Impregnated Diamond Casing Shoe Bit is the most efficient tool for advancing casing through overburden layers. Ideal Diamond Products Pvt. Ltd. Manufactures Impregnated 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. Impregnated Diamond Casing Shoe Bit is available for use with all standard casing tube sizes and a limited number of Wireline drill sizes. The basic construction of this casing shoe Bit features a sintered powdered metal crown that is fused to a steel tool body or shank. The powdered metal crown is composed of two layers, the `matrix` layer, which cuts the overburden and the `backing` layer that, connects the matrix layer to the steel tool body and serves to support the gauge diameter protection hard materials. The casing shoe Bit is intended for use in applications where the casing tubes are to be permanently left in the drill hole.