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5 1/2 inch length 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.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
JacksonMSFlat Head Socket Cap ScrewSteelPlain3/4-10 x 5 1/2nc flat socket c/s9
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JacksonMSFlat Head Socket Cap ScrewSteelPlain1-8 x 5 1/2flat socket c/s2
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BHAMALFlat Head Socket Cap ScrewGrade APlain3/4-10 x 5 1/23/4-10x5 1/2 flat hdsoc c/s a307 dom b18.2.1 b18.35
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ASMCILFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/21/2-13x5 1/2 (pt) coarse socket flat hd cap screw alloy pln b18.2.1 b18.320
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ASMCILFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/2(pt) coarse socket flat hd c/s15
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ASMCILFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5 1/2(pt) coarse socket flat hd c/s b18.3100
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/25/8-11x5-1/2 flat stl pln b18.2.1 b18.3 () ()40
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GLFOHFlat Head Socket Cap ScrewSteelPlain1-8 x 5 1/21-8x5-1/2 flat stl pln b18.2.1 b18.3 () ()2
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GLFOHFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/25/8-11x5-1/2-flat head-socket cap screw b18.2.1 b18.3 () ()30
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AbabaCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/21/2-13 x 5 1/2 inch flt soc cap alloy b18.2.1 b18.322
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LibertyILFlat Head Socket Cap ScrewSteelPlain7/8-9 x 5 1/27/8-9x5-1/2 flat socket c/s3
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KomarARFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/2 flat socket cap screw26
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EmpireWAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5 1/23/8-16 x 5 1/2 flat soc c/s200
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MidStatesMIFlat Head Socket Cap ScrewSteelPlain1-8 x 5 1/21-8x5-1/2 flat soc c/s f/t2
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MidStatesMIFlat Head Socket Cap ScrewSteelZinc/Clear5/8-11 x 5 1/25/8-11x5-1/2 flat soc c/s znc25
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IPCVAFlat Head Socket Cap ScrewSteelPlain3/4-10 x 5 1/23/4-10x5 1/2 flat head socket cap screw17
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NorthernMNFlat Head Socket Cap ScrewSteelZinc/Clear5/8-11 x 5 1/25/8-11x5-1/2 flat socket c/s & bake7
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HBBOLTCAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/2flat socket black2
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HBBOLTCAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/2fh socket cap 18-8 ss5
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WDMBIAFlat Head Socket Cap ScrewSteelPlain3/4-10 x 5 1/2screw flat soc alloy 3/4-10x5 1/210
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WDMBIAFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/2screw flat soc alloy 5/8-11x5 1/250
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JET IndusWIFlat Head Socket Cap ScrewSteelPlain5/8-18 x 5 1/2flat 5/8-18x5 1/2 fine thread plain finish12
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CenturyFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5 1/23/8-16 x 5-1/2 flat socket cap alloy stl (ZINC YEL PER ASTM B633 TY II CL Fe/Zn 5) (ZINC YEL PER ASTM B633 TY II CL Fe/Zn 5) 41
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FasSpcMfgFLFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5 1/23/8-16x5-1/2 flat socket cap ni-cu1
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FasSpcMfgFLFlat Head Socket Cap ScrewSteelPlain7/16-20 x 5 1/27/16-20x5-1/2 flat socket cap4
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FasSpcMfgFLFlat Head Socket Cap ScrewNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/2-13 x 5 1/21/2-13x5-1/2 flat socket cap ni-cu 4001
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/21/2-13 x 5 1/2 flat hd socket cap screw b18.2.1 b18.341
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B & K FASTPAFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/25/8-11 x 5 1/2 flat hd socket cap screws b18.2.1 b18.327
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 5 1/21/2-13 x 5-1/2 flat soc cs ss b18.2.1 b18.3625
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Marine FastenersFLFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/4-10 x 5 1/23/4-10 x 5-1/2 flat soc cs ss b18.2.1 b18.3200
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Bostwick INFlat Head Socket Cap ScrewSteelPlain1-8 x 5 1/21-8 x 5 1/2 flat soc cap screw alloy b18.2.1 b18.34
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ZAL INDUSCAFlat Head Socket Cap ScrewSteelPlain3/8-16 x 5 1/23/8-16 x 5 1/2 flat soc cap screw alloy35
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Class CMNFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5 1/23/8-16x5-1/2 flat socket c/s s/s25
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THRDFASTALFlat Head Socket Cap ScrewSteelPlain5/8-11 x 5 1/2flat socket c/s b18.2.1 b18.350
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THRDFASTALFlat Head Socket Cap ScrewSteelPlain3/4-10 x 5 1/2flat socket c/s b18.2.1 b18.350
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Valley NuWAFlat Head Socket Cap ScrewSteelPlain1/2-13 x 5 1/2nc flat hd socket c/s pl15
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SeattleNBWAFlat Head Socket Cap Screw300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 5 1/23/8-16x5-1/2 flat soc cs 18-8ss10
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