DaduoRi 1/4 inch Diamond Hole Saw, Wet Use, 1/4" Diamond Drill Bit for Porcelain Tile Glass Granite Ceramic Marble Stone, 6mm Tile Bits x 2 Pack (1/4" Hex Shank) - DaduoRi Tool, DaduoRi 1/4 in diamond hole saw-028

• Diameter: 1/4 inch, Overall length: 2-5/8 inch, 1/4-inch shank (6mm diamond drill bit) Shank: 1/4" hex shank. These 1/4" diamond drill bits are part of the Quick Change universal hole saw system, which lets you change hole saws in seconds. MUST USE WITH WATER throughout the process. Recommended using at a low speed and low pressure.For cool cutting lubricate with water for extended life. Wide application: 1/4 inch diamond hole saw drill holes in glass bottles,hard tile,porcelain,ceramic plant pots,granite,marble slab and stones. Satisfaction guaranteed: If there is anything you are not satisfied with DaduoRi diamond hole saw, just simply send a text message and we will help you return your order within 90-Days for full refund. We are committed to providing a good shopping experience. We appreciate your comments or feedbacks. This will always motivate us to develop better products.