
Bosch Professional, Bosch HSS-AlTiN Step Drill Bit 4mm - 20mm
Brand: Bosch Professional in Power Tools
The step drill bit is made of HSS (high-speed steel) and coated with AlTiN (Aluminium Titan Nitride). It thus offers the maximum lifetime possible and does not require the use of a coolant. Easily visible and durable markings of the hole diameter are







