Aircraft Extension Drill Bit – High-Speed Steel

Part #: DBAC12-1/2 Category:

Description

NAS 907, type B. 135° split point with jobber flute length. Black oxide. For drilling applications where extra length for reach is required. Flute length is the same as a standard jobber drill. 135° split point is self-centering and reduces thrust.

Size: 1/2"
Packaging Type: Pouched
Over All Length (OAL): 12"
Flute Length: 4-1/2"
Decimal Equivalent: 0,5000