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1/2 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 
BHAMALFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 11/2-13x1 hex flange bolt grade 8 yel zinc b18.2.1189
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AbabaCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/21/2-13 x 1 1/2 non serrated flangebolt gr 8 pln b18.2.1125
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AbabaCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 1/21/2-20 x 1 1/2 flange h/b gr 8 pln b18.2.150
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AbabaCAFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 31/2-13 x 3 non-serr flg blt phos & oil gr 8 b18.2.1198
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GLFOHFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-131/2-13 hex flange locknut-grade c-plain b18.2.1 () () ()53
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 1 1/21/2-13x1-1/2 hex flange bolt grade 8 stl blk phos b18.2.1 ()94
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/21/2-13x1-1/2 hex flange bolt grade 8 stl pln b18.2.1 ()21
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/41/2-13x1-1/4 hex flange bolt grade 5 stl zc b18.2.1 ()225
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 21/2-13x2 hex flange bolt grade 8 stl pln b18.2.1 ()113
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GLFOHFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2 1/21/2-13x2-1/2 hex flange bolt grade 8 stl pln b18.2.1 ()75
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Irwin IndOntFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 1 3/41/2-20x1-3/4 hex flange screw gr8 alloy steel phos b18.2.150
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Irwin IndOntFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 1 1/21/2-20x1-1/2 hex flange screw gr8 alloy steel phos b18.2.1100
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 11/2-13x1 (ft) coarse gr8 hex flange screw alloy yz b18.2.1319
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 2 1/2fine gr8 hex fl/b phos b18.2.1453
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 1 3/41/2-13x1 3/4 (ft) coarse gr8 hex flange screw alloy phos b18.2.1225
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 1 1/41/2-13x1 1/4 (ft) coarse gr8 hex flange screw alloy phos b18.2.1250
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 31/2-13x3 coarse gr8 hex flange screw alloy yz b18.2.1138
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 21/2-13x2 coarse gr8 hex flange screw alloy yz b18.2.1200
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 21/2-20x2 fine gr8 hex flange screw alloy phos b18.2.1103
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 2 1/21/2-13x2 1/2 (ft) unc gr5 hex flange screw with serration med carb zp b18.2.175
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 11/2-13x1 (ft) coarse gr8 hex flange screw alloy phos b18.2.1100
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ASMCILFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 4 1/21/2-13x4 1/2 coarse gr8 hex flange screw alloy phos b18.2.16
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 2 1/21/2-13 x 2 1/2 zinc plated hex flange bolt grade 5 b18.2.11800
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 4 1/21/2-13 x 4 1/2 hex flange bolt grade 8 b18.2.1219
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 11/2-13 x 1 zinc plated hex flange bolt grade 5 b18.2.13190
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear1/2-13 x 11/2-13 x 1 clear zinc hex flange bolt grade 8 b18.2.1298
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Alma BoltMIFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 21/2-13 x 2 zinc plated hex flange bolt grade 5 b18.2.1950
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/21/2-13x1-1/2 indented hex washer flange bolt steel grade 5 zinc BS5FLB04001413T b18.2.198
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 4 1/21/2-13x4 1/2 hex flange bolt grade 8 FB-.50C4.50-GR8 b18.2.125
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 51/2-13x5 hex flange bolt grade 8 437188 b18.2.125
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-131/2-13 hex flange ln grade 8 zidi b18.2.13688
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General FMIFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/2-201/2-20 hex flange ln gr g zn b18.2.16750
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2 x 1 1/21/2x1 1/2nc gr8 flange bolt 821757 b18.2.128
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2 x 1 1/21/2x1 1/2nc gr8 flange bolt 821757 b18.2.1225
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 1/21/2-20x1 1/2 flange bolt gr8 plain b18.2.150
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 3/41/2-20x1 3/4 flange bolt gr8 plain b18.2.145
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 21/2-13x2 flange bolt gr8 phos & oil b18.2.1125
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 1/41/2-20x1 1/4 hex flange bolt grade 8 plain b18.2.110900
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 4 1/21/2-13x4 1/2 hex flange bolt grade 8 b18.2.11155
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 1/41/2-20x1-1/4 hex flange bolt grade 8 b18.2.13281
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 2 1/41/2-20x2-1/4 hex flange bolt grade 8 b18.2.1397
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 3 1/41/2-20x3 1/4 hex flange bolt grad 8 b18.2.1152
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 41/2-20x4 hex flange bolt grade 8 phos b18.2.1432
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 11/2-13x1 hex serr flange bolt gr5 zinc b18.2.125
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/21/2-13x1 1/2 ind hex serr flange bolt gr5 zinc b18.2.1200
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 2 1/21/2-13x2-1/2 hex serr flange bolt gr5 zinc b18.2.1100
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 21/2-13 x 2 hex flange bolts gr.8 plain b18.2.1225
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2 1/41/2-13 x 2 1/4 hwh flange bolt gr8 nylon patch plain b18.2.1502
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2 1/21/2-13 x 2 1/2 hwh flange bolts gr 8 plain b18.2.1101
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2 3/41/2-13 x 2 3/4 hwh flange bolts gr 8 plain b18.2.134
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 31/2-13 x 3 hex flange bolts gr 8 plain b18.2.1400
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 3 1/21/2-13 x 3 1/2 hwh flange bolts gr.8 plain b18.2.131
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 3/41/2-20 x 1 3/4 hwh flange bolts gr 8 plain b18.2.14
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 21/2-20 x 2 hwh flange bolts gr 8 plain b18.2.150
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Yellow1/2-13 x 7/81/2-13 x 7/8 hwh serr flange bolts gr 5 z yellow b18.2.1185
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 11/2-13 x 1 hwh serrated flange bolts gr 5 zinc b18.2.11
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/41/2-13 x 1 1/4 hwh serrated flange bolts gr 5 zinc b18.2.150
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/41/2-13 x 1 1/4 hwh flange bolt gr 8 plain b18.2.1183
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B & K FASTPAFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/21/2-13 x 1 1/2 hwh flange bolts gr 8 plain b18.2.139
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 1/21/2-13x1-1/2 hex flange bolt 18-8ss w/serrations b18.2.116486
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 11/2-13x1 hex flange bolt 18-8ss with serrations b18.2.12883
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 2 1/21/2-13x2-1/2 hex flange bolt 18-8ss w/serrations b18.2.11152
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Marine FastenersFLFlange Screw w/o serr. (Frame Bolt)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/41/2-13x1-3/4 hex flange bolt 18-8ss w/serrations b18.2.12000
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/21/2-13x1.5 hex flange bolt grade 8 b18.2.1110
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General FMIFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-13 x 2.001/2-13x2.00 flange hex hd bolt w/knurl b18.2.1373
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General FMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 1 1/41/2-13x1.250 hex flange blt gr8 phos b18.2.135
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OSSCORIFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Clear1/2-20 x 1 3/41/2-20x1 3/4 flange bolt grade 8 plated b18.2.16
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2 x 31/2x3nc grade 8 flange bolt b18.2.125
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2 x 2 1/21/2x2 1/2nc gr8 flange bolt b18.2.1135
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 1 1/4.50-13x1.25 gr8 flange blt 360rp yzp b18.2.19577
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 1 1/41/2-20 x 1 1/4 hex flange bolt g8 phos b18.2.12398
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 1/21/2-13 x 1-1/2 hex flange bolt gr 8 b18.2.112000
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 1 3/41/2-13 x 1-3/4 hex flange bolt gr 8 b18.2.14896
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 3 3/41/2-13 x 3 3/4 hex flange bolt g8 phos b18.2.11050
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 21/2-20 x 2 hex flange bolt gr 8 phos/oil b18.2.16025
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-20 x 3 3/41/2-20 x 3 3/4 hex flange bolt g8 phos b18.2.12950
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QFCTXFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-20 x 1 1/21/2-20 x 1-1/2 hex flange bolt gr 8 b18.2.12409
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelZinc/Yellow1/2-13 x 1 1/21/2-13 x 1 1/2 flange bolt (frame bolt) zinc & yel b18.2.150
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-13 x 11/2-13 x 1 flange bolt (frame bolt) b18.2.158
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-20 x 11/2-20 x 1 flange bolt (frame bolt) b18.2.150
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Bostwick INFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-13 x 3/41/2-13 x 3/4 flange bolt (serrated) b18.2.136
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JET FITTINGCAFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/21/2-13x1 1/2 serrated hex flange screws unslotted grade 5 zinc quantity 300 b18.2.1100
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WurthOntFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/2-13nut hx flange (zn) 1/2-13 b18.2.1494
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THRDFASTFLFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2hex fl/b b18.2.150
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)SteelZinc/Clear1/2-13 x 2hex fl/b b18.2.1100
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)Grade 8Zinc/Yellow1/2-13 x 1gr8 hex fl/b z&y b18.2.130
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2nf-20x2 gr8 hex fl/b b18.2.120
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THRDFASTTNFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 3/4gr8 hex fl/b b18.2.145
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THRDFASTALFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2 1/2hex fl/b b18.2.1153
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THRDFASTMSFlange Screw w/o serr. (Frame Bolt)Grade 5Zinc/Clear1/2-13 x 1 1/2hex fl/b b18.2.150
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KBSTNFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-20 x 2 1/41/2-20 x 2 1/4 twelve pt flange bolt b18.2.166
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THRDFASTMSFlange Screw w/o serr. (Frame Bolt)Grade 8Plain1/2-13 x 2hex fl/b b18.2.1110
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WSBKYFlange Screw w/o serr. (Frame Bolt)SteelZinc/Yellow1/2-20nut hex flange top lck st (zy) 1/2-20 b18.2.13,669
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13 x 2-1/2 316 stainless hex flange screw dfar usa b18.2.1111
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13 x 1-3/4 316 stainless hex flange screw dfar usa b18.2.158
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 2 1/41/2-13 x 2-1/4 gr 8 phos oil hex flange screw b18.2.1205
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 2 1/41/2-13 x 2-1/4 gr 8 phos oil hex flange screw b18.2.1205
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13 x 1-3/4 316 stainless hex flange screw dfar usa b18.2.158
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13 x 2-1/2 316 stainless hex flange screw dfar usa b18.2.1111
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 2 1/41/2-13 x 2-1/4 gr 8 phos oil hex flange screw b18.2.1205
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MMFMIFlange Screw w/o serr. (Frame Bolt)Grade 8Phosphate1/2-13 x 2 1/41/2-13 x 2-1/4 gr 8 phos oil hex flange screw b18.2.1205
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13 x 1-3/4 316 stainless hex flange screw dfar usa b18.2.158
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13 x 2-1/2 316 stainless hex flange screw dfar usa b18.2.1111
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 1 3/41/2-13 x 1-3/4 316 stainless hex flange screw dfar usa b18.2.158
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MMFMIFlange Screw w/o serr. (Frame Bolt)316, 317, A4 StainlessPlain1/2-13 x 2 1/21/2-13 x 2-1/2 316 stainless hex flange screw dfar usa b18.2.1111
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All SizeTXFlange Screw w/o serr. (Frame Bolt)SteelPlain1/2-13 x 41/2-13 x 4 frame bolt b18.2.162
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All SizeTXFlange Screw w/o serr. (Frame Bolt)SteelZinc/Yellow1/2-13 x 11/2-13 x 1 frame bolt yellow zinc b18.2.1396
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