Type J Cobalt 12” Extension Aircraft Drills
These extension aircraft drills are made from heat resistant cobalt steel and are heavy duty construction for drilling high temperature and high strength alloys. They are furnished with a 135 degree split point to NAS specifications. Treated with a bronze oxide for wear resistance and identification. These cobalt drills made to NAS 907 specifications are used in extremely tough to reach locations. Split points make starting easy and the short flute length and long flexible shank are designed for difficult to reach drilling.
These fractional size type "J" 12" long drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. They are furnished with a 135 degree split point to NAS specifications. Treated with a bronze oxide for wear resistance and identification.
These wire gage size type "J" 12" long drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. They are furnished with a 135 degree split point to NAS specifications. Treated with a bronze oxide for wear resistance and identification.
These letter size type "J" 12" long drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. They are furnished with a 135 degree split point to NAS specifications. Treated with a bronze oxide for wear resistance and identification.