Designed specifically to be used with all sizes up to 6” in diameter of Mongoose Dry Diamond Core Bits. This machine can also be used with conventional wet bore bits up to 4”* in diameter. The Mongoose Drilling Machine’s features includes a water feed with shutoff, adjustable shoulder stock and slip clutch for operator safety. The machine has a 18mm male thread with adapters for 5/8"-11 and 1-1/4"-7. Includes a 360 degree side handle and tool kit.  Drilling safety standards require the use of a drill stand (71-8004) on any holes over 3" diameter.