3-7/8 in. bit diameter Metric thread size M18 x 1.5 shank 2 in. cutting depth For use with No. 3 Morse Taper Arbor Assembly 49-57-0010A full 2 inch cutting depth can be achieved with this style Milwaukee carbide tipped Steel Hawg Annular Cutter. Like other Steel Hawg Cutters, this cutter removes material three times faster than twist drill bits and leaves a smooth, precision machined hole. Can be used on steel, stainless steel, cast iron or aluminum. A threaded back end allows the user to choose which style arbor fits his electromagnetic drill stand. Choose a 3/4 inch shank arbor (49-57-0030)for use with Milwaukee 4262-1, or a No. 3 Morse Taper Arbor (49-57-0010) for use with Milwaukee Drill Stand 4292-1. Available in sizes up to 6 inch diameter. 3-7/8 inch diameter.