3 in. Diamond Ultra Wet Core BitThe MILWAUKEE® 3" Diamond Ultra Wet Core Bits are engineered with thin kerf segments to provide users with the fastest drilling in reinforced concrete applications. These diamond ultra wet core bits deliver up to 20% longer run-time versus their previous generation of wet core bits. The diamond wet core bits are specifically designed for use with the MX FUEL™ Core Drill and corded core drills for maximum versatility. The 3" dry core bit has a maximum RPM of 880 with 3mm thin kerf for faster holes. The dry core bits for brick and concrete block feature a 16” drilling depth and ⅝”-11 thread connection, to connect to 1-¼-7 thread tools use the 48-17-6006 bit adapter.