The sintered diamond head of these twist drills are made up completely of a diamond matrix. Ideal for cutting hard material, lasts MUCH longer than a standard steel twist drill. These Diamond drills are designed for aggressive and faster drilling for higher productivity and time saving Extremely durable, long lasting and economical. - Glass, Jewelry, Lapidary & Lab Sintered Diamond Bur - Diamond rotary instrument for precision work - Ideal deterioration and finishing of surface applications
Pack of 6 assorted sizes 1.2, 1.5, 1.8, 2.0, 2.5, 3.0mm
