【Transforms 1 1/4 inch UNC to SDS MAX】: This heavy-duty adapter easily converts UNC attachment to SDS MAX, providing wide compatibility with a variety of drilling tools and accessories, including drill augers and garden augers. 【Sturdy Steel Design】: Made of strong and durable steel, this adapter is designed to withstand heavy use without breaking easily, ensuring reliable performance when using your SDS MAX hammer drill with augers and drills. 【Universal Compatibility with SDS MAX】: Suitable for all hammer drills equipped with an SDS MAX attachment, this adapter is ideal for use with core drills and other drilling accessories equipped with a UNC thread and an SDS MAX socket. 【Compatibility Check 【Recommended】: Before purchasing, please check the compatibility of this adapter with your drilling equipment to ensure a precise fit and optimal performance when used with drill augers and other drilling accessories. 【Special Attention】: Please note that this adapter is specifically designed