Solid carbide provides excellent wear resistance and improved tool life Double cut design improves ease of control, increases metal removal rate and breaks swarf into manageable pieces Carbide shank ground to h6 for improved holding stability (on sizes 6mm and below) Toughened and hardened steel shank ground to h7 for rigidity and strength (on sizes above 6mm) Special brazing elements provide excellent braze strength, impact resistance and tool life