Catalog number: NMS-21G Features: ●With a thinned tip, it bites lightly and there is no point slippage. Applications: ●Cutting materials: Iron plate, copper plate (up to 2 mm), aluminum plate, wood, resin (up to 3-4 mm), stainless steel plate (up to 1 mm). Specifications: ●Step width (mm): 5 ●Number of steps (steps): 9 ●Shank diameter (mm): 10 ●Drilling dimensions (φ): 5, 7, 9, 11, 13, 15, 17, 19, 21 ●Surface treatment: Titanium coating Material/Finish: ●Cobalt high speed steel Set contents/Accessories: ●Cutting oil Caution: ●Cobalt and inorganic compounds are designated as specific chemical substances, but they are exempt from regulations because they do not emit dust amounts that cause health problems during normal use.
