Cutter for cutting glass

round cut blades ( glass, glass pipe, LD, quartz etc.) are used to cut hard and brittle material ultra-high wear-resistant materials. The blade is hard and wear-resistant and sharpin the microscopic view, the blade is sharp and without gaps. It will be easy to leave traces when you draw on the glass or quartz tube and not slipOptional diamond steel has a very high anti-abrasion properties, corresponding general tungsten steel, it has 3 or 6 times life.( Can produce any products with requirements of  diameter, inner diameter, thickness, dimensional tolerances and with an unparalleled durability and sharpness) we use Tungsten steel material of Germany and equipment in Fuji of Japanese to preciously grinding and molding.