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Diamond hollow annular drill bit, Wolfcraft 1 (7958000) – diamond cutting edge for metal and masonry
Summary description:
Diamond hollow annular drill bit by Wolfcraft, model 1 (MPN 7958000). A core/drill crown with a diamond cutting edge designed for creating clean, precise holes in hard materials. Suitable for use on masonry, concrete, tile and some metal surfaces when used with appropriate drill rigs and cooling. Commonly used for plumbing, electrical installations and construction tasks requiring accurate through-holes.