Bidspirit auction | Premier Diamond Products 152mm Diamond

Premier Diamond Products 152mm Diamond Core Drill Bit with Arbor and Pilot Drill - This diamond core drill bit, also known as a diamond hole saw, is manufactured by the United Kingdom-based specialist Premier Diamond Products (PDP). The tool consists of a steel cylindrical body with diamond-impregnated cutting segments fixed to the rim. It is a complete assembly including the core barrel, a central arbor, and a pilot drill bit. An adhesive label on the base displays the pdp logo and identifies the maker as Premier Diamond Products, noting their status as a diamond specialist since 1990. Diameter: 152mm.