KM™ Quick Change Internal Turning Catalog Numbering System How Do Catalog Numbers Work? Each character in our catalog number signifies a specific trait of that product. Use the following key columns and corresponding images to easily identify which attributes apply. KM63TSS25GMCLNR1204 KM 63 TS S 25 G M C KM System Feature Bar Bar Bar Gage Insert Holding Insert Quick Size Type Diameter Length Method Shape Change 40 = 40mm TS S 10 = 10mm C 50 M C D 60 50 = 50mm XMZ 12 = 12mm E 70 63 = 63mm ATC 16 = 16mm F 80 80 = 80mm 4X 20 = 20mm G 90H100 D 100 = 100mm Steel 25 = 25mm J 110withthroughcoolant32=32mmK125L14040=40mmM150K CSMS E 50 = 50mm N 160P170 Top and holeclamping forQ180inserts with holeR R 200 S 250 T 300U350 P S Ø V 400 Carbide W 450 with Y 500 through X special T coolant V Insert clamping l1(C) by toggle lever forinsert with holeW S Center clamping by screw for inserts with hole A28 WWW.WIDIA.COM