1-3/8" Diameter Carbide Tipped Annular Cutter1 3 8" Diameter Carbide Tipped Annular Cutter available in 2", 3", 4", 6", and 8" depth of cut with a 3 4 Weldon shank. Our 1 3 8" carbide tipped annular cutter is engineered for tough drilling applications in steel fabrication, bridge work, construction, truck frames, and heavy equipment repair. This 1 3 8" TCT annular cutter delivers faster cutting speeds, extended tool life, and cleaner holes compared to HSS cutters or twist drills. Over 10,000