Type J Cobalt 6” Extension Aircraft Drills
Type “J” 6” aircraft extension 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 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.
Our fractional size type "J" drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. These 6" long extension drills are furnished with a 135 degree split point to NAS specifications and are treated with a bronze oxide for wear resistance and identification.
Our wire gage size type "J" drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. These 6" long extension drills are furnished with a 135 degree split point to NAS specifications and are treated with a bronze oxide for wear resistance and identification.
Our letter size type "J" drills made from heat resistant cobalt steel are heavy duty construction for drilling high temperature and high strength alloys. These 6" long extension drills are furnished with a 135 degree split point to NAS specifications and are treated with a bronze oxide for wear resistance and identification.