Makita P-19635 HSS Groundpoint Standard Straight Shank Drill Bit 12 x 151mm The Makita P-19635 HSS Groundpoint Straight Shank Drill Bit is ideal for applications such as use on steel, cast iron, aluminium, malleable cast iron, brass and copper as well as mild steel and wood. Features: These bits have a 118º ground point for fast and accurate drilling They are milled from a solid steel form which means a higher level of strength and precision Ideal for use on steel, cast iron, aluminium, malleable cast iron, brass and copper aided with a helicoidal flute to improve swarf discharge Conform to DIN338 standard Specification: Diameter (D): 12 mm Overall Length: 151 mm Working Length: 101 mm Pack Quantity: 1