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2 1/4 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.
57 results, (click on any line for more information)
| Buy Flat Head Cap Screws from one of our FCH Network Members | ||||||||
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| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| GLF | OH | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 5/16-18 x 2 1/4 | 5/16-18x2-1/4 flat 18-8 s/s b18.2.1 b18.3 () () () | 53 |
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| Irwin Ind | Ont | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 2 1/4 | 5/16-18x2-1/4 alloy steel (pt) hex flat socket screw thermal black oxide finish b18.2.1 b18.3 | 6425 |
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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 2 1/4 | 1/4-20 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.3 | 177 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket 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 flat soc cap screw s/s b18.2.1 b18.3 | 75 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 300 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 123 |
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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 2 1/4 | 1/2-13 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.3 | 5 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 13 |
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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 2 1/4 | 3/8-16 x 2 1/4 flat soc cap screw s/s b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-32 x 2 1/4 | 10-32 x 2 1/4 flt soc cap s/s b18.2.1 b18.3 | 75 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 flt soc cap full thrd alloy b18.2.1 b18.3 | 654 |
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| ASMC | IL | Flat Head Socket Cap Screw | Steel | Plain | #8-32 x 2 1/4 | (pt) coarse socket flat hd c/s b18.2.1 b18.3 | 50 |
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| ASMC | IL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | #10-24 x 2 1/4 | coarse socket flat hd c/s ss18-8 b18.3 | 37 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 100 |
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| Ababa | CA | Flat Head Socket 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 flat soc cap screw s/s b18.2.1 b18.3 | 25 |
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| Ababa | CA | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 10 |
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| Alma Bolt | MI | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 flat hd socket cap screw alloy b18.2.1 b18.3 | 268 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2-1/4 flat head socket cap screw b18.2.1 b18.3 | 100 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Black Oxide | 5/16-18 x 2 1/4 | 5/16-18 x 2-1/4 black oxide finish flat socket cap screw) b18.2.1 b18.3 | 450 |
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| SII | IN | Flat Head Socket Cap Screw | Steel | Black Oxide | 3/8-16 x 2 1/4 | 3/8-16 x 2-1/4 black oxide finish flat socket cap screw) b18.2.1 b18.3 | 163 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Black Oxide | 1/2-13 x 2 1/4 | 1/2-13x2 1/4 flat hdsock caps stl blk 211301 b18.2.1 b18.3 | 518 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 1/2 x 2 1/4 | 1/2x2 1/4nc flat skt cap screw b18.2.1 b18.3 | 1 |
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| QFC | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 2 1/4 | 3/8-16x2 1/4 flat soc cap screw 18-8 b18.2.1 b18.3 | 430 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 3/8-16 x 2 1/4 | 3/8-16 x 2 1/4 flat hd socket cap screws b18.2.1 b18.3 | 98 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2 1/4 flat hd socket cap screws b18.2.1 b18.3 | 249 |
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| B & K FAST | PA | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 2 1/4 | 5/8-11 x 2 1/4 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 | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 flat hd socket cap screws b18.2.1 b18.3 | 122 |
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| BHAM | FL | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | 1/2-13x2 1/4 flat soc cap scr b18.2.1 b18.3 | 350 |
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| OSSCO | RI | Flat Head Socket Cap Screw | Steel | Plain | #10-32 x 2 1/4 | 10-32x2 1/4 flat soc cap screw b18.2.1 b18.3 | 254 |
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| QFC | TX | Flat Head Socket Cap Screw | Steel | Plain | 3/8 x 2 1/4 | 3/8x2 1/4nc flat skt cap screw b18.2.1 b18.3 | 100 |
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| Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | 1/2-13 x 2 1/4 flat soc cap screw (usa mfg) alloy b18.2.1 b18.3 | 15 |
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| Bostwick | IN | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 2 1/4 | 5/16-18 x 2 1/4 flat soc cap screw alloy b18.2.1 b18.3 | 57 |
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| JET FITTING | CA | Flat Head Socket Cap Screw | Steel | Plain | 1/220 x 2 1/4 | cap screw flat socket 1/220x2-1/4 alloy steel b18.2.1 b18.3 | 50 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 40 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 6 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | 316, 317, A4 Stainless | Plain | 5/16-18 x 2 1/4 | t-316 ss flat socket cap b18.2.1 b18.3 | 10 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 2 1/4 | flat socket c/s b18.2.1 b18.3 domestic | 8 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | Steel | Plain | 5/8-11 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 25 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | Steel | Plain | 1-8 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 4 |
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| THRDFAST | TN | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/2-13 x 2 1/4 | 18-8 ss flat socket cap b18.2.1 b18.3 | 2 |
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| KBS | TN | Flat Head Socket Cap Screw | Steel | Free Zinc Basecoat + Ceramic Topcoat (Ruspert, Ruspro, Dagger-Guard, etc.) | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 flat torx!t/c type^f silverceramic b18.2.1 b18.3 | 17,260 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 1 1/4-7 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 1 |
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| THRDFAST | OK | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 101 |
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| THRDFAST | MS | Flat Head Socket Cap Screw | Steel | Plain | 1/2-13 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 85 |
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| THRDFAST | AL | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 2 1/4 | flat socket c/s b18.2.1 b18.3 | 20 |
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| THRDFAST | FL | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 3/8-16 x 2 1/4 | 18-8 ss flat socket c/s b18.2.1 b18.3 | 35 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | screw ts f tx flat 1/4-20x2 1/4 b18.2.1 b18.3 | 295,750 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | screw ts f tx flat 1/4-20x2 1/4 b18.2.1 b18.3 | 32,500 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 5/16-18 x 2 1/4 | screw ts f tx flat 5/16-18x2 1/4 b18.2.1 b18.3 | 55,562 |
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| WSB | KY | Flat Head Socket Cap Screw | Steel | Plain | 1/4-20 x 2 1/4 | screw ts f tx flat 1/4-20x2 1/4 b18.2.1 b18.3 | 57,600 |
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| WSB | KY | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | screw flat soc (18-8) 1/4-20x2 1/4 b18.2.1 b18.3 | 2,825 |
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| All Size | TX | Flat Head Socket Cap Screw | Steel | Plain | 5/8-18 x 2 1/4 | 5/8-18 x 2 1/4 flat head socket cap b18.2.1 b18.3 | 1 |
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| All Size | TX | Flat Head Socket Cap Screw | Steel | Plain | 3/4-10 x 2 1/4 | 3/4-10 x 2 1/4 flat head socket cap b18.2.1 b18.3 | 140 |
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| All Size | TX | Flat Head Socket Cap Screw | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4-20 x 2 1/4 | 1/4-20 x 2 1/4 flat head socket cap s/s b18.2.1 b18.3 | 8 |
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| All Size | TX | Flat Head Socket Cap Screw | Steel | Plain | #10-32 x 2 1/4 | 10-32 x 2 1/4 flat head socket cap b18.2.1 b18.3 | 297 |
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| FACCA | Ont | Flat Head Socket Cap Screw | Steel | Zinc/Clear | 1/4-20 x 2 1/4 | thread-cutting screw sq socket flat head type f 1/4-20 unc x 2-1/4 long low carb steel case hard zinc chrom b18.2.1 b18.3 | 16,240 |
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