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
Our Threaded Shank Adapter Drills are manufactured to NAS 965 Type D Standards with 135 Degree Split Points. Cobalt Drills are for drilling hard, tough, high tensile strength materials and has a significantly longer tool life than regular High Speed Steel. Industry standard 1/4 - 28 threads. 2-1/8" overall length. Our Threaded Shank Drills are Made in the USA! Part # 11189 #12 (.1890) Long Cobalt Threaded Drill Bit
#12 (.1890) Long Length 2-1/8" Long