... 3.Better chips clearance 4.High precise drilling Bimetal Hole Saw isdesigned to cut accurate holes in various kinds of ... electric drill, air tools, hydraulictools, drill presses, lathes, boring mills, milling machines.Features1. Featuring the high speed steel edge offers ... or pneumatic tools, vertical drill machines, lathe machine, boring mills.5. Supplied in various width, tooth type, and tooth ...