【Dry Tile Drill Bit】 - Dry Tile Drill Bits are brazed and can be easily used without adding water. Internal sealing wax, solid state condensation treatment, more durable use. 【Scientific Design】 - Scientific chip removal design, the hole opener body is forged to make the drill body more stable without slamming. The shank of the drill adopts circular design, which is widely applicable to hand drills and angle grinders. 【Multiple Applications】 - The marble hole drill bit has 7 different specifications, 5/6/8/10/12/14 / 16mm, which can meet your different needs. Suitable for all ceramic tiles, marble, granite, ceramic, ordinary glass, etc. 【High Quality Materials】 - It is galvanized from high quality golden sand steel material, which has abrasion resistance and durability and long service life. ceramic tool is a practical tool in life, of high hardness and sharp. 【Customer Service】 - 100% brand new and high quality. We provide good customer service and you can always contact us if you