Hanson Irwin 3018002B SAE Cobalt M-42 Metal Index Drill Bit Set

Constructed of M-42 8 percent cobalt high speed steel for super abrasive resistance in tough metals
Cobalt steel extends cutting edge life and maintains cutting life after resharpening
Extra hard drill for greater wear
135° split point tip starts on contact, cuts with less force
Rubber overmolded case protects kit if dropped
Tap & Drill selection chart for convenient reference.
Automatic indexing for easy bit access and identification
Removable cartridges: easy to carry bits from case to worksite
Sizes include 1/16" to 1/2" in 1/64" increments