Dry Diamond Drill Bits Set 6mm 5Pcs Tile Hole Saw Kit and 1Pc Carbide Bit for Ceramic Porcelain Marble Granite Triangle Shank with Storage Case

【Package Include 6 Pcs Bits】: 5Pcs diameter 6mm dry core drill bits + 1Pc diameter 6mm carbide drill bit 【Value For Money】: The carbide bit for precise positioning, the core drill bits for quick and accurate dry drilling tile ceramic porcelain, granite, marble and hard materials etc. 【Sharpness and Durability】: Vacuum brazed technology, high-quality materials and cooling wax greatly improve working efficiency and extend product life 【Easy To Install and Storage】: Triangle shank is easy to install in hand drill and bench drill etc. with favorable stablility; The storage case is great for keeping everything organized 【Attention】: Faster the RPM, longer the working life; Do not use impact mode