12 PT Cap Screw Counterbores

Cap screw counterbores are tools used to enlarge the installation hole for socket head screws to allow for a seamless, flush finish. 12-point counterbores use a high torque to widen the installation hole and form a recess with a flat bottom to ensure the socket head screw rests flatly and securely on the fastened material. Priority Products offers cap screw counterbores made from black oxide in various lengths and diameters and with thread sizes ranging from 10 to 24 to ensure you find the right counterbore for your project needs.

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