7PCS 3-12mm Drill Bits Set Kit For Drilling Glass Tile Ceramic Plastic Porcelain

Details: *100% brand new and high quality. *It has strong toughness and wear resistance. *Incision resistance are small increase the opening speed long service life. *This drill bits will drill without chipping or cracking the material when properly used. *Industrial grade Coated Carbide Point with 4 Cutting edges. *Can be installed in the hand drill electric drill. *Suitable for Ceramics granite tiles stone wood plastic concrete wall to drilling hole. *Ease start and fast smooth and accurate drilling. *Spear head design reduced breakout. *This drill bit is very sharp and will easy start on soft and hard materials. *When used dry - do not overheat and do not put extra pressure on bit. *Use of coolant is very important and will increase drilling speed and working life. *Color: Silver (As Pictures Show) *Material: Carbide *Drill diameter:3mm 4mm 5mm 6mm 8mm 10mm 12mm (Approx.) Package Contents: 7*Drill bits (3mm 4mm 5mm 6mm 8mm 10mm 12mm) Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.