Hakkin 6Mm Concrete Drill Bit Set Masonry Drill Bit Set For Ceramic Tile, Blue Product Details HAKKIN 10pcs Masonry Drill Bit Set Specification Color : Blue silver Material : Carbide Package included : 10 Pcs x 6mm with Storage box 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.and 3-flats shank allows drill bit easy plug and to be held tightly. 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. 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. Note : Universal handle for electric drills and bench drills, but NOT fit for impact drills. Keep the product out of the reach of children to avoid accidental injury. 1.?Multifunctional Carbide Drill Bit?Fast and efficient drilling through stainless steel, iron, metal? tiles, glass, cinder blocks, hard plastic, cement, concrete, mirrors, windows, travertine, bricks, wood and more! 2.?Premium Quality?Premium carbide and durable alloy, with reinforced head, perfect for many drilling projects, make your work more efficiently. It has a variety of properties such as durability, rust resistance and excellent abrasion resistance, remain sharp for a long time that make the drilling much more easier, less effort and work with a minimum of pressure. 3.?Fast Chip Removal? U-type slot design, provides low resistance, easy to position, resulting in smoother drilling and easier chip removal. 4.?Easy to Carry and Store?The masonry drill set is made of exquisite non-rusty plastic storage packaging, beautiful and exquisite, convenient for storage and carrying. 5.?Note?There are 10pc 6mm (1/4") size metric drill bits, which is the most commonly used size and is the perfect tool for those who like to tackle a variety of home improvement projects! When drilling glass, porcelain floor tiles, marble, granite and other hard materials, please lubricate with water. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.