5 Piece HSS Black & Gold Step Drill Bit Set (Sizes #1 - #5) - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories ⭐⭐⭐⭐⭐ "I've been using Harris

⭐⭐⭐⭐⭐ "I've been using Harris products for years

Cutting Depth: 3/16"

Size: 1-1/8"-12

Drill America - 1-1/16-24 UNS HSS Taper Tap

5 Piece HSS Black & Gold Step Drill Bit Set (Sizes #1 - #5) - High Performance & Durable Cutting Tool | Drill America Replacement Parts & Accessories ⭐⭐⭐⭐⭐ "I've been using HarrisStep 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