9-16-13-16-cryo-step-reamer-5-steps-3-8-shank-with-3-flats

Multi-Tool Design – Cuts, deburrs, enlarges and realigns holes in a full range of shop metals like steel and aluminum up to 1/2" thick.
Durability – Cryophase™ process make the Cryo Step Reamer more durable and flexible, allowing for longer use in less than ideal conditions.
Deep Cutter – Cuts up to 1/2" in depth in a variety of shop metals.
Controlled Sizing of Hole – Step bit design allows for maximum control of hole size.
Double Flut – Provides smoother cuts, efficient chip removal and deburring.
3/8" Shank with 3 Flats – Heavy duty non-slip shank extends tool life and provides improved cutting efficiency even in tough hardened materials.
Hardness – 62-64Rc