Our best hammer drill for extreme requirements in concrete and natural stone.
The perfect hammer drill bit for extreme requirements in concrete and natural stone. The ProXtreme from Heller impresses with its long service life, excellent positioning behavior, and strong performance. The optimal tip geometry and the high-volume helix design enable very high speed drilling. Thanks to the ground carbide tip and high-strength brazed joint, the ProXtreme can be used in a wide range of applications. Furthermore, the blasting technique used by Heller ensures extremely good performance characteristics and high break resistance. This drill bit also has a "Tri" shank to prevent the bit slipping in the chuck. Tips and tricks for professional use: Click here for the Heller video tutorial
Powerful. Durable. Convenient: The multi-talent for concrete and all natural stone types with superior performance
Longest service life and excellent positioning behaviour
3-edged "Tri" shank prevents slipping in the drill chuck
A wide range of applications and perfect centring thanks to ground carbide plate and high-strength tip soldering
Specially designed for challenging drilling, e.g., in concrete, granite, marble and vertically perforated bricks
Extremely high speed thanks to optimal tip geometry and large-volume helix design
Heller curing technology ensures extreme performance characteristics and break resilience
Can be used for hammer drilling and rotary drilling
aerated & porous concrete
sand lime brick
Perfectly designed for use with cordless machines.
The special technique of hardening by blasting makes for the perfect surface finish: the probability that a Heller hammer bit will break under very high loads is extremely low – even on impact with reinforcements. Ideal, especially with long dimensions: HST hardening guarantees high bending flexibility without breaking.
Percussion-drilling in concrete, sand-lime brick, natural stone, brickwork, clinker.
All drill bits by Heller have the independent PGM certificate, assuring safe connection systems.