3 Pcs Titanium Step Drill BitsStep Drill BitsStep Drill
Features: High Speed Steel, Titanium Nitride Coated This Compact Set Replaces 28 Individual Drill Bits - Sizes: 6 Step Drill Bit From 3/16" To 1/2": 3/16, 1/4, 5/16, 3/8, 7/16 & 1/2 Inch 9 Step Drill Bit From 1/4" To 3/4": 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16 & 3/4 Inch 13 Step Drill Bit From 1/8" To 1/2": 1/8, 5/32, 3/16, 3/16, 7/32, 1/4, 9/32, Two-Flute Design For Faster, Smoother Cutting Automatically Deburrs Holes As You Drill
Brand: Unknown