Download Our Full Catalog
Download Our Mini Catalog
Brown Aviation Tool Supply, LLC 2536 SE 15th Street Oklahoma City, OK 73129 Toll Free 800-587-3883 (US & Canada) Local 405-688-6888
Rollover image to zoom
High-speed steel counterbores come with 1/4" shank and can be used in drill presses or hand drill motors. Special four-flute design permits quick cutting. Pilots are interchangeable.
BAT4015-9 7/8" diameter with a 3/16" pilot hole