100mm*100mm TCT Annular Cutter 31.75mm Weldon Shank | Custom Non-Standard, Max Cutting Diameter 250mm Product Overview Our TCT Annular Cutter (Tungsten Carbide Tipped Core Drill) delivers fast, precise hole-making for heavy-duty metal machining. Widely adopted in steel structure fabrication, bridge engineering, shipbuilding, rail transit, power engineering, mechanical maintenance and heavy industry workshops, this cutter excels in both factory batch production and on-site