JOERIC Black Masonry Drill Bits, 10PCS Concrete Drill Bit Ceramic Tile Drill Bit Set Tungsten Carbide Tipped Ceramic Tile Drill Bits for Concrete Brick Glass Plastic and Wood? 3mm-12mm?

What's so special about this 10-piece set 3MM- 12MM concrete Drill Bit? This Things you must know. These drill bits can be used in charging drill, hand drill, bench drill etc. But NOT fit for impact drills; Bits are well assorted in a portable plastic case for easy storage, each contained in an individual section keeping the bits from beating each other up. Widely Used ---- Masonry drill bit can easily penetrate various materials like glass, tile, ceramic, brick, light concrete, wood, plastic, cement, marble, wall, mirror, block, stone, porcelain floor, granite, cinderblock, window, travertine etc. Efficient Design ---- 1/4 hex handle is designed for preventing slipping and allows drill bit to be held tightly and stably in power drill. U type slot design makes perfect chip removal ability with overall Specifications: Material: Carbide Head type: cross spear head Bit type: tile & Ceramic drill Package included: 10pc asonry Drill Bit Set 1 x Plastic Case ATTENTION: - Keep the drill and bit at a VERTICAL degree and use WATER or COOLANT during drilling. - Do not choose impact mode of drills or hammers when use these masonry drill bits. - The drilling speed should not be so fast, choose a slow speed at the beginning of drilling.