WN inserts (WNMA/WNMG) are 80° negative turning inserts designed for stable lathe machining, from roughing to consistent semi-finishing. Their geometry delivers a strong cutting edge and dependable performance under demanding cutting conditions.
Available in multiple sizes, grades and coatings, with chipbreaker options tuned for steel, stainless, cast iron and difficult alloys. Choose based on feed/depth of cut, coolant strategy and required surface finish, from Insize, Mitutoyo & PCE.
Well suited for CNC and manual lathes when long tool life and low cost per cutting edge are key.
