Champion Cutting CS6X #1 6" Aircraft Extension Drill Bits 135 degree split point Black oxide treated HSS Single piece construction. Flute length is the same as a standard jobber drill
Champion - Bit Stub - 1/2 - Cobalt Referred to as screw machine drills Short flute; overall length increases their rigidity, resulting in better hole accuracy and extended tool life
Drillco 1100A108 Aircraft Extension Bit 1/8" X 6"
Surface treated with jobber flute lengths for drilling holes in hard to reach places
Heavy duty construction for portable or machine...