Vacuum brazed technology for superior performance and longer life. _x000D__x000D_
Suitable for wet/dry applications on vitrified brick, microcrystalline stone, granite and other ultra-hardness stone. _x000D__x000D_
processing with water will be sharper._x000D__x000D_
To dry drill a 2 cm thickness marble, vitrified brick only needs 8 seconds._x000D__x000D_
12mm Hex shank brazing hole opener. _x000D__x000D_
Length:80mm. _x000D__x000D_
Drilling depth:30mm.