TCT Annular Cutters – High-Efficiency Core Drilling Bits

Our premium TCT annular cutters, also known as tungsten carbide tipped core drill bits, deliver fast, precise hole drilling for metal fabrication, steel construction and shipbuilding, fully compatible with all standard magnetic drilling machines. Crafted with rigid alloy steel bodies and high-hardness brazed carbide cutting teeth, these cutters feature optimized multi-flute chip evacuation grooves and anti-vibration tooth geometry to lower friction and heat buildup during heavy-duty cutting

Key Technical Data:Metric diameters cover 12mm–150mm; standard cutting depths include 35mm, 50mm, 75mm and 100mm. We supply Weldon, Fein and universal shanks, with custom sizes up to 200mm depth on request. Carbide tips reach 1450HV hardness, resisting abrasion on carbon steel, stainless steel and cast iron.

Core Advantages:Compared to HSS annular cutters, our TCT cutters offer 2–3x longer service life and 50% faster drilling speed, cutting only the hole edge instead of full material to save power consumption. They produce burr-free smooth holes without secondary deburring, cutting down workshop labor costs. Built with impact-resistant soldering, they stand up to continuous industrial use and reduce frequent tool replacements.Ideal for structural steel, railway and machinery manufacturing. Contact us to get customized TCT annular cutters with stable bulk supply and competitive factory pricing.