【Specification】Shank size: 3/8” ; Total length: 3-1/2” ; Round shank, cemented carbide cutter and solid hardened steel body
【High-Qulity Meterial】Drill Bit Kit was made of high quality steel, this increased longevity; Tungsten carbide cutting tip with special heat treatment for sharp cutting edge, high hardness, non-burrs and durable use. Arc curve design head for easy chip-removal, more efficient perforation
【Easy to Use】Can be easily re-sharpened. Makes existing holes larger with extreme ease and bore circles of many different sizes. Hex shanks make sure these bits stay securely fastened within your drill or drill press
【Application】Suitable for drilling precision holes on wood and plastic. Great for high speed drilling on cutting wood, plywood, solid wood boards, MDF, plastics, fiberglass etc. Works great with handheld drills and drill presses