#5 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 1-3/8" by 1/8") - High Performance & Durable Cutting Tool | Drill America Drill Bits Thread Size: 7/8"

Thread Size: 7/8"

000 PSI tensile strength capacity

Compatibility: Fits standard sizes of Sawyer Quick Set Beveling Machines

this premium coverall provides essential protection without sacrificing comfort or mobility

#5 HSS Black & Gold Quick Change Hex Shank Step Drill Bit (1/4" - 1-3/8" by 1/8") - High Performance & Durable Cutting Tool | Drill America Drill Bits Thread Size: 7/8"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"