A 4.5mm diameter BOSCH HSS Ground Twist Drill Bits for drilling holes in alloyed and non-alloyed steel, cast steel, cast iron, sintered iron, malleable cast iron, non-ferrous metals and hard plastics. The drill bit’s exposed 135-degree self-centring split-point tip ensures perfect centring without wandering and eliminates any need to pre-punch or pilot drill for up to 10mm.

Brand Name	Bosch
Colour	None
Material	High Speed Steel
Manufacturer Model No	None
Wear Type	None
Type	Drill Bit
Certifications Met	None
Country of Origin	None
Protects From	None
Waterproof	None
Number of Pockets	None
Diameter Metric (mm)	4.5
Diameter	4.5mm
Type N (flute angle)	135° self-centring split-point tip
Working Length	47mm