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 screws200
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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 screwsstock
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Yellow1/2-20 x 4 1/21/2-20 x 4 1/2 alloy yzn 12 pt flange screwsstock
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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 screws200
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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 screwsstock
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MTPCA12 Point Flange Screw (CounterBore)SteelZinc/Yellow1/2-20 x 4 1/21/2-20 x 4 1/2 alloy yzn 12 pt flange screwsstock
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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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METRO INDOH12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3counterbore sae15
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Alpine SuUT12 Point Flange Screw (CounterBore)Grade 9Plain1/2-20 x 21/2-20x2 12 pt flange bolt plain gr921
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Alpine SuUT12 Point Flange Screw (CounterBore)Grade 9Plain1/2-20 x 2 1/21/2-20x2 1/2 12 pt flange bolt plain gr99
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WDMBIA12 Point Flange Screw (CounterBore)Grade 9Plain1/2-20 x 7.79screw 12pt flange gr9 (pl) 1/2-20x7.79 drw2,815
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WDMBIA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2screw 12pt flange all pl 1/2-20x2 1/2 drw800
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Cal FastenrsCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1- 12-pt fl/b50
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HayesCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 51/2-20 x 5 12 pt. ctrbr screw alloy35
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HayesCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/41/2-20 x 1 3/4 12 pt. ctrbr screw alloy31
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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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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 31/2-20x3 fine 12-point flange screw alloy pln b18.2.133
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 3/4fine 12-point fl/b109
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2fine 12-point fl/b40
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 5 1/2fine 12-point fl/b10
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4fine 12-point fl/b10
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 112 pt countr-bor plain 1/2-20 x 153
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/212 pt countr-bor plain 1/2-20 x 2 1/256
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DeltaTX12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/412 pt countr-bor 1/2-20x1 3/470
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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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EBN IndusIN12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 12 pt. counterbore screw alloy b18.2.152
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 11/2-20 x 1 12 point cap screw alloy b18.2.154
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/41/2-20 x 1 1/4 12 point cap screw alloy b18.2.138
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/21/2-20 x 1 1/2 12 point cap screw alloy b18.2.182
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/41/2-20 x 1 3/4 12 point cap screw alloy b18.2.134
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/41/2-20 x 2 1/4 12 point cap screw alloy b18.2.154
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/21/2-20 x 2 1/2 inch 12 point cap screw alloy b18.2.11
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 3/41/2-20 x 2 3/4 12 point cap screw alloy b18.2.120
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 31/2-20 x 3 12 point cap screw alloy b18.2.150
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3 1/41/2-20 x 3 1/4 12 point cap screw alloy b18.2.170
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3 1/21/2-20 x 3 1/2 12 point cap screw alloy b18.2.165
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 41/2-20 x 4 12 point cap screw alloy b18.2.155
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4 1/21/2-20 x 4 1/2 12 point cap screw alloy b18.2.1117
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 51/2-20 x 5 12 point cap screw alloy b18.2.145
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 5 1/21/2-20 x 5 1/2 inch 12 point cap screw alloy b18.2.127
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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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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1nf ferry c/s15
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 1/2nf ferry c/s15
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2nf ferry c/s23
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4nf ferry c/s39
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JacksonMS12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 1/2nf ferry c/s64
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AFPIL12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/412point counterbore bolt202
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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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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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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 1 3/4nf 12 pt fl/b pl45
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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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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2nf 12 pt fl/b pl20
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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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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 2 3/4nf 12 pt fl/b pl30
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 3nf 12 pt fl/b pl24
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Valley NuWA12 Point Flange Screw (CounterBore)SteelPlain1/2-20 x 4nf 12 pt fl/b pl1
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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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System 22PA12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Silver1/2-20 x 2 1/2inconel 71830
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