SDS - Max TCT 65 x 550The Milwaukee SDS Max Tunnel Bit (65x550mm, #4932492058) is engineered for heavy duty applications, such as drilling in reinforced concrete and masonry. This one piece solid steel drill bit features a premium 3 cutter centering drill bit design, allowing for precise starts and efficient drilling. The massive head with three large dust removal channels ensures optimal debris extraction, reducing friction and enhancing drilling speed. Equipped with