.3 |
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NBS | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 gr.5 hex cap screw trivalent b18.2.1 | 254.78 |
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NBS | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18 x 3/4 gr.5 hex cap screw zinc b18.2.1 | 5.2 |
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NBS | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 gr.5 hex cap screw trivalent b18.2.1 | 188.4 |
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NBS | IL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 | 5/16-18 x 2 gr.5 hex cap screw zinc b18.2.1 | 52.8 |
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SIS | AZ | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3/4 | hex c/s 18-8 s/s | 945 |
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SIS | AZ | Hex Head Cap Screw | Grade 5 | Cadmium | 5/16-18 x 7/8 | cad w/patch | 1206 |
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SIS | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | hex c/s | 450 |
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SIS | AZ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 3/4 | hex c/s | 47 |
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SIS | AZ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 6 | hex c/s | 25 |
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CCF | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 2 | hex c/s | 770 |
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CCF | FL | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 3/4 | hex c/s | 1,408 |
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CCF | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/4 | hex c/s | 1,600 |
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CCF | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/2 | hex c/s | 800 |
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CCF | FL | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 | hex c/s | 1,291 |
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