IRWIN USA Made HSS Unibit # 1M Metric Step Drill 4 - 12mm 1/4" Shank Nuts Albrecht / Jacobs U80J #80

Albrecht  / Jacobs U80J #80 Precision Keyless Drill Chuck Rebuilt kit  Jaws for Albrecht Chuck

-A must  have for extending taps for solid tapping in hard to reach areas

It has a hammer head for pounding in staples and nails

The carbide faces are super thick and the thimble moves extremely smoothly

IRWIN USA Made HSS Unibit # 1M Metric Step Drill 4 - 12mm 1/4" Shank Nuts Albrecht / Jacobs U80J #80IRWIN USA Made Unibit # 1M Metric Step Drill 4 12mm 1 4" Shank The IRWIN Unibit #1M High Speed Steel Metric Hole Enlarging Step Drill Bit is ideal for drilling holes into thin materials, such as stainless steel, copper, brass, aluminum, plastic and laminates. Each drill bit uses a single flute cutting edge that gives a true, round hole and provides greater control through steps. The hex shank helps prevent slipping in the drill chuck. The #1M drill