Imperial 82683 Aircraft Extension Drill Bit, 3/8" Combination Resettable Feed Once & You're Done

Feed Once & You're Done

Size: 5-1/2" x 1/2"

Extends engine life

Length : 14 inch

Cups nest together for organized storage

Imperial 82683 Aircraft Extension Drill Bit, 3/8" Combination Resettable Feed Once & You're DoneAircraft extension bits are used for drilling holes in hard to reach places because of their 12" length. National Aerospace Standard 907 type B, type A243 specifications. The 135 split point eliminates the need for center punching. This drill bit will not "wander", not even on curved surfaces. Shanks are spring tempered to prevent bending. Jobber length flutes. Highlights: Drill Size: 3 8" Overall Length: 6. 0000" Decimal Equivalent: 0. 3750 Shank