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Flat Head Cap Screws

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.

0 Flat Head Socket Cap Screw (ansi asme b18.3), showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain5/16-18 x 3/45/16-18 x 3/4 flat head socket cap 316 stainless3
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#0-80 x 3/160-80 x 3/16 flat head socket cap 18-8 stainless136
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FasSpcMfgFLFlat Head Socket Cap ScrewASTM A574Plain#0-80 x 3/160-80 x 3/16 flat head socket cap alloy82
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/88-blank x 4 1/8 flat hd soc cap 18-8 stn15
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/164-40 x 3/16 flat head socket cap 18-8 stainless497
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FasSpcMfgFLFlat Head Socket Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Plain#4-40 x 1/44-40 x 1/4 flat head socket cap ni-cu 4004
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FasSpcMfgFLFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 1/44-40 x 1/4 flat head socket cap alloy 208
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FasSpcMfgFLFlat Head Socket Cap ScrewBrassPlain#4-40 x 1/44-40 x 1/4 flat head socket cap brass50
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FasSpcMfgFLFlat Head Socket Cap Screw316, 317, A4 StainlessPlain#4-40 x 1/44-40 x 1/4 flat head socket cap 316 stainless99
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FasSpcMfgFLFlat Head Socket Cap ScrewASTM A574Plain#1-64 x 1/21-64 x 1/2 flat head socket cap alloy2860
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FasSpcMfgFLFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 3/84-40 x 3/8 flat head socket cap hastelloy c 27620
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FasSpcMfgFLFlat Head Socket Cap ScrewAluminumPlain#4-40 x 3/84-40 x 3/8 flat head socket cap full thread aluminum465
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FasSpcMfgFLFlat Head Socket Cap ScrewAluminumPlain#4-40 x 3/84-40 x 3/8 flat head socket cap full thread aluminum 7075t63900
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FasSpcMfgFLFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-40 x 1/24-40 x 1/2 flat head socket cap hastelloy c 2764
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FasSpcMfgFLFlat Head Socket Cap ScrewBrassPlain#4-40 x 1/24-40 x 1/2 flat head socket cap brass96
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/44-40 x 3/4 100 deg flat hd soc cap 18-8 stn11270
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 14-40 x 1 flat head socket cap 18-8 stainless233
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 1 1/44-40 x 1-1/4 flat head socket cap 18-8 stainless89
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FasSpcMfgFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 2 1/44-40 x 2-1/4 flat head socket cap 18-8 stainless3
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FasSpcMfgFLFlat Head Socket Cap ScrewSuperalloy (Inconel, Hastelloy, Alloy 20)Plain#4-48 x 3/84-48 x 3/8 flat head socket cap carpenter 207
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain18.3bolt & c/s socket c/s 1 1/2-6x10flat socket b120
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain18.3bolt & c/s socket c/s 3/4-10x12flat socket b1100
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BIG BOLTILFlat Head Socket Cap ScrewClass 12.9PlainM48-5.00 x 90bolt & c/s flat socket c/s608
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain3/4-10 x 6bolt & c/s hex c/s flat socket b18.3800
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain18.3bolt & c/s socket c/s 7/8-9x10flat socket b600
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain1/2-13 x 16bolt & c/s flat socket c/s flat socket b18.3200
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlainx 6bolt & c/s socket c/s 1/2-13x6flat head475
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain5/8-11 x 11bolt & c/s flat socket c/s hvyhex b18.2.6 ca325290
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain18.3bolt & c/s socket c/s 1-8x9flat socket b150
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain1/2-13 x 10bolt & c/s flat socket c/s flat socket b18.3800
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BIG BOLTILFlat Head Socket Cap ScrewGrade 5Plain3/4-10 x 1 7/8bolt & c/s flat socket c/s b18.2.15000
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain18.3bolt & c/s socket c/s 1 1/2-6x12flat socket b200
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain1 1/4-7 x 18bolt & c/s hex c/s flat socket b18.3290
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain3/4-16 x 1 5/8bolt & c/s flat socket c/s b18.2.120000
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain18.3bolt & c/s socket c/s 3/4-10x10flat socket b1000
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain7/8-9 x 8 1/2bolt & c/s flat socket c/s flat socket b18.3100
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BIG BOLTILFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1 1/2-6 x 2bolt & c/s flat socket c/s 300 (a1 a2 18-8 304 310 etc.)hex hd b18.2.6 a490321
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BIG BOLTILFlat Head Socket Cap ScrewGrade BPlain18.3bolt & c/s heavy h/b (b7 b8 a307b etc.)steel1-8x8flat socket b700
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BIG BOLTILFlat Head Socket Cap ScrewSteelPlain5/8-11 x 8bolt & c/s square boltflat socket b18.3600
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BIG BOLTILFlat Head Socket Cap ScrewGrade 8Plain1/2-13 x 10 1/2bolt & c/s flat socket c/s flat socket b18.3100
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Mid-ValleyCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#4-40 x 3/16flat head socket cap screw b18.2.1 b18.3inquire
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Mid-ValleyCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 5/16flat head socket cap screw b18.2.1 b18.3inquire
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KBSTNFlat Head Socket Cap ScrewSteelZinc/ClearM10-1.50 x 30m10-1.5 x 30 flat soc cap screw pltd100
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KBSTNFlat Head Socket Cap ScrewClass 10.9PlainM16-2.00 x 40m16-2.0 x 40 flat soc cap screw 10.9391
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KBSTNFlat Head Socket Cap ScrewSteelPlainM24-3.00 x 120m24-3.0 x 120 flat soc cap screw88
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KBSTNFlat Head Socket Cap ScrewSteelPlainM8-1.25 x 15m8-1.25 x 15 flat soc cap screw50
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KBSTNFlat Head Socket Cap ScrewSteelPlainM6-1.00 x 10m6-1.0 x 10 flat soc cap screw6,980
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KBSTNFlat Head Socket Cap ScrewSteelPlain1-8 x 101-8 x 10 inch flat soc cap screw b18.2.1 b18.325
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KBSTNFlat Head Socket Cap ScrewSteelPlain#10-32 x 3/810-32 x 3/8 flat soc cap screw b18.2.1 b18.348,765
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KBSTNFlat Head Socket Cap ScrewSteelZinc/Clear5/16-18 x 2 1/25/16-18 x 2 1/2 flat soc cap screw plated b18.2.1 b18.350
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KBSTNFlat Head Socket Cap ScrewSteelZinc/Clear3/8-16 x 33/8-16 x 3 flat soc cap screw plated b18.2.1 b18.3188
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KBSTNFlat Head Socket Cap ScrewSteelPlain3/8-16 x 3 1/23/8-16 x 3 1/2 flat soc cap screw b18.2.1 b18.3887
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KBSTNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 31/2-13 x 3 flat soc cap screw s/s b18.2.1 b18.334
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KBSTNFlat Head Socket Cap ScrewSteelPlain1/2 x 51/2 x 5 bolt anchor fl soc ctsk b18.2.1 b18.340
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KBSTNFlat Head Socket Cap ScrewSteelPlain5/16-18 x 65/16-18 x 6 flat torx!t/c type^f b18.2.1 b18.3120
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KBSTNFlat Head Socket Cap ScrewSteelPlain#6-32 x 1/26-32 x 1/2 flat soc cap screw b18.2.1 b18.356,355
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KBSTNFlat Head Socket Cap ScrewSteelFree Zinc Basecoat + Ceramic Topcoat (Ruspert, Ruspro, Dagger-Guard, etc.)1/4-20 x 2 1/41/4-20 x 2 1/4 flat torx!t/c type^f silverceramic b18.2.1 b18.317,260
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