A range of laser welded extra heavy duty 175mm barrel dry core bits from 42mm to 152mm each core comes with a pilot bit, 200mm adapter and seperating wedge.
The adapter can be sds plus or hexagon for 1/2'' chuck drills
Sizes available are 42mm,48mm,52mm,62mm,68mm,72mm,78mm,82mm,92mm,102mm,107mm,117mm,127mm,123mm,152mm.
All cores are 175mm long, the barrel is 2,4mm thick
