5pcs Set of 1 mm diameter GRIT 60 Diamond Coated HSS Twist Drill Bits For STONE

5pcs Set of Metric 1 mm diameter GRIT 60 Diamond Coated HSS Twist Drills Bits For STONE

5 pcs Set of 1 mm diamond coated Grit 60 twist drill bits.

Dimensions

Shank diameter: 1 mm
Diamond Coating length: 10 mm.
Overall length: 35mm

Please note: Because of diamond coating, Hole diameter may be bigger

Great for stone and glass

Please use a lot of coolant (water is ok) on drill bit and work area, otherwise the drill bit will burn.

( GLS - 903 )