#3 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 3/4" by 1/16") - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories Why Choose Drill America -

Why Choose Drill America - 1-5/16-14 UNS HSS Tap Set

Drill America - 9/16-1 5 Piece HSS Reduced Shank Drill Bit Set Plastic Case Pouch

Thread Length: 2-9/16"

Radians Neese DH Air 5

easy adjustability

#3 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 3/4" by 1/16") - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories Why Choose Drill America -Step 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 with a 1 4"