This kind of bush hammering rollers with support is very popular in Australia and USA.
APPLICATIONS:
1. To create anti-slip surfaces.
2. To remove old glue and resin coatings, in particular thick resins.
3. To use as a scarifying machine with the advantage that it is aggressive but gentle enough not to “dig” uncontrollably into the floor surface.
4. For floor preparation before laying new coatings.
5. To expose the aggregate in concrete floors to prepare for concrete polishing.

Inner hole: 12mm
Outer hole:45mm
Grain No. : 45