0.8mm-2.5mm HSS Diamond Coated Twist Drill Bits For Jewellery Glass Tile Stone

● Material: HSS(High speed steel) & Diamond Coated. ● High quality straight shank diamond coated twist drill bit. ● Drill Bit Size: 0.8mm,1.0mm,1.2mm,1.5mm,2.0mm,2.5mm. ● All working length is diamond coated.

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