1/2-20 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)SteelZinc/Clear1/2-20 x 2 1/21/2-20 x 2 1/2 alloy zn 12 pt flange screws100
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-20 x 1 1/41/2-20 x 1 1/4 alloy zn 12 pt flange screws300
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Cal FastenrsCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1- 12-pt fl/b50
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1nf ferry c/s15
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 11/2-20 x 1 12 point flange bolt alloy plain b18.2.130
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-20 x 1 1/41/2-20 x 1 1/4 alloy zn 12 pt flange screws300
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/4fine 12-point fl/b b18.2.121
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-20 x 1 1/4gr8 12pt hd fl/b50
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/2nf 12 pt fl/b pl17
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/2nf ferry c/s15
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-20 x 1 1/2gr8 12pt hd fl/b50
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4fine 12-point fl/b b18.2.1195
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4nf 12 pt fl/b pl45
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AFPIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/412point counterbore bolt202
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4nf ferry c/s42
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FastenalTN12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/41/2-20 x 1-3/4 12 point flanged plain finish alloy steel ferry cap screw | (01d1314/nc039) b18.2.147
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/412 pt countr-bor plain 1/2-20 x 1 3/4120
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4counter bor bolt ferry120
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/412 pt countr-bor 1/2-20x1 3/4120
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 21/2-20 x 2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 21/2-20 x 2 12 point cap screw alloy b18.2.15
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2nf 12 pt fl/b pl20
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2nf ferry c/s27
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-20 x 2gr8 12pt hd fl/b48
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B & K FASTPA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 12 pt flange bolts b18.2.165
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Clear1/2-20 x 2 1/21/2-20 x 2 1/2 alloy zn 12 pt flange screws100
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2nf 12 pt fl/b pl13
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2nf ferry c/s64
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2fine 12-point fl/b40
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System 22PA12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Silver1/2-20 x 2 1/2inconel 71830
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Spring BoTX12 Point Flange Screw (CounterBore)Grade B7MPlain1/2-20 x 2 1/21/2(20-nf) x 2-1/2 flange screw 12 point b7m b18.2.1 b18.2.1 usainquire
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Spring BoTX12 Point Flange Screw (CounterBore)Grade B7MPlain1/2-20 x 2 1/21/2(20-nf) x 2-1/2 flange screw 12 point b7m b18.2.1 usainquire
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WeaverWA12 Point Flange Screw (CounterBore)Grade 8Plain1/2-20 x 2 1/2gr8 12pt hd fl/b50
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 3/4nf 12 pt fl/b pl30
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 3/4fine 12-point fl/b135
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GLFOH12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-20 x 2 3/412-pt flg bolt 17-4 ph s/s100
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METRO INDOH12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3counterbore sae15
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 31/2-20x3 fine 12-point flange screw alloy pln b18.2.115
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3nf 12 pt fl/b pl24
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R&SOR12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 31/2-20 x 3 12 pt flange screw alloy12
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System 22PA12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain1/2-20 x 3inconel 71811
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3 1/21/2-20x3 1/2 fine 12-point flange screw alloy pln10
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4nf 12 pt fl/b pl1
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4fine 12-point fl/b15
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4fine 12-point fl/b20
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4 1/2fine 12-point fl/b20
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 5 1/2fine 12-point fl/b10
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 61/2-20 x 6 12 point cap screw alloy23
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WurthIN12 Point Flange Screw (CounterBore)Grade 9Plain1/2-20 x 7.791/2-20 x 7.79 countr-bor per print grd 9 114154-0273,976
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