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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.
176,732 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 5 | hex c/s hex cap gr. 5 | 50 |
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| Cal Fastenrs | CA | Hex Head Cap Screw | Steel | Galvanized | 5/16-18 x 1 1/4 | hex c/s h.d. hex cag h.d.g. | 50 |
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| Endries | WI | Hex Head Cap Screw | Grade 8 | Black Oxide | 5/16-18 x 3/4 | 5/16-18x3/4 grade 8 hex head cap screw chemical black oxide | 93 |
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| Endries | WI | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/8 | 5/16-18x1-1/8 18-8 s/s steel hex head cap screw with certified material test report | 23050 |
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| Endries | WI | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 2 1/2 | 5/16-18x2-1/2 grade 5 hex head cap screw trivalent clear zinc certified material test report | 250 |
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| Endries | WI | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 2 1/4 | 5/16-18x2-1/4 316 stainless steel hex head cap screw | 875 |
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| Endries | WI | Hex Head Cap Screw | Grade 8 | Plain | 5/16 x 1 1/2 | 5/16x1 1/2 (1/2 dx3/8 h) gr8 center bolt pla in | 4267 |
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| Endries | WI | Hex Head Cap Screw | Steel | Plain | 5/16-18 x 1 | 5/16-18x1 nylon hex head cap screw | 500 |
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| Endries | WI | Hex Head Cap Screw | Grade 5 | Zinc/Yellow | 5/16-18 x 3/4 | 5/16-18x3/4 grade 5 hex head cap screw yellow zinc patch | 400 |
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| Endries | WI | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-24 x 2 1/2 | 5/16-24x2-1/2 grade 8 hex head cap screw yellow zinc | 275 |
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| NutsBolts | 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 ss hcs | 2632 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5/8 | 5/16-18 x 5/8 ss hcs | 707 |
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| NutsBolts | NE | 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 ss hcs | 3125 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1/2 | 5/16-18 x 1/2 ss hcs | 502 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 ss hcs | 516 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 ss hcs | 1542 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 ss hcs | 51 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4 1/2 ss hcs | 51 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5 | 5/16-18 x 5 ss hcs | 51 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 4 | 5/16-18 x 4 ss hcs | 54 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 | 5/16-18 x 2 ss hcs | 2805 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 | 5/16-18 x 3 ss hcs | 147 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 3 1/2 | 5/16-18 x 3 1/2 ss hcs | 135 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2 1/2 ss hcs | 418 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1 3/4 ss hcs | 898 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 5 1/2 | 5/16-18 x 5 1/2 ss hcs | 26 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 3/4 | 5/16-18 x 2 3/4 ss hcs | 424 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 6 | 5/16-18 x 6 ss hcs | 21 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 3/4 | 5/16-24 x 3/4 ss hcs | 300 |
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| NutsBolts | NE | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1 | 5/16-24 x 1 ss hcs | 90 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 3/4 | 5/16-18 x 2 3/4 hex cap screw 18-8 ss 10 per small bag 5 small bags per master pack-generic brand b18.2.1 | 3290 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 5/8 | 5/16-24 x 5/8 hex hd cs ss f593c b18.2.1 | 45180 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/2 | 5/16-18 x 2-1/2 hex head cs ss 25 per box f593c b18.2.1 | 95 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/8 | 5/16-18 x 1-3/8 hex cap 18-8 f593c b18.2.1 | 4780 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/4 | 5/16-18 x 1-3/4 hex head cs ss 10 per box f593c b18.2.1 | 180 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 2 3/4 | 5/16-24 x 2 3/4 hex head cs ss f593c b18.2.1 | 1370 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Zinc/Black | 5/16-18 x 2 1/4 | 5/16-18 x 2-1/4 hex head cs ss/black zinc b18.2.1 | 1500 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 3/8 | 5/16-18 x 1 3/8 hex head cap screw ss/ chrome b18.2.1 | 760 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-24 x 1 3/4 | 5/16-24 x 1 3/4 hex head cs full thread 18-8ss f593c b18.2.1 | 2850 |
|
| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/2 | 5/16-18 x 1-1/2 hex head cs ss ft/chrome b18.2.1 | 5600 |
|
| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 hex cap screw ss with nylon patch b18.2.1 | 1550 |
|
| Marine Fasteners | FL | Hex Head Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Black Oxide | 5/16-18 x 2 1/2 | 5/16-18 x 2.5 hex cap screw fully threaded black oxide 18-8ss b18.2.1 | 1100 |
|
| Marine Fasteners | FL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 5 1/2 | 5/16-18 x 5-1/2 hex hd cs 316ss 316ss b18.2.1 | 700 |
|
| Marine Fasteners | FL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 3 1/4 | 5/16-18 x 3-1/4 hex hd cs 316ss b18.2.1 | 1450 |
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| Marine Fasteners | FL | Hex Head Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 4 1/2 | 5/16-18 x 4-1/2 hex head c/s 316ss f/t b18.2.1 | 2175 |
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| Marine Fasteners | FL | Hex Head Cap Screw | Titanium | Plain | 5/16-18 x 4 | 5/16-18 x 4 hex hd cs titanium b18.2.1 | 40 |
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| Marine Fasteners | FL | Hex Head Cap Screw | Brass | Plain | 5/16-18 x 1 1/4 | 5/16-18 x 1-1/4 hex hd cs brs b18.2.1 | 1525 |
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| Marine Fasteners | FL | Hex Head Cap Screw | Silicon Bronze | Painted | 5/16-18 x 2 | 5/16-18 x 2 hex head cs sil/bronze b18.2.1 | 6417 |
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| Marine Fasteners | FL | Hex Head Cap Screw | Steel | Plain | 5/16-18 x 3/4 | 5/16-18 x 3/4 hx hd c/s sil/br | 4255 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 | 5/16-18 x 1 hcs z5 | 58085 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/4 | 5/16-18 x 1 1/4 hcs z5 | 81574 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 hcs z5 | 3000 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 5 | Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.) | 5/16-18 x 1 1/2 | 5/16-18 x 1 1/2 hcs gr5 geomet usa | 325 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 2 | Zinc/Yellow | 5/16-18 x 1 | 5/16-18 x 1 hcs z2 | 41150 |
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| NutsBolts | NE | Hex Head Cap Screw | Grade 2 | Zinc/Yellow | 5/16-18 x 1 | 5/16-18 x 1 hcs z2 | 122570 |
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| MidStates | SC | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-24 x 6 | 5/16-24 x 6in hex c/s gr 8 z/yel | 1098 |
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| MidStates | SC | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-24 x 1 3/4 | 5/16-24 x 1 3/4 hex c/s gr 5 znc | 951 |
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| MidStates | SC | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-24 x 1 3/4 | 5/16-24 x 1 3/4 hex c/s gr 8 z/yel | 380 |
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| MidStates | SC | Hex Head Cap Screw | Grade 5 | Zinc/Clear | 5/16-24 x 4 | 5/16-24 x 4in hex c/s gr 5 znc | 207 |
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| MidStates | SC | Hex Head Cap Screw | Grade 8 | Zinc/Yellow | 5/16-24 x 2 3/4 | 5/16-24 x 2 3/4 hex c/s gr 8 z/yel | 152 |
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