Item No.: P09Y7031

.Drill bit hole saw set is made of 4241HSS(high speed steel); 

.Through a special heat treatment, the hole saw drill bit set with sharp edge, high strength; 

.Hole saw is able to cut clean, round holes in stainless steel, mild steel, iron, aluminum plate, alloy plate,  plastic sheet, copper, brass and etc; 

.Size:16、18.5、20、25、30mm