#4 HSS Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files and safety features

and safety features

Heavy-duty hex shank designed for portable pneumatic tools

FR cotton fabric that self-extinguishes and doesn’t melt when exposed to flame

Designed to fit all standard sizes of the Sawyer Compact Beveling Machine

#4 HSS Quick Change Hex Shank Step Drill Bit (3/16" - 7/8" by 1/16") - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files and safety featuresStep drills have single radial concave flutes to create a perfectly round hole in metal, plastic wood and other thin materials without center punching. Constructed of industrial grade high speed molybdenum steel, heat treated and temperature for long life. Self starting tip. No center punching needed. Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials. They have a bright finish with a 1 4" quick change