Identification System 126 060 140 A C G 5 SCD SCCD (1) Cutting Effective Drilling Shank Solid Diameter Depth Diameter Carbide Drill (1) 3 Flute Shank Type SOLID CARBIDE DRILLS A Cylindrical Coolant If not specified - external coolant C Internal coolant Cutting Geometry P Cutting geometry for steel Cutting geometry for aluminum N Cutting geometry for general use G L/D Cutting Edge Configurations AP ACG ACP SCCD SCD... AH 558 558 ISCAR ISCAR