HSS hole saw for stainless steel, metal, plastic

About Product:Blade, blade imported HSS9341 of high speed steel grinding together. Novel design, smooth without burrs out of hole, save time and effort. 1 after special heat treatment, edge sharp, strength very high 2 edged tooth Department computer points degrees, high-speed grinding forming 3 has precision high, cutting smooth, special anti-impact, wear sex good 4 cutting black, nonferrous metals effect very better, also can processing 3mm following of stainless steel Board 5 can in rugged of artifacts Shang cutting, for example various pipeline Shang open hole 6 on chilled material cutting Shi should depending on edge temperature raises ling is liquid