3 Pc. Titanium Step Drill Bit Set SAE Metal Drilling Bits

This Compact Set Replaces 28 Individual Drill Bits Manufactured With Heat Treated High Speed Steel (HSS) Coated With Titanium Nitride Two Flute Design For Faster, Smoother Cutting For Drilling Holes in Thin Material Such as Steel, Stainless Steel, Copper, Aluminum Self-Starting No Walking Center Punch is Not Required 3/16" to 1/2" Six Step Bit, 1/4" Shank 1/4" to 3/4" Nine Step Bit, 1/4" Shank 1/8" to 1/2" Thirteen Step Bit, 3/8" Shank Metal Storage Case