5 Piece HSS Black & Gold Quick Change Hex Shank Step Drill Bit Set (Sizes #1 to #5 BoltsandNuts.com STI Tap: 5/8"-18 STI

STI Tap: 5/8"-18 STI

Length Under Head: 6-1/2"

Part Number DWDTL49/64

Tap Drill Size 6

creating a secure lock under heavy force • Jaw Teeth – The jaws have fine teeth in the front and back for controlled gripping on flat surfaces

5 Piece HSS Black & Gold Quick Change Hex Shank Step Drill Bit Set (Sizes #1 to #5 BoltsandNuts.com STI Tap: 5/8"-18 STIProduct Description 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