PFERD HSS step drill set SET STB HSS 3 25201046

The set contains three HSS step drills in the versions 4-12 mm (9 steps), 4-20 mm (9 steps), 4-30 mm (14 steps) for industrial use. All step drills have a three-faced shaft for safe torque transmission. The break-proof plastic box protects the tools from dirt and damage. The fixing of the HSS step drills makes it easier to select and remove the tools.