Punta da trapano diamantata bagnata 7" per trapano profondità 13,5" calcestruzzo granito blocco carotaggio
7"Wet 13.5" Drill Depth Diamond Core Drill Bit for Concrete Granite Block Coring. Intended for drilling hard concrete, block, brick, masonry, and the like materials. 1x 7" Wet Diamond Core Drill Bit. Cutting depth：13.5".