Montolit Diamond Core Bits
Montolit FSB bits work with all types of ceramics, hard porcelain, terracotta tiles, granite and marble. Bits can be used either wet or dry. Available in a large variety of sizes to address all manner of electrical and plumbing fittings needs.
Bit is designed to mount to a standard angle grinder 5/8" -11 standard thread without the use of an adapter (recommended 11,000 rpm).