CarbideMax™ TCT Carbide Broach Cutter Range World's largest stocks HMT hold the world’s largest range of available TCT products. The CarbideMax™ range also features an expansive selection of sizes, unique products and HMT exclusive lengths. Extreme depth drilling For the most extreme drilling depths the CarbideMax™ range offers 150mm & 200mm extra long broach cutters. With precision drilling flutes and a specially engineered geometry for accurate cutting these cutters come with a standard 19.05mm Weldon shank for use in any magnet drill with sufficient stroke. XL ultra large diameter With the requirement for ultra large diameter broaching fast increasing, the CarbideMax-XL™ range offers cutters from 60mm right up to 200mm diameter with 110mm cutting depth as standard.