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3/4 Counterbore Screws (ASME B18. 2.1)

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

32 results, (click on any line for more information)

Search Results Sponsored by Metric Threaded Products, Inc., your source for 12 Point Flange Screws. For more results, visit   www.metric-threaded.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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BHAMAL12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/23/4-10x3-1/2 12 point counterbore bolt b18.2.120
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BHAMAL12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 1 1/23/4-10x1-1/2 12 point counterbore bolt b18.2.1197
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 63/4-10 x 6 inch 12 point cap screw alloy b18.2.123
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 1 1/23/4-16 x 1 1/2 12 point cap screw alloy b18.2.125
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/23/4-10 x 3 1/2 12 point cap screw alloy b18.2.120
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 103/4-16 x 10 12 point cap screw alloy b18.2.110
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 3 1/23/4-16 x 3 1/2 12 point cap screw alloy b18.2.112
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GLFOH12 Point Flange Screw (CounterBore)Superalloy (Inconel, Hastelloy, Alloy 20)Plain3/4-16 x 4 1/23/4-16x4-1/2 12-pt flange bolt 17-4 ph s/s b18.2.1 () () ()50
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 1 1/23/4-16x1 1/2 fine 12-point flange screw alloy pln b18.2.115
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 2 1/43/4-16x2 1/4 fine 12-point flange screw alloy pln b18.2.115
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 2 1/23/4-16x2 1/2 fine 12-point flange screw alloy pln b18.2.115
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 3fine 12-point fl/b b18.2.144
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 3/43/4-10x3 3/4 coarse 12-point flange screw alloy pln b18.2.115
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QFCTX12 Point Flange Screw (CounterBore)SteelZinc/Clear3/4-10 x 23/4-10x2 ferry head c/s 170ksi mech zinc mtrs must show hrc 37-45 and chemistry b18.2.174
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General FMI12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 2 3/43/4-10x2.75 12 pt ctbr scr b18.2.1900
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OSSCORI12 Point Flange Screw (CounterBore)Grade 8Plain3/4-10 x 43/4-10x4 ferry ctrbore cap screw gr8 b18.2.130
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QFCTX12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 2 1/23/4-10x2 1/2 ferry head c/s 170ksi plain mtrs showing hrc 37-45 and chemistry reqd b18.2.12
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QFCTX12 Point Flange Screw (CounterBore)SteelZinc/Clear3/4-10 x 2 1/23/4-10x2 1/2 ferry cap screw 170ksi mech zinc mtrs showing hrc 37-45 and chemistry reqd b18.2.180
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Bostwick IN12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 2 1/43/4-10 x 2 1/4 12 pt. counterbore screw alloy b18.2.14
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Bostwick IN12 Point Flange Screw (CounterBore)SteelZinc/Yellow3/4-16 x 1 3/43/4-16 x 1 3/4 12 pt. counterbore screw alloy zinc yellow b18.2.14
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THRDFASTOK12 Point Flange Screw (CounterBore)SteelPlain3/4nf-16x3 12 pt counterbore screw b18.2.1110
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THRDFASTAL12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/212 pt counterbore screw b18.2.130
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WSBKY12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 8q/screw 12pt flange st (xyl) 3/4-10x8 b18.2.113
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WSBKY12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/2screw countrbr 12pt all 3/4-10x3 1/2 b18.2.1712
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WSBKY12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 3 1/4screw 12pt flange alloy (pl) 3/4-10x3 1/4 b18.2.1100
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WSBKY12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 4screw 12pt flange alloy (pl) 3/4-10x4 b18.2.1441
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WSBKY12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 4screw 12pt flange alloy (pl) 3/4-10x4 b18.2.1347
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 2 3/43/4-16 x 2 3/4 12 point flange bolt plain b18.2.1115
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 3 1/23/4-16 x 3 1/2 12 point flange bolt plain b18.2.134
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 2 3/43/4-10 x 2 3/4 12 point flange bolt plain b18.2.1177
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/4-10 x 1 1/23/4-10 x 1 1/2 12 point flange bolt plain b18.2.1160
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/4-16 x 2 1/43/4-16 x 2 1/4 12 point flange bolt plain b18.2.112
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