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1/2 inch length Non-Serrated Flange Screw

Frame Bolts are hex washer head bolts with a flat washer bearing surface. They are made from high-alloy steel, and commonly used on truck frames, hence the name frame bolt. The flange eliminates the need for washers. They are covered under ASME Standard B18.2.1

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
Future FastenerTXFlange Screw w/o serr. (Frame Bolt)Grade 8Black Oxide1/4-20 x 1/21/4-20 x 1/2 g8 hex hd flange bolt blk100
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JacksonMSFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/2nc hex whiz fl/b gr.52926
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Cal FastenrsCAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain5/16-18 x 1/25/16-18x1/2 hex washer head flange screw gr5 w/serrations & nylon patch 2 up 5 covered 2 up 5 covered1,600
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HayesCAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Black#8-32 x 1/28-32 x 1/2 whiz flange screw blk zc2000
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HayesCAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#6-32 x 1/26-32 x 1/2 whiz flange screw zinc2000
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HayesCAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Black#6-32 x 1/26-32 x 1/2 whiz flange screw blk zc38661
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HayesCAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Black1/4-20 x 1/21/4-20 x 1/2 whiz flange screw blk zc2000
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NAPPCOTXFlange Screw w/o serr. (Frame Bolt)SteelPlain5/16-18 x 1/2serratedhexwasherflange sr 5/16-18x1/2 17600
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YANKEENHFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1/23/8-16 x 1/2 serrated hex washer flange screw 18-8 stainless steel100
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CenturyFLFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 1/21/4-20 x 1/2 serrated hex flange screw (GR. 5 STEEL ZINC) (GR. 5 STEEL ZINC) 30
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CenturyFLFlange Screw w/o serr. (Frame Bolt)SteelPlain3/8-16 x 1/23/8-16 x 1/2 serrated hex flange screw (GRADE 5 STEEL TRIVALENT ZINC) (GRADE 5 STEEL TRIVALENT ZINC) 194
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EndriesWIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5/16-18 x 1/25/16-18x1/2 hex serrated flange lock bolt zinc 120 ksi minimum489
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CenturyFLFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear1/4-20 x 1/21/4-20x1/2 hex flange bolt gr8 zinc non-serrated frame bolt 200
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CenturyFLFlange Screw w/o serr. (Frame Bolt)Grade 5Plain1/4-20 x 1/21/4-20x1/2 hex flange bolt serr grade 5 2020
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WeaverWAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear#10-24 x 1/210-24x1/2 gr5 flange bolt zinc1200
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WeaverWAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear5/16-18 x 1/25/16-18x1/2 gr5 flange bolt zinc1475
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American WIFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28 x 1/21/4-28x1/2 nf hex flange bolt #18-8 ss no serrations1200
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American WIFlange Screw w/o serr. (Frame Bolt)SteelPlain1-8 x 1/21-1/2-6x6-1/2 nc hex hd body bolt per print #525270-01 4140/4142 mat. 229-277 bhn2
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BHAMALFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/210-32x1/2 srrted hex flange 300 ser ss b18.2.1197
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Jay-CeeMIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear#8-32 x 1/28-32x1/2 serrated hex flanged washer full thread screw grade 5 zinc & bake10000
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CenturyFLFlange Screw w/o serr. (Frame Bolt)SteelPlain#8-32 x 1/28-32 x 1/2 hex serrated flange (8-32 X 1/2 HEX SERRATED FLANGE LOCKING SCREW ZINC G5) (8-32 X 1/2 HEX SERRATED FLANGE LOCKING SCREW ZINC G5) 190
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/21/4-20x1/2 hex hd serr flange screw grade 5 stl zc b18.2.1 () () ()1555
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Fastener OHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1/2serrated flange bolt 3/8-16x1/2 grade 5 zinc plated410
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Wurth IndINFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/2hex head cap screwflange unser grade 5 zn 1/4-20x1/2 zinc/clear4058
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Wurth IndINFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1/2hex head cap screwflange unser grade 5 zn 3/8-16x1/2 zinc/clear8874
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Wurth IndINFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1/2hex head cap screwflange unser grade 8 zy 3/8-16x1/2 zinc/yellow1381
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Wurth IndINFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear1/4-20 x 1/2hex head cap screwflange unser grade 8 zn 1/4-20x1/2 zinc/clear1140
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EndriesWIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5/16-18 x 1/25/16-18x1/2 flange hex drive wood insert zn821
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SWACOOHFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2#10-32x1/2 flanged spade head thumb screw 18-8 st-st74
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SWACOOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/21/4-20x1/2 hex flange screw j429 gr5 f/t zi1344
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MESAFASTCAFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 1/2flange button socket cap600.0
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WINAMNFlange Screw w/o serr. (Frame Bolt)AluminumZinc/Yellow3/8-16 x 1/2hex head cap screwflange unser gr8 zy 3/8-16x1/21381
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WINAMNFlange Screw w/o serr. (Frame Bolt)AluminumZinc/Clear1/4-20 x 1/2hex head cap screwflange unser gr5 zn 1/4-20x1/24058
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WINAMNFlange Screw w/o serr. (Frame Bolt)AluminumZinc/Clear1/4-20 x 1/2hex head cap screwflange unser gr8 zn 1/4-20x1/21140
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WINAMNFlange Screw w/o serr. (Frame Bolt)AluminumZinc/Clear3/8-16 x 1/2hex head cap screwflange unser gr5 zn 3/8-16x1/28874
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Fastener OHFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/4-20 x 1/2serrated flange hex bolt 1/4-20x1/2 316 ss 400
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AFIFLFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 1/21/4-20x1/2 flange screw & nut kit ()600
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Yellow1/4-20 x 1/21/4-20x1/2 hex flange bolt grade 5 plated zinc yellow(fe/zn 5c) per astm f1941 rohs/reach compliant (1930) (1930) (1942) ()1942
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear5/16-18 x 1/25/16-18x1/2 hex flange bolt grade 8 plated per tms 4523 (4465) (4465) (1965) ()1965
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CIFILFlange Screw w/o serr. (Frame Bolt)Grade 8ASTM F1941-10 Fe/Zn-Ni1/4-20 x 1/21/4-20x1/2 hex flange bolt grade 8 plated per tms 4521 type i (zinc nickel black) (67649) (67649) (67514) ()67514
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2coarse gr8 hex fl/b1,650
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OlanderCAFlange Screw w/o serr. (Frame Bolt)SteelPlain5/16-18 x 1/25/16-18x1/2 hex serrated flange bolt () ()1600
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CenturyNYFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear1/4-20x1/2 hx flange bolt gr8 zinc non-serrated frame bolt200
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CenturyNYFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/21/4-20x1/2 serrated hex flange screw gr. 5 steel zinc6000
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LibertyILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/2hex fl/b zinc2,522
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LibertyILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/2hex fl/b plate plate500
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HayesCAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Black#10-32 x 1/210-32 x 1/2 whiz flange screw blk zc2466
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2hex fl/b1870
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 5Plain5/16-18 x 1/25/16-18 x 1/2 spin lock bolt gr5 b18.2.19844
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain5/16-18 x 1/2hex fl/b1853
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ExpressCAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1/23/8-16x1/2 hex flange bolt grade 5 zinc730
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EmpireWAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain5/16 x 1/25/16 x 1/2 gr 5 flange screw100
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EmpireWAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain1/4-20 x 1/21/4-20 x 1/2 gr5 flange screw100
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Fastener OHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear#10-32 x 1/210-32x1/2 hex head serrated flange screw gr.5 zinc 3000
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WDMBIAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5/16-24 x 1/2screw hex flange serrated (zt) 5/16-24x1/2 drw (W000) (W000) (W000)37,800
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WDMBIAFlange Screw w/o serr. (Frame Bolt)SteelPlain1/4-20 x 1/2hex flange screw unser isoplast 1/4-20x1/2 (W000)2,500
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IPCVAFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 hex flange bolt serr 18-8 ss100
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IPCVAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/21/4-20x1/2 hex flange bolt grade 5 zinc rohs150
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IPCVAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/4-20 x 1/21/4-20x1/2 hex flange bolt grade 8 zinc yellow700
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IPCVAFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5/16-18 x 1/25/16-18x1/2 hex flange bolt serr zinc2,676
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain1/4-20 x 1/21/4-20x1/2 serr hex flange bolt gr5 zi cr3 1408MWW5ZT b18.2.119597
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide#10-32 x 1/2flange bolt black oxide #10-32 x 1/2 (WITH SERRATIONS; HARDENED STEEL)488
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#8-32 x 1/2flange bolt zinc #8-32 x 1/2 (WITH SERRATIONS; HARDENED STEEL)240
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#6-32 x 1/2flange bolt zinc #6-32 x 1/2 (WITH SERRATIONS; HARDENED STEEL)700
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#10-24 x 1/2flange bolt zinc #10-24 x 1/2 (WITH SERRATIONS; HARDENED STEEL)750
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/4-20 x 1/2flange bolt zinc 1/4-20 x 1/2 (WITH SERRATIONS; HARDENED STEEL)3810
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DeltaTXFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide1/4-20 x 1/2flange bolt black oxide 1/4-20 x 1/2 (WITH SERRATIONS; HARDENED STEEL)350
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DeltaTXFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/2flange bolt 18-8 sst 1/4-20 x 1/2 (WITH SERRATIONS)342
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LibertyILFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#10-32 x 1/210-32x1/2 hex drive flange insert zinc5,000
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-28 x 1/2hex flange screw serrated grade 5 (zn) 1/4-28x1/2 (W000)1,700
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 2Zinc/Clear#10-24 x 1/2hex flange screw serrated grade 2 (zt) 10-24x1/2 (W020)11,749
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear#6-32 x 1/2hex flange screw serrated grade 5 (zn) 6-32x1/2 (W040)1,000
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/4-20 x 1/2screw hex flange unser gr8 (zy) 1/4-20x1/2900
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1/2screw hex flange unser gr8 (zy) 3/8-16x1/2 (W050)2,642
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WDMBIAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear#8-32 x 1/2screw hex flange serrated gr5 (zn) 8-32x1/21,360
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JET IndusWIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4-20 x 1/2gr.5 flange bolt 1/4-20x1/2 zinc2,800
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QFCTXFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-20 x 1/21/4-20x1/2 hex serr flange bolt 18-8 b18.2.1200
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/4-20 x 1/21/4-20x1/2 hex serr flange bolt zinc b18.2.12504
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear5/16-18 x 1/25/16-18x1/2 hex serr flange bolt gr5. zinc b18.2.11300
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FTSOHFlange Screw w/o serr. (Frame Bolt)Grade 5Plain1/4-20 x 1/2flange grad 5 patch5,000
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FTSOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1/2flange grad 56,500
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FTSOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1/2fl/b6500
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FTSOHFlange Screw w/o serr. (Frame Bolt)Grade 5Plain1/4-20 x 1/2fl/b grad 5 patch5000
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HodellOHFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/4-20 x 1/21/4-20x1/2 hex flange bolt zinc pltd1700
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HodellOHFlange Screw w/o serr. (Frame Bolt)Grade 5Black Oxide1/4-20 x 1/21/4-20x1/2 hex flange boltgrade 5 blk/ox4000
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HodellOHFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/4-20 x 1/21/4-20x1/2 hex flange bolt zinc pltd1700
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HodellOHFlange Screw w/o serr. (Frame Bolt)Grade 5Black Oxide1/4-20 x 1/21/4-20x1/2 hex flange bolt grade 5 blk/ox4000
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/21/4-20 x 1/2 hex flange bolts grade 8 plain b18.2.116
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ArdenWIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5618 x 1/25618x1/2 hex flange bolt zc.inquire
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/4-20 x 1/21/4-20x1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate50,000
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate5/16-18 x 1/25/16-18x1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate37.500
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Kanebridge ILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 1/23/8-16x1/2 hex head flange non serrated frame bolt ifi 111 2002 grade 8 black phosphate25,000
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#10-32 x 1/210-32 x 1/2 hex flange serrated screw triv zinc b18.2.16955
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BHAMALFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear#8-32 x 1/2srrted hex flg zn5,375
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TrifastTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/4 x 1/21/4 uncx1/2 hex flangegrd 5 h/t stl cap sc rohs zinc clear2320
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LippinCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2flange bolt gr-8 plain400
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SRFALFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#6-32 x 1/2weld stud non-flanged s/s-
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SRFALFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8-32 x 1/2weld stud non-flanged s/s-
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SRFALFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2weld stud flanged s/s-
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SRFALFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2fl/b-
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APIIAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Yellow5/16-18 x 1/2hex flg screw gr5 print188
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AIHAZFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#10-32 x 1/2flange button c/s s/s9
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2gr8 hex fl/b b18.2.12,515
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear5/16-18 x 1/2hex fl/b b18.2.11,400
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THRDFASTMSFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 1/2hex fl/b b18.2.150
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Wurth IndD.F.Flange Screw w/o serr. (Frame Bolt)SteelPhosphate1/4-28 x 1/21/4-28 x 1/2 flanged hex bolt phos & oil-
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WurthINFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear5/16-18 x 1/25/16-18 x 1/2 hex flange screw gr5 zinc/clr per jdm f15a2c pack 500 per poly bag48,290
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WurthINFlange Screw w/o serr. (Frame Bolt)Grade 5Electrolytic Zinc Basecoat + Topcoats (Climacoat, Climaseal, etc.)3/8-16 x 1/23/8-16 x 1/2 hex flange screw gr5 pack 500 per poly bag26,853
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Valley NuWAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/4-20 x 1/2nc gr8 hex fl/b pl196
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ACCURATEILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/4-20 x 1/21/4 -20 x 1/2 flange m/b grad 8 bkphos1,900
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