1/2-13 Counterbore Screws

12-point Flange Screws, Counterbore Screws,  Ferry Head Cap Screws or Counterbore Screws, feature a 12 point head and a flanged bearing surface. Usually fully threaded, the 12-point design provides for higher tightening torque, without edge rounding and they are covered under ASME Standard B18.2.1

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Search Results Sponsored by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit   www.metric-threaded.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 2 1/212 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 2 1/412 pt flange screw alloy200
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 1 3/412 pt flange screw alloy5,597
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 1 1/412 pt flange screw alloy100
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/41/2-13 x 1 1/4 12 pt flange bolts b18.2.125
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/21/2-13 x 2 1/2 12 pt flange bolts b18.2.125
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Cal FastenrsCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 212-pt fl/b - 12-pt fl/b100
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Cal FastenrsCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/212-pt fl/b100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 2 1/212 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 2 1/412 pt flange screw alloy200
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 1 3/412 pt flange screw alloy5,597
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 1 1/412 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 112 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 1 1/212 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 212 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 3 1/412 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 2 3/412 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 412 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 3 1/212 pt flange screw alloy100
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MTPCA12 Point Flange Screw (CounterBore)SteelBlack Oxide1/2-13 x 312 pt flange screw alloy600
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HayesCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 61/2-13 x 6 12 pt. ctrbr screw alloy15
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YANKEENH12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1.25-12-pt flange high strength screw72
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NAPPCOTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 21/2-13x2 a193 b7 ext flange c/s 12pt100
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5coarse 12-point fl/b b18.2.125
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5 1/21/2-13x5 1/2 coarse 12-point flange screw alloy pln unc5
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/4coarse 12-point fl/b44
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2coarse 12-point fl/b31
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1coarse 12-point fl/b160
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 4coarse 12-point fl/b29
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/2coarse 12-point fl/b40
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/4coarse 12-point fl/b21
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 3/4coarse 12-point fl/b50
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/2coarse 12-point fl/b46
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 21/2-13 x 2 12 point cap screw alloy b18.2.140
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 41/2-13 x 4 12 point cap screw alloy b18.2.120
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1nc ferry c/s50
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/4nc ferry c/s50
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3ferry c/s1
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5ferry c/s5
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 11/2-13 x 1 12 point cap screw alloy b18.2.115
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 12 point cap screw alloy b18.2.130
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/2ferry c/s9
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 4 1/21/2-13x4-1/2 ferry c/s10
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2ferry c/s42
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 3/4nc ferry c/s65
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/4nc ferry c/s49
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/2nc ferry c/s200
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 1 1/212 pt cntr-bor b7 grn 1/2-13 x 1 1/2100
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 2 1/412 pt cntr-bor b7 grn 1/2-13 x 2 1/478
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 1 3/412 pt cntr-bor b7 blue 1/2-13 x 1 3/4130
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 212 pt cntr-bor b7 grn 1/2-13 x 284
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EBN IndusIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 12 pt. counterbore screw alloy b18.2.114
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WDMBIA12 Point Flange Screw (CounterBore)SteelZinc/Yellow1/2-13 x 1 1/4scr 12pt flange st (zy) 1/2-13x1 1/4254
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WDMBIA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-13 x 1 1/2scr 12pt flange st (zn) 1/2-13x1 1/2312
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WDMBIA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-13 x 1 3/4scr 12pt flange st (zn) 1/2-13x1 3/4856
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/412 pt countr-bor plain 1/2-13 x 1 3/4152
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/412 pt countr-bor plain 1/2-13 x 1 1/4252
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3/412 pt countr-bor plain 1/2-13 x 3/464
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 212 pt countr-bor plain 1/2-13 x 273
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/212 pt countr-bor plain 1/2-13 x 1 1/250
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 612 pt countr-bor plain 1/2-13 x 688
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 4 1/212 pt countr-bor plain 1/2-13 x 4 1/271
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/212 pt countr-bor plain 1/2-13 x 2 1/2130
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 312 pt countr-bor plain 1/2-13 x 353
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 2 1/412 pt countr-bor a193-b7 1/2-13 x 2 1/450
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DeltaTX12 Point Flange Screw (CounterBore)Grade B7Plain1/2-13 x 2 1/212-pt bolt a193-b7 y-z 1/2-13 x 2 1/260
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CascadeOR12 Point Flange Screw (CounterBore)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-13 x 1 3/418-8ss1000
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HodellOH12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/412pt 170m psi counterbore3,000
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/2coarse 12-point fl/b6
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Spring BoTX12 Point Flange Screw (CounterBore)Grade B8MPlain1/2-13 x 3 3/41/2(13-3a) x 3-3/4 flange screw 12 point gr. b8m b18.2.1 b18.2.1 usainquire
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Spring BoTX12 Point Flange Screw (CounterBore)Grade B8MPlain1/2-13 x 3 3/41/2(13-3a) x 3-3/4 flange screw 12 point gr. b8m b18.2.1 usainquire
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OBRIENOH12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 412pt fl/b4
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MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/412pt fl/b sc-cntrbore17
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MidStatesMI12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 712pt fl/b sc-cntrbore8
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THRDFASTFL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/412 pt counterbore screw b18.2.11
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THRDFASTAL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/212 pt counterbore screw b18.2.1266
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THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/412 pt counterbore screw b18.2.144
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THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/412 pt counterbore screw b18.2.181
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THRDFASTAL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 312 pt counterbore screw b18.2.1198
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THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/212 pt counterbore screw b18.2.1310
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THRDFASTAL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/212 pt counterbore screw b18.2.119
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WSBKY12 Point Flange Screw (CounterBore)SteelPhosphate1/2-13 x 6q/screw 12pt flange all (po) 1/2-13x6 b18.2.1320
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WSBKY12 Point Flange Screw (CounterBore)SteelPhosphate1/2-13 x 1 1/4q/screw 12pt flange all (po) 1/2-13x1 1/4 b18.2.1865
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WSBKY12 Point Flange Screw (CounterBore)SteelPhosphate1/2-13 x 2 1/4q/screw 12pt flange all (po) 1/2-13x2 1/4 b18.2.14,600
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LibertyIL12 Point Flange Screw (CounterBore)Grade 8Plain1/2-13 x 1 1/412-pt hex c/s grade8 grade8350
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ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 512 point counterbore screw50
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ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/212 point counterbore screw134
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ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 4 1/212 point counterbore screw472
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ISSCOMO12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/412 point counterbore screw300
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RevcarVA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/212 pt cntrbore screw darling only- with material test reports650
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Wurth IndD.F.12 Point Flange Screw (CounterBore)SteelZinc/Yellow1/2-13 x 1 3/41/2-13 x 1 3/4 12 pt. counterbore screw yz398
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GLFOH12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-13 x 212-pt flg bolt 17-4 ph s/s100
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KomarAR12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/412 pt.counterbore scr200
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 21/2-13 x 2 12 point flange bolt plain b18.2.133
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OptimasIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 12-point c/s50
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OptimasIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 12-point c/s50
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OptimasIL12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1 1/2 12-point ferry head c/s50
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/41/2-13 x 1-3/4 countr-bor screw alloy36,596
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 1/21/2-13 x 1-1/2 countr-bor screw alloy28,027
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 3/41/2-13x2 3/4 counter-bor alloy pack 70 per poly bag3,995
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 41/2-13x4 countr-bor alloy pack 60 per poly bag1,090
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/21/2-13 x 3 1/2 countr-bor screw alloy580
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WurthIN12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 61/2-13 x 6 countr-bor alloy pack 25 per poly bag150
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1nc 12 pt fl/b pl113
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 5 1/2nc 12 pt fl/b pl5
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3 1/2nc 12 pt fl/b pl99
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 1 3/4nc 12 pt fl/b pl65
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 3nc 12 pt fl/b pl24
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 2 1/2nc 12 pt fl/b pl39
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System 22PA12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-13 x 3inconel 71830
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Alma BoltMI12 Point Flange Screw (CounterBore)SteelPlain1/2-13 x 31/2-13 x 3 12 point counterbore screw1946
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