20 Mixed Metric Diamond Coated HSS Twist Drill Bits

20 Mixed Metric Diamond Coated HSS Twist Drill Bits

Includes 5 units of each size:

(5) 1mm Diameter HSS Twist Drill, Shank: 1mm, Diamond Coating Length: 10mm, Overall Length: 30mm.

(5) 1.5mm Diameter HSS Twist Drill, Shank: 1.5mm, Diamond Coating Lenght: 19mm, Overall Lenght: 38mm.

(5) 2mm Diameter HSS Twist Drill, Shank: 2mm, Diamond Coating Lenght: 19mm, Overall Lenght: 42mm.

(5) 2.5mm Diameter HSS Twist Drill, Shank: 2.5mm, Diamond Coating Lenght: 26mm, Overall Lenght: 55mm.

Great for glass, marble, tile or rock.                

Please use a lot of coolant on drill bit and work area, otherwise the drill bit will burn.