Performance:This hole saw kit has an alloy steel base,a high-strength carbide (TCT) insert and supplemented with wear resistant titanium coating to improve hardness and wear resistance
Fast cut:The tungsten carbide cutter head is designed with three outer,middle and inner blades to achieve efficient layered cutting;the blade is sharper,effectively reducing chipping and wear,and can quickly cut clean and smooth round holes
Adaptation machine:This carbide hole saw kit is compatible with a variety of drilling equipment,including bench drills,magnetic drills,gun drills,impact drills and CNC drilling machines