C.K Tools Vorteck HSS Cobalt Step Drill Bit Set, 3 Piece 4-32mm Multi Step Drill Set, 5% Cobalt High Speed Steel, Hex Quick-Lock Shank for Stainless Steel and Sheet Metal Applications Trade, T3016 SET

C.K Tools Vorteck accessories are designed for professional tradespeople requiring reliable drilling performance across electrical installation, fabrication and sheet metal applications. The Vorteck T3016 SET HSS Cobalt Multi Step Drill Set combines three popular step drill sizes in one package, helping users complete centring, drilling and deburring tasks efficiently across a wide range of hole diameters. Wide drilling capacity The set includes 4-12 mm, 4-20 mm and 6-32 mm step drill bits, providing coverage for multiple drilling applications commonly encountered during electrical installation, fabrication, HVAC and maintenance work. Designed for harder materials Manufactured from 5% cobalt high speed steel, the drill bits deliver dependable drilling performance on stainless steel, brass and sheet materials where conventional drill bits can wear prematurely. Smooth, controlled drilling The precision ground one-piece construction supports accurate cutting, controlled enlargement and cleaner finished holes while helping reduce snagging and chatter during use. Quick-change compatibility The Vorteck 1/4" Hex Quick-Lock shank delivers a secure connection with compatible quick-change systems and impact driver holders for high torque drilling tasks. Set Contents 4-12 mm step drill with 1 mm increments. 4-20 mm step drill with 2 mm increments. 6-32 mm step drill with 2 mm increments.