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

Counterbore Screws Diameters

Counterbore Screws are available on the FCH Network with Imperial/US diameters that range from #0 to 2 and with Metric diameters that range from M1 to M30. The length of Counterbore Screws is usually measured from the point to the underside of the head.

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