3 Piece HSS Black & Gold Step Drill Bit Set (Sizes #1 to #3) - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files Pockets: Multiple pockets for convenient

Pockets: Multiple pockets for convenient storage

high-quality cuts are essential

" - Mike T

5 inches to 20 inches diameter

Material: Lightweight aluminum

3 Piece HSS Black & Gold Step Drill Bit Set (Sizes #1 to #3) - High Performance & Durable Cutting Tool | Drill America Burs & Rotary Files Pockets: Multiple pockets for convenientStep 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 are Black and gold surface treated. Product