GYQAZSS 20Pcs 1mm 2mm 3mm 4mm 0.8mm-4mm Diamond Coated High-Speed Steel Tipped Solid Bits Drill Twist Drills Bit Hole Saw for Jade Processing Tools

GYQAZSS 20Pcs 1mm 2mm 3mm 4mm 0.8mm-4mm Diamond Coated High-Speed Steel Tipped Solid Bits Drill Twist Drills Bit Hole Saw for Jade Processing Tools

Diameter: 0.8mm/1mm/1.2mm/1.5mm/1.8mm / 2mm/2.5mm / 3mm/3.5mm / 4mm ; Package included:20PCS . Straight shank design is more suitable for many electric drills and drilling machines . Diamond coated on sharp and twisted flute,will make the drilling be more easy and effortless . Straight shank design is more suitable for many electric drills and drilling machinesDiamond coated on sharp and twisted flute,will make the drilling be more easy and effortless.Suitable for glass, marble, tile ,jade,agate or rock.Add some water when drill a hole for better processing . Brand new and high quality ,Add some water when drill a hole for better processing . Diameter: 0.8mm/ 1mm /1.2mm/ 1.5mm/ 1.8mm/ 2mm /2.5mm/ 3mm
Material: high-speed steel
Package included:20PCS .