1.super tough high speed steel 2. M2, M2AL, M35, M42, ASP2030 etc 3.multi-cut geometry for ply-cutting and lower friction Zhejiang Xinxing Tools Co.,Ltd (CHTOOLS)We are professional manufacture of cutting tools in China, Annular cutter (core drill) is the very product developed and produced by our company. Annular cutter, hole saw, step drill and rail cutter are our main products.Our products are ...
