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 hammers 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