Designed to drill holes using percussive devices, e.g. for junction
boxes, in walls made of industrial-grade concrete, silicates and
other, hard materials.
• made of steel resistant to high-temperature deformations
• do not lock in the hammer’s grip, easily replaceable
• high blade quality
• monolithic structure guarantees strength and longer service life
(improved torque transfer, compared to twisted counterparts)
• side holes for knocking out jammed material from inside the crown
• wedge for easy disassembly of pilot drill bit
• length: 280 mm
• a centric pilot drill bit included in the set