MILWAUKEE THUNDERWEB step and metal drill bit set (10-piece) 4932501119

Product information: Step drills are ideal for drilling into the following materials: - alloyed and unalloyed sheet metal, sections and tubes. - Copper, brass and aluminium. - Stainless steel. - Plastic. - Maximum material thickness 4 mm. - The use of coolants is recommended to extend tool life; Trades: - Electricians: Drilling holes in panels and switch cabinets for cable installations. - Plumbing and heating: Access holes for pipes and conduits. - Metalworkers: Drilling holes of various diameters and enlarging existing holes. - Automotive: Holes for cable installations (mobile phones, aerials, cable routing). - Maintenance: Various applications, sizes and hole enlargements; Advantages of step drills over conventional drills: - One drill bit for different diameters. - Optimal solution for enlarging drill holes. - Less prone to breakage than metal drill bits. - Easy centring. - Clean, burr-free holes. Splinter-free drilling in plastic; centre punching, drilling and deburring in a single step; Rapid Strike drill tip for easier centring – no drift of the drill bit and faster drilling progress, without pre-drilling; A special drill tip and a unique step geometry enable vibration-free drilling. Reduced risk of the drill bit jamming or deforming the material being drilled at high speeds; optimised 2-helix geometry with sharpened edges for up to twice the drilling speed; Made from special steel with a black oxide coating for up to 4 times longer service life; Optimised for use with cordless tools; Laser-marked diameters for long-lasting legibility; Each step is ground on the rear for optimum drilling feed and automatic deburring; Shank with 3 clamping surfaces for a secure hold in the drill chuck and optimum power transmission.