Milwaukee 48-20-5005 - SDS-PLUS Thin Wall Carbide Tipped Core Bit 1"Milwaukee's SDS Plus thin wall core bits are used for drilling large through holes into brick, block, concrete. Includes core bit, guide plate, and centering pin. Features Thin wall design 1 in. diameter Usable cutting depth 2 13 16 in. Use with 8 in. or 12 in. SDS plus adapter shanks (48 03 3555, 48 03 3561) Use with 7 1 2 in. extension 48 95 6075 Use with guide plate 48 20 6156 and centering pin 48 20 6155 Includes core body with guide plate &