hammering Belgium

...The dynamic penetration test is undoubtedly the oldest of the in situ geotechnical tests, and its use is recommended for granular or powdery soils (sand, gravel, stones, etc.) with a diameter greater than 20 mm. Dynamic penetration tests involve driving a series of smooth rods into the ground by means of a hammer, which has a known cross-section tip at its end. The hammering is performed by a...

...Accessories BOSCH GBH2-28 DFV The most powerful in its category! * Interchangeable chuck for quickly switching from hammer drilling in concrete to drilling without hammering in wood and metal * Rotation stop for chiseling * Power cable with rotating ball * Rotating brush plate for equal power in both right and left rotation * Safety clutch for user and machine protection * Right/left...