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Aircraft counterbores or spotfacers are used to assure a flat seating surface for fasteners or mating parts that are 90 degree to the axis of the hole. Size: 11/16” Pilot Hole: 3/16”
Counterbores (1/4” In Shank) Description
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.
| Size | 11/16'' |
|---|---|
| Pilot Hole | 3/16'' |
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.
| Size | 11/16'' |
|---|---|
| Pilot Hole | 3/16'' |











