Features and Benefits:�Arbor assembly for threaded shank Steel Hawg Cutters�Consists of arbor, oil hose and hand pump�Metric thread size M18 x 1.5Steel Hawg arbor with 3/4 in. shank for use in Milwaukee magnetic drill motor 4262 - 1. This arbor adapts threaded Steel Hawg cutters to a 3/4 in. chucked motor. For best cutting results use Hawg wash cutting fluid to keep cutting surface cool and lubricated. Hawg wash fluid is available in 16 oz. Bottles (49-32-0081). One bottle makes one gallon of lubricating solution. Order oil hose(43-75-0010) and hand pump (44-46-0090) separately for distributing cutting fluid during drilling.