JOERIC 5mm Masonry Drill Bit Set 10PC Concrete Drill Bit Set- Ceramic Brick Drill Bit Industrial Cemented Carbide Tip YG6X, Hex Shank for Glass, Soft Ceramic Tile, Mirror, Plastic.

• IMPROVED EFFICIENCY: high quality & hardness YG6X tungsten steel alloy head features reduced resistance and better precision and is more wear resistant. Carbide Tipped Drill Bits Are Built For Longevity and Will Stay Sharper Much Longer Than You're Typical Steel Drill Bit.
• SPECIAL TIP DESIGN: A tungsten carbide material hardens the tips. Such a combination reinforces the head against cracking and in turn, makes the pieces more robust. This helps to prolong the life of the bits compared other alternatives in the market.
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

PRODUCT FEATURE : The surface of the drill bit is made of hard alloy and rust-proof material, so it has a longer service life，Plus higher hardness and more wear-resistant than ordinary drills. The shape of the product is designed to efficiently remove chips, speed up the drilling, and efficiently complete the task. The multi-material drill bit can be used for glass, ceramic tile, cement wall, plastic iron, wood, etc. When drilling hard materials (glass, tile, marble or granite), please lubricate with water. SPECIFICATION: Color :Black Material : YG6X Carbide Tip PACKAGE INCLUDED : 10PCS 5mm ceramic dril bit 1pc plastic Storage box HOW TO INSTALL MULTI MATERIAL DRILL BIT: Step One -- Unscrew the drill chuck and put the triangular handle into the drill bit. Step Two -- Tighten the triangle drill with a tightener and install the multi material drill bit. Step Three -- when drilling holes in high hardness materials.Use WATER for lubrication. Step Four -- Try to keep the drill vertical when drilling. WARM TIPS ： ①　Recommended speed of drill set: 100-800 / MIN, the larger the diameter, the slower the speed requirement. ②　Do not knock when using, the work piece must be fixed. ③　For products with large thickness, if there is abnormal chip discharge, please remove the debris in time. ④　Please try to keep the drill vertical and use WATER or COOLANT for lubrication when drilling.