wear resistancewear resistance wear resistancewear resistance WIDIA™ Inserts Victory Toughness/Wear Resistance WP Grades for Steel WK Grades for Cast Iron • Three grades and seven primary • Three grades across 12 geometries for geometries for use in roughing to use in roughing to finishing operations. finishing operations. • Very good balance of wear resistance • Increase cutting speed and/or and toughness for long predictable tool feed rate to gain productivity. life. Flat top geometry for machining cast iron. For finishing to roughing applications. toughness toughness WM Grades for WS Grades for Stainless Steel High-Temp Alloys • Two grades to cover all of your • Two grades for use in roughing cast iron turning operations. to finishing operations. • Increase cutting speed and/or • Very good wear resistance for feed rate by up to 30% over similar longer tool life. toughness competitive grades. • One uncoated grade for usetoughnessin titanium. Positive and Negative Inserts Positive Inserts Negative Inserts • Screw-on inserts are the first choice for • Negative style inserts are your first choice for general I.D. turning of all materials and O.D. turning machining of all materials on medium to large lathes. on small to medium lathes. • Negative style inserts offer the best economy for high • Suitable for all workpiece materials. metal removal rates. • Available in flat-top and chip-control geometries with both moulded and ground peripheries. • Suitable for all workpiece materials. Ceramic Inserts PcBN and PCD Inserts • Ceramic inserts are a great choice for productive • PcBN can be used for machining steels with a hardness machining of high-temp alloys. higher than 48 HRC. • Negative rake inserts are also recommended for • PcBN inserts can also be used for productivity improvements the machining of hardened materials and cast irons. in machining cast irons and high-temp alloys. • Available in flat-top geometries with moulded and • PCD inserts are used for machining non-ferrous materials. ground peripheries. widia.com B7