10Pcs Diamond Drill Bit Set, 8-50mm Glass Tile Hollow Core Extractor Remover Tools Diamond Hole Saw for Glass Ceramics Porcelain Ceramic Tile by Jelbo

DIAMOND DRILL BIT: Diamond drill bits ,or diamond core drill bits, diamond hole saw or bonded diamond drill bits. They are often referred to as glass drill or tile drill, but since they are used to drill glass, ceramic, porcelain, tile, ceramic tile, limestone, Slate, marble, granite, stone and glass fiber light, so they are more general. PRODUCT FEATURES: ?Material: steel ?Average Height: 52mm ?Application: Suitable for stone, tile, ceramic, glass and granite processing. Good performance, long service life. Very suitable for glass and ceramic tiles make clean accurate holes. An electric drill work better (not included in the project). INTRUCTIONS: 1.Diagonal start your hole, do a round of mark, then drill. 2.Always use lubrication (water), or diamond drill will burn. 3.Through the concrete and tile cutting, it is very effective. There are the smallest heat and it will not damage the drill. PACKAGE: 10 x Diamond Drill Bits Product Instruction About Us 1.High Performance Product In our store, we guarantee to provide high quality products for you with a good price. 2.Professional Services In our store, if you have any doubts about our products, we will provide you with professional, caring sales service. 3.Efficient Logistics Speed Professional FBA distribution, greatly reducing your waiting time and the risk of packet loss. 4.Product Guarantee To provide you with 2 years of product guarantee, 365 days,throughout the year to provide you with quality product protection.