12" Long High Speed Steel Drill Bits - U.S.A.

12" Flute Length
Heavy Duty 135 degree Split Point
Gyroidal Torsion flute and wide land construction yield exceptional performance in deep hole drilling applications
Recommended for work hardening grades of stainless steel and other hard metal drilling operations
Will drill 12 or more diameters deep without drill removal to clear chips. Feed rates may be twice that of standard drills