Surface-set Diamond Casing Shoe Bit are supplied with a semi-round crown profile and a Regular [Style `W`] canal type waterway configuration. Ideal Diamond Products Pvt. Ltd. Manufactures Surface-set Diamond Casing Shoe Bit. Ideal Diamond Products Pvt. Ltd. Also manufactures a wide range of diamond core bits of wide encompassing range for deep hole operation, mineral exploration, coal exploration, site investigation and civil engineering works. Surface-set Diamond Casing Shoe Bit is recommended for use when drilling relatively soft and abrasive formations such as sandstone or limestone. The tool face of all surface-set casing shoe Bit is set with natural drill diamond. The casing shoe Bit and rod shoes are supplied with one of three standard diamond size ranges, namely 25, 50 or 75 stones per carat [SPC].