NEIKO 10182A Titanium Step Drill Bit | 13 Step Drill Bit Sizes 1/8 inch to 1/2 inch | High-Speed Steel and Titanium Nitride Coating | Two-Flute Design

NEIKO 10182A Titanium Step Drill Bit, High-Speed Alloy-Steel Bit, Hole Expander for Wood and Metal, 13 Step Sizes from 1/8 Inch to 1/2 Inch

DEWALT Step Drill Bit, Impact Ready, 1/8-Inch-1/2-Inch (DWA1783IR)

Tap Magic 30004P ProTap Cutting Fluid, 4 oz. Size