0.8-3mm Diamond Coated Tipped HSS Twist Drill Bit For Glass Jewellery Jade Stone

Material: diamond coated & HSS(High speed steel). 0.8 - 3mm Diamond Coated Twist Drill Bit For Glass Jewellery Jade. -Suitable for jewellery， gemstone， jade and pearl etc. -High quality straight shank diamond coated twist drill bit.

eBay