Enlarge, align and drill holes in steel, stainless steel, tough alloys up to 1/2" depth in plate, pipe, tubing, and more
5 different drill sizes (5/16, 3/8, 7/16, 1/2, 9/16 In.) in one tool make this an ideal maintenance tool for construction, steel fabrication, and other maintenance repair operation applications
Features 3/8" flatted shank for use in power drill or drill press
Safety collar prevents operator over-penetration