Product Review
The Neiko Quick Change Titanium Spiral Grooved Step Drill Bit is constructed of HSS and titanium nitride coating. Features 3 step drill bits with the following corresponding sizes: 13 Step Drill (1/8, 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 13/32, 7/16, 15/32, 1/2-inch) 6 Step Drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2-inch) and 12 Step Drill (3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8-inch)










