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3/8 Non-Serrated Flange Screw (ASME B18. 2.1)

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 
AbabaCAFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide3/8-16 x 1 9/163/8-16 x 1 9/16 blk hex l/wsh body bolt b18.2.12
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AbabaCAFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide3/8-16 x 1 1/23/8-16 x 1 1/2 blk hex l/wsh body bolt b18.2.18
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 3/43/8-16x3/4 hex hd serr flange screw grade 5 stl zc b18.2.1 () () ()800
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 13/8-16x1 hex flange bolt grade 8 stl zy b18.2.1 () () ()259
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1 1/23/8-16x1-1/2 hex flange bolt grade 8 stl zy b18.2.1 () () ()90
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear3/8-16 x 1 1/43/8-16x1-1/4 serrated-hex-flange bolt-full thread-grade 8-zinc rohs b18.2.1 () () ()139
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 5/83/8-16x5/8 hex flange bolt grade 8 stl pln b18.2.1 ()848
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 43/8-16x4 coarse gr8 hex flange screw alloy phos b18.2.1100
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1 1/2(ft) coarse gr8 hex fl/b b18.2.1310
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 2 1/23/8-16x2 1/2 coarse gr8 hex flange screw alloy pln b18.2.1175
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 (ft) coarse gr5 hex flange screw with serration med carb zp b18.2.1325
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 33/8-16x3 (ft) coarse gr5 hex flange screw with serration med carb zp b18.2.1250
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 2 1/23/8-16x2 1/2 coarse gr8 hex flange screw alloy phos b18.2.1218
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 1 3/43/8-16x1 3/4 coarse gr8 hex flange screw alloy phos b18.2.1300
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AbabaCAFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide3/8-16 x 1 9/163/8-16 x 1 9/16 blk hex l/wsh body bolt b18.2.13
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AbabaCAFlange Screw w/o serr. (Frame Bolt)SteelBlack Oxide3/8-16 x 1 1/23/8-16 x 1 1/2 blk hex l/wsh body bolt b18.2.14
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 3/43/8-16 x 3/4 zinc plated hex flange bolt grade 5 b18.2.120200
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 13/8-16x1 serr hex flange bolt 18-8 b18.2.182
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain3/8-16 x 13/8-16x1 serr hex flange bolt grade 5 st zi 406222 b18.2.11178
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Plain3/8-16 x 3/43/8-16x3/4 serr hex flange bolt grade 5 st zi b18.2.11605
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 1 1/43/8-16x1 1/4 hex flange bolt gr8 plain b18.2.1600
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8 x 23/8x2 gr8 flange bolt plain b18.2.13
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8 x 23/8x2 gr8 flange bolt plain b18.2.1450
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 13/8-16x1 hfb grade 5 zinc serrated b18.2.111241
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 13/8-16x1 hfb grade 5 zinc serrated b18.2.112300
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 13/8-16x1 hex flange bolt grade 8 plain b18.2.1508
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 3003/8-16x300 hex flange bolt grade 8 phos b18.2.11197
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 13/8-16x1 hex serrated flange bolt gr5 zinc b18.2.1492
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 hex serr flange bolt gr.5 zinc b18.2.1595
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1 1/23/8-16x1 1/2 hex serr flange bolt gr5 zinc b18.2.1934
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)SteelPhosphate3/8-16 x 13/8-16 x 1 hex body bolts phosphate b18.2.115
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear3/8-16 x 3/43/8-16 x 3/4 hwh serr flange bolts gr 8.2 zinc b18.2.1233
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 13/8-16 x 1 hwh flange bolt gr 8 plain b18.2.181
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1 1/43/8-16 x 1 1/4 hwh serr flange bolts gr 5 zinc b18.2.1431
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 2 3/43/8-16x2.75 serrated flange bolt 18-8ss serrated b18.2.136500
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 23/8-16x2 hex flange bolt 18-8ss w/serrations b18.2.124359
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General FMIFlange Screw w/o serr. (Frame Bolt)SteelPhosphate3/8-16 x 1 1/43/8-16x 1.25 hex flange bolt 8 phos & oil b18.2.1383
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 13/8-16x1 hex flange bolt gr8 phos b18.2.19,800
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 33/8-16x3 hex flange bolt grade 8 magni per b18.2.140,824
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 33/8-16 x 3 hex flange blt gr8 phos b18.2.151084
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General FMIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 43/8-16 x 4 hex flange blt 8 zn clr triv b18.2.145481
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 1 1/83/8-16 x 1.125 hex flange gr8 patch b18.2.11130
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General FMIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 13/8-16 x 1 hex flange serr 5 zn b18.2.1571
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 2 3/43/8-16 x 2.75 hex flange gr8 patch q29 b18.2.154805
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 3/43/8-16x3/4 hex flange bolt gr8 plain b18.2.1100
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8 x 1 1/23/8x1 1/2 gr8 flange bolt b18.2.1100
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 33/8-16 x 3 hex flange screw serrated gr 5 tri-zinc b18.2.12942
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-163/8-16 hex flange l/nut g8 phos b18.2.11190
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QFCTXFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 3/43/8-16x3/4 hex serrated flange bolt 18-8 b18.2.150
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QFCTXFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-16 x 1 1/43/8-16x1 1/4 hex serr flange screw 18-8 b18.2.1100
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear3/8-16 x 1 1/43/8-16x1 1/4 hex flange bolt gr8 zinc clear trivalent b18.2.168
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 33/8-16x3 hex serr flange bolt zinc b18.2.1138
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 2 1/23/8-16x2 1/2 hex serr flange bolt zinc b18.2.1225
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 1 3/43/8-16x1 3/4 hex serr flange bolt zinc b18.2.1188
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QFCTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 23/8-16x2 hex serr flange bolt zinc b18.2.1115
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelPlain3/8-16 x 23/8-16 x 2 flange bolt (frame bolt) b18.2.168
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WurthOntFlange Screw w/o serr. (Frame Bolt)Grade FZinc/Clear3/8-16nut hex flange auto grf (zn) 3/8-16 b18.2.11100
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THRDFASTFLFlange Screw w/o serr. (Frame Bolt)Grade 8Plain3/8-16 x 1hex fl/b b18.2.131
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 2hex fl/b b18.2.1300
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16 x 3/4hex fl/b b18.2.1250
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THRDFASTALFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear3/8-16 x 1 1/2hex fl/b b18.2.150
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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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KBSTNFlange Screw w/o serr. (Frame Bolt)SteelPlain3/8-24 x 1 1/43/8-24 x 1 1/4 twelve pt flange bolt b18.2.1805
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KBSTNFlange Screw w/o serr. (Frame Bolt)SteelPlain3/8-24 x 3/43/8-24 x 3/4 twelve pt flange bolt b18.2.12,510
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KBSTNFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 13/8-16 x 1 gr-8 flange bolt yellowznc b18.2.1955
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KBSTNFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1 1/43/8-16 x 1 1/4 gr-8 flange bolt yellowznc b18.2.11,000
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WSBKYFlange Screw w/o serr. (Frame Bolt)Grade FZinc/Clear3/8-16nut hex flange top lck grf (zn) 3/8-16 b18.2.110,400
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WSBKYFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear3/8-16nut hex flange (zt) 3/8-16 b18.2.111,430
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WSBKYFlange Screw w/o serr. (Frame Bolt)Grade FZinc/Clear3/8-16nut hex lg flange grf (zt) 3/8-16 b18.2.138,872
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain3/8-16 x 1 1/23/8-16 x 1-1/2 316 stainless hex flange screw dfar usa b18.2.1179
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 1/23/8-16 x 1-1/2 gr 8 hex flange screw magni 565 b18.2.1208
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 13/8-16 x 1 gr 8 hex flange screw magni 565 b18.2.1267
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 3/43/8-16 x 1-3/4 gr 8 hex flange screw magni 565 b18.2.1806
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 13/8-16 x 1 gr 8 hex flange screw zinc yellow b18.2.1580
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 1/43/8-16 x 1-1/4 gr 8 hex flange screw magni 565 b18.2.1927
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 23/8-16 x 2 gr 8 hex flange screw zinc yellow b18.2.154
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 13/8-16 x 1 gr 8 hex flange screw phos oil b18.2.1409
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 23/8-16 x 2 gr 8 hex flange screw phos oil b18.2.1310
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain3/8-16 x 13/8-16 x 1 316 stainless hex flange screw dfar usa b18.2.11862
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 1 1/43/8-16 x 1-1/4 gr 8 hfs zinc yellow b18.2.11119
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 1 1/43/8-16 x 1-1/4 gr 8 hex flange screw phos oil b18.2.1918
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 2 3/43/8-16 x 2-3/4 hex flange screw gr 8 magni 565 usa b18.2.17360
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 53/8-16 x 5 hex flange screw gr 8 magni 565 usa b18.2.1440
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 1/43/8-16 x 1-1/4 gr 8 hex flange screw magni 565 b18.2.1927
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 23/8-16 x 2 gr 8 hex flange screw zinc yellow b18.2.154
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow3/8-16 x 13/8-16 x 1 gr 8 hex flange screw zinc yellow b18.2.180
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 1 3/43/8-16 x 1-3/4 gr 8 hex flange screw magni 565 b18.2.1806
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate3/8-16 x 13/8-16 x 1 gr 8 hex flange screw phos oil b18.2.1409
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Dip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)3/8-16 x 2 3/43/8-16 x 2-3/4 hex flange screw gr 8 magni 565 usa b18.2.17360
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