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ANSI B18.2.1 12-Point Flange Screw by Material, Finish and Size
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
Search thousands of US/Imperial fasteners by ASME specification, including ASME b18.2.1 Counterbore Screws, in the FCH Sourcing Network database of first-run, surplus, odd lot, slow-moving and hard to find fasteners.
ASME b18.2.1 Counterbore Screws by Imperial/ Sizes
Counterbore Screws are available on the FCH Network with imperial diameters that range from 1/4 to 1 1/2, and with lengths that range from 1/2 to 10.
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ASME b18.2.1 Counterbore Screws by Materials
ASME b18.2.1 Counterbore Screws are available on the FCH Network in materials that range from Steel to Superalloy (Inconel, Hastelloy, Alloy 20).
ASME b18.2.1 Counterbore Screws by Coatings/Finishes
ASME b18.2.1 Counterbore Screws are available on the FCH Network in finishes or coatings that range from Plain to Phosphate.