Dry Diamond Tile Drill Bit 1 Inch (25Mm) Diamond, 25Mm) Diamond Drilling Bit Product Details Designed for Dry Wet Drilling for porcelain tile hole saw marble stone masonry brick normal stone Diameter 1 Inch (25mm) Cermic Drill Bit, Total Height 2.95 Inch (75mm), Diamond Height 3/5 Inch (15mm) Tile Drill Bits 3/8" Inch Hex Shank Drill Bit Adapter included: 5/8"-11 Male Thread to 3/8" Hex Shank Adapter available for drills or wet polisers and angle grinders Vacuum Brazing Technology uses more resilient diamond crystals to whistband the extreme heat and pressure conditions. This makes it more robust and increase the product lifecycle The 1 Inch Hole Saw Diamond Bit Set is the perfect masonry tool for shower/tub grab bars, shower plumbing, faucet, garbage disposal button, gas forge, cutting holes for split AC units plumbing and more 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.