Dormer E65412 28 Series E654 HSS UNC 30 Spiral Flute Combination Drill Tap, Bright Finish, #12 x 77mm

Combined drill and Tap - designed to drill and tap through holes in one operation Steam Tempered finish - prevents work piece material from sticking to the cutting edge Premium HSS material - high speed steel provides superior performance and extend tool life increased efficiency - reduces the number of tools required for the operation Versatile product - can be used for drilling and tapping shallow through holes by machine and by hand