Wet Diamond Hole Saw Drill Bits Set 5 PCs （5mm/6mm/8mm/10mm/12mm） for Granite Ceramic Marble Tile Stone Glass Hard Materials - Shanghai Deruilong Precision Technology Co., Ltd., DRL-DHS002

• UPC   757611240003
• 【Model Size】5pcs/pack(5mm/6mm/8mm/10mm/12mm) diamond drill bits with diamond grit #50 【Wide Application】Diamond drill bits are cooled with water when drilling, and can easily pass through hard porcelain tiles, ceramics, bathroom tiles, granite and marble, masonry, concrete, glass, and hard plastics. Using water can extend the service life. 【Super Quality Raw Materials】High resistance to temperature and friction makes the diamond particles adhere better to the steel core, improving performance and service life. 【Applicable Machines】It is suitable for electric drill, hand drill, table drill, safe and fast to help you pierce the hole, different sizes of drill bits to meet your different needs. 【Warm Service】It is recommended to use 1500~3600rpm/min on electric drill, if you have any questions, please feel free to contact us, we will provide you with 24 hours professional service!