TRUSCO Step Drill, 3-Blade, Titanium Coated, 5-28mm, 11 Steps, 3S-NMS-28G, 1 Piece

Catalog number: 3S-NMS-28G Features: ●Three blades reduce the burden on the cutting edge and increase the blade life. Chips are discharged quickly and welding is reduced. ●Three tip blades and thinning processing prevent center misalignment and allow for fast penetration. ●Composed of professional sizes that are frequently used in field work. Applications: ●Cutting materials: iron plate, copper plate, galvalume (up to 2 mm), aluminum plate, wood, resin (up to 3 mm), stainless steel plate (up to 1 mm). Specifications: ●Step width (mm): 3.0 (2) ●Number of steps (steps): 11 ●Shank diameter (mm): 10 ●Drilling dimensions (φ): 5, (9), (11), 13, 15, 16, 19, 21, 22, 24, 28 ●Surface treatment: titanium coating Material/Finish: ●Cobalt high speed steel Set contents/Accessories: ●Cutting oil Note: ●The numbers in parentheses for the drilling dimensions represent the dimensions relative to the step width numbers in parentheses. ●Although cobalt and inorganic compounds are designated as specific chemical substances, they are exempt from regulation because they do not emit dust amounts that would cause health problems during normal use.