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 G 90 D 80 = 80mm 4X 20 = 20mm H 100 Steel 25 = 25mm J 110 100 = 100mm with K 125 through 32 = 32mm L 140 K coolant 40 = 40mm M 150 50 = 50mm N 160 CSMS Top and hole P 170 clamping for R E Q 180 inserts with hole R 200 S 250 T 300 S U 350 P Ø V 400 Carbide W 450 with Y 500 through X special T coolant V Insert clamping l1(C) by toggle lever for insert with hole W S Center clamping by screw for inserts with hole A28 WWW.WIDIA.COM