4 inch length Flat Head Cap Screws (ASME B18. 3)
Flat Head Socket Cap Screws are designed to be seated in countersunk holes, and align flush with the surface of the assembly when installed. Flat head socket cap screws have a flat top surface, an indented hex and a conical bearing surface with a head angle of 82°. Flat head socket cap screws are commonly used in machine parts, die fixturing, and clamping.
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 4 | 5/8-11x4 flat stl pln b18.2.1 b18.3 () () () | 65 |
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GLF | OH | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 4 | 3/4-10x4 flat head socket-partial thread-alloy thermal black oxide b18.2.1 b18.3 () () () | 5 |
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BHAM | AL | Flat Head Socket Cap Screw | ASTM A449 | Plain | 5/8-11 x 4 | 5/8-11x4 flat soc cap scr a449 dom b18.2.1 b18.3 | 11 |
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BHAM | AL | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 4 | 5/8-11x4 flat soc cap scr b18.2.1 b18.3 | 27 |
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BIG BOLT | IL | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 4 | bolt & c/s hex c/s flat socket b18.3 | 1200 |
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BIG BOLT | IL | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 4 | bolt & c/s hex c/s flat socket b18.3 | 600 |
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BHAM | AL | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 4 | 7/8-9 x 4 fl soc cap scr b18.2.1 b18.3 | 5 |
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Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 4 | 1/4-20 x 4 flt soc cap s/s b18.2.1 b18.3 | 44 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 4 | 5/16-18 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 70 |
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Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 4 | 3/8-16 x 4 flt soc cap s/s b18.2.1 b18.3 | 6 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 4 | 3/8-16 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 81 |
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Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 4 | 1/2-13 x 4 flt soc cap s/s b18.2.1 b18.3 | 9 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 4 | 1/2-13 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 88 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 4 | 3/4-10 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 13 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 4 | 1/4-20 x 4 flt soc cap alloy b18.2.1 b18.3 | 70 |
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ASMC | IL | Flat Head Socket Cap Screw | Steel | Plain | 1/2-20 x 4 | (pt) fine socket flat hd c/s b18.3 | 11 |
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Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 4 | 1/4-20 x 4 flt soc cap s/s b18.2.1 b18.3 | 16 |
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Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 4 | 1/2-13 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 10 |
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SII | IN | Flat Head Socket Cap Screw | Steel | Black Oxide | 3/8-16 x 4 | 3/8-16 x 4 black oxide finish flat socket cap screw ) b18.2.1 b18.3 | 173 |
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Standard | MA | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 1/2-13 x 4 | 1/2-13x4 flat head socket cap screw 316 stainless steel b18.2.1 b18.3 | 576 |
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Standard | MA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/4-10 x 4 | 3/4-10x4 flat head socket cap screw 18-8 stainless steel b18.2.1 b18.3 | 8 |
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QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 1/2 x 4 | 1/2x4nc flat socket cap screw b18.2.1 b18.3 | 5 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 4 | 1/4-20 x 4 flat hd socket cap screws b18.2.1 b18.3 | 50 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 4 | 3/8-16 x 4 flat hd socket cap screws b18.2.1 b18.3 | 160 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 4 | 3/8-16 x 4 flat hd socket cap screws domestic b18.2.1 b18.3 | 5 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 4 | 1/2-13 x 4 flat hd socket cap screws b18.2.1 b18.3 | 76 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 4 | 5/8-11 x 4 flat hd socket cap screw b18.2.1 b18.3 | 60 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 4 | 7/8-9 x 4 flat hd socket cap screws b18.2.1 b18.3 | 27 |
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B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 4 | 1-8 x 4 flat hd socket cap screws b18.2.1 b18.3 | 10 |
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B & K FAST | PA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 4 | 3/8-16 x 4 flat socket cap screws 18-8 ss b18.2.1 b18.3 | 2 |
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OSSCO | RI | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 4 | 1/4-20x4 flat soc cap screw b18.2.1 b18.3 | 49 |
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OSSCO | RI | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/8-11 x 4 | 5/8-11x4 flat soc cap screw 18-8 304 b18.2.1 b18.3 | 2 |
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QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 4 | 5/8-11x4 flat soc c/s alloy plain b18.2.1 b18.3 | 89 |
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QFC | TX | Flat Head Socket Cap Screw | Steel | Galvanized | 1/2 x 4 | 1/2x4nc fl hd skt cap screw m/g b18.2.1 b18.3 | 100 |
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Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 5/8-18 x 4 | 5/8-18 x 4 flat soc cap screw alloy b18.2.1 b18.3 | 6 |
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Wurth | Ont | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 4 | scr flt soc alloy 7/8-9x4 b18.2.1 b18.3 | 400 |
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NWFAST | TX | Flat Head Socket Cap Screw | Steel | Black Oxide | 5/8-11 x 4 | 5/8-11 x 4 flat head socket cap screw alloy steel black oxide b18.2.1 b18.3 | 629 |
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THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 4 | flat socket c/s b18.2.1 b18.3 | 33 |
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THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 4 | flat socket c/s b18.2.1 b18.3 | 23 |
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THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 4 | flat socket c/s b18.2.1 b18.3 | 14 |
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THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 4 | flat socket c/s b18.2.1 b18.3 | 8 |
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THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 4 | flat socket c/s b18.2.1 b18.3 | 6 |
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THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 1 1/4-7 x 4 | flat socket c/s b18.2.1 b18.3 | 15 |
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THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 7/8-9 x 4 | flat socket c/s b18.2.1 b18.3 | 13 |
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THRDFAST | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 7/8-9 x 4 | 18-8 ss flat socket c/s b18.2.1 b18.3 | 1 |
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THRDFAST | MS | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 4 | flat socket c/s b18.2.1 b18.3 | 33 |
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WSB | KY | Flat Head Socket Cap Screw | Steel | Zinc/Yellow | 10 x 4 | screw wo flat st type-17 (zyt) tx 10x4 b18.2.1 b18.3 | 24,000 |
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WSB | KY | Flat Head Socket Cap Screw | Steel | Zinc/Yellow | 10 x 4 | screw wo flat st type-17 (zyt) tx 10x4 b18.2.1 b18.3 | 21,600 |
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All Size | TX | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 4 | 1/2-13 x 4 flat head socket cap b18.2.1 b18.3 | 34 |
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All Size | TX | Flat Head Socket Cap Screw | Steel | Plain | 1 1/4-7 x 4 | 1 1/4-7 x 4 flat head socket cap b18.2.1 b18.3 | 15 |
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