Kseibi 619586 Hardened Steel Core Drill Adapter Convertor ? 1-1/4"-7 Female To Product Details Versatile Compatibility: Unlock unlimited potential with the KSEIBI 619586 Core Drill Converter. Convert 1-1/4"-7 female threads to 5/8"-11 male threads effortlessly, ensuring your core drill is compatible with an extensive range of diamond core bits. A seamless fit enhances stability and provides consistent results in every application. Robust, Durable Construction: Constructed from premium hardened steel, this adapter is built for endurance. It stands up to heavy-duty use, ensuring your projects continue uninterrupted. Whether you?re working on a small DIY project or a large construction site, count on the KSEIBI 619586 for unmatched durability and performance. Universal Compatibility: Easily convert 1-1/4"-7 female threads to 5/8"-11 male threads, making your core drill more versatile and compatible with a wide range of diamond core bits. Enhanced Drilling Efficiency: Improve the performance and precision of your core drill with this essential accessory. High-Quality Materials: Trust in the robust construction made from hardened steel for long-lasting use. Safety and Stability: Ensure your drilling tasks are safe with a secure and stable connection. Ideal for Use with Diamond Core Bits: Specifically designed for optimal compatibility and performance with diamond core bits, ensuring superior drilling results in various materials. 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.