Step Drillbit Set 3 tools

Step drills are ideal for drilling into the following materials: - Ferrous & non-ferrous sheets metals, profiles and pipes. - Copper, brass and aluminium. - Stainless steel. - Plastics. - Maximum material thickness 4 mm. - To ensure best lifetime we recommend the use of a coolant. Spot drill - Drill - Debur - All in one go.Rapid Strike tip for improved centering - less walking and fast drilling without the need to punch or pre drill the material. Special tip and step geometry for jam-free performance - less risk of drill snagging when used with high speed cordless tools and also prevents deformation of the drilled material. Optimised 2 flute ground sharpened edge geometry for 2 x faster and smoother cutting. Produced from custom engineered steel with black oxide coating for 4 x longer life. Optimised for use with high speed cordless drills. Laser engraved size markings for best long term visibility. Each step is relief ground to drill and deburr automatically. Set including: 4-12mm, 4-20mm, 6-35mm.