Bosch DIN338 High Speed Steel Drill Bit 3.5 x 70mm

High quality and special heat treated High Speed Steel Drill Bits provides additional strength and toughness These High Speed Steel Drill Bits are extremely durable thanks to their strength properties and therefore offer a longer operational lifespan Designed for drilling in steel, cast steel , grey cast iron, spheroidal graphite iron, sintered metal and low hardness alloyed metals