and manufactured for the professional who demands precision cutting and grinding with a long life expectancy. METORAM (CERAMICS) CORING BITSHoffman Metoram core bits are designed... with waterways for heavy duty drilling of high density ceramics, ferrites, fused cast refractories and zirconia. Bits are furnished with threaded adapters and a standard core length... of 1 "GLACERAM (GLASS) CORING BITSHoffman Glaceram diamond bits are impregnated, continuous crown bits. They are designed for precision drilling, glass, ceramic, quartz, porcelain...

a complete range of coring bits, reaming shells, casing shoes/bits, and non-coring bits for any size tooling.semi roundAn all purpose design. Ideal for most formations.step... PRODUCTSIMPREGNATED BITSEAGLE IMPREGNATED SERIESDesigned for deep hole drilling where it is important and economical to keep the bit in the hole as long as possible. Hoffman diamond... has developed a new series of matrices and manufacturing techniques to produce a new series of impregnated bits. This series includes types designed to drill a complete range...