Counterbores - Pilots

Counterbores – Pilots

Aircraft Counterbores or spotfacers are used to assure a flat seating surface for fasteners or mating parts that are 90° to the axis of the hole. Counterbores are furnished without a ”corner radius” unless specified. Solid carbide and carbide-tipped counterbores, reverse countersinks, and reverse spotfacers are also available on request.

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