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4 1/2 inch length 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

8 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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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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BHAMAL12 Point Flange Screw (CounterBore)SteelPlain1 1/8-7 x 4 1/21-1/8-7x4-1/2 12 pt counterbore bolt b18.2.148
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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 b18.2.157
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AbabaCA12 Point Flange Screw (CounterBore)SteelPlain7/8-14 x 4 1/27/8-14 x 4 1/2 inch 12 point cap screw alloy b18.2.19
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/2fine 12-point fl/b b18.2.120
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ASMCIL12 Point Flange Screw (CounterBore)SteelPlain3/8-24 x 4 1/23/8-24x4 1/2 fine 12-point flange screw alloy pln b18.2.16
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain5/8-18 x 4 1/25/8-18 x 4-1/2 12 point flange bolt plain b18.2.11
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All SizeTX12 Point Flange Screw (CounterBore)SteelPlain3/8-16 x 4 1/23/8-16 x 4-1/2 12 point flange bolt plain b18.2.1331
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