Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 11/32 in Dia x 3 in Specialty Applicators parabolic flute design improves chip

parabolic flute design improves chip ejection in metal & wood drilling applications

GTH head will replace the following: EH3

please see the line drawing

The consistent finish of the screen gives it an architect-pleasing appearance

Irwin Cobalt Alloy High Speed Steel Fractional Straight Shank Jobber Length Drill Bits 11/32 in Dia x 3 in Specialty Applicators parabolic flute design improves chipConstructed of M 35 5 percent cobalt alloy high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting lips reduce torque for drilling in high tensile strength materials. 135 degree split point reduces feed pressure for easier penetration without work hardening