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5/16 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.
161,897 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 | |
| MESAFAST | CA | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1/2 | hex c/s brass | 12.0 |
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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 8 | Zinc/Yellow | 5/16-24 x 1 1/4 | c/s () | 50 |
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| IRF | NJ | Hex Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 hex cap scr grade 8 zinc | 1,086 |
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| IRF | NJ | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 2 1/2 | 5/16-18x2 1/2 hex cap screw steel 2073316-01 | 30 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 7/8 | 5/16-18x1 7/8 hex cap scr grade 5 zinc | 1,406 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 hex cap scr grade 5 zinc s3124ch5z | 2,270 |
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| IRF | NJ | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 hex cap scr grade 8 z/yelw | 1,122 |
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| IRF | NJ | Hex Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 2 | 5/16-18x2 hex cap scr grade 8 zinc | 720 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 | 5/16-18x2 hex cap scr grade 5 zinc | 700 |
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| IRF | NJ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 1 | 5/16-18x1 hex cap scr grade 2 zinc s3116ch2z dwg_8031-008 | 1,450 |
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| IRF | NJ | Hex Head Cap Screw | Grade 8 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18x1 1/2 hex cap scr grade 8 zinc | 1,100 |
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| IRF | NJ | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18x2 1/4 hex cap scr 18-8 ss 662-036-3-002 | 2,230 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 6 | 5/16-18x6 hex cap scr grade 5 zinc s3196ch5z | 789 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 4 | 5/16-18x4 hex cap scr grade 5 zinc s3164ch5z | 920 |
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| IRF | NJ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 3 1/2 | 5/16-18x3 1/2 hex cap scr grade 2 zinc s3156ch2z | 1,868 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 3/4 | 5/16-18x3/4 hex cap scr grade 5 zinc s3112ch5z | 3,085 |
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| IRF | NJ | Hex Head Cap Screw | Grade 2 | Zinc/Clear | 5/16-18 x 2 1/4 | 5/16-18x2 1/4 hex cap scr grade 2 zinc s3136ch2z | 7,040 |
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| IRF | NJ | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1/2 | 5/16-18x1/2 hex cap scr grade 5 zinc s3108ch5z | 1,830 |
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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 | 5/16-24 x 1 3/4 | 5/16-24x1-3/4 hex hd cs ss f593c b18.2.1 | 1350 |
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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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| General F | MI | Hex Head Cap Screw | Steel | Zinc/Yellow | 5/16-18 x 4 | 5/16-18 x 4 hhcs 8 zn ylw bake with b18.2.1 | 178 |
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| General F | MI | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18 x 2.5 hhcs gr5 zn b18.2.1 | 40822 |
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| General F | MI | Hex Head Cap Screw | Steel | Zinc/Yellow | 5/16-18 x 3/4 | 5/16-18 x .75 hhcs 5 zn ylw b18.2.1 | 4447 |
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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 | 945 |
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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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| Liberty | IL | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 4 | c/s brass | 6 |
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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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| TPC | IN | Hex Head Cap Screw | Steel | Plain | 5/16 x 3 | ind unslotted f/t | 22600 |
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| TPC | IN | Hex Head Cap Screw | Steel | Plain | 5/16 x 2 1/2 | ind unslotted f/t | 67000 |
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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 | Steel | Zinc/Yellow | 5/16-24 x .30 | 0/.270 hex c/s | 12203 |
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