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

3 PIECE MULTI-STEP SET: Includes 4-12 mm, 4-20 mm and 6-32 mm step drill bits, helping installers and fabricators cover a wide drilling range without carrying multiple individual drill bits. DRILL, ENLARGE AND DEBURR: Designed to centre, drill and deburr sheet material in one smooth operation, helping reduce workflow interruptions during electrical, fabrication and maintenance tasks. 5% COBALT HSS PERFORMANCE: Manufactured from 5% cobalt high speed steel for dependable drilling performance on harder materials including stainless steel and brass where standard bits can wear prematurely. HEX QUICK-LOCK SHANK: Vorteck 1/4" Hex Quick-Lock shank provides a secure, slip-resistant connection with compatible quick-change chucks and impact driver holders during high torque drilling applications. VERIFIED STEP CONFIGURATION: Set includes 5 mm step depths with 1 mm increments on the 4-12 mm drill and 2 mm increments on the 4-20 mm and 6-32 mm drills; product dimensions 153 x 212 x 54 mm, weight 508 g.