KM™ Quick Change Internal Threading, Grooving, and Cut-Off Catalog Numbering System By referencing this easy-to-use guide, you can identify the correct product to meet your needs. KM63TSS25GNER3 R 3 E Hand of Tool Insert Cutting Additional Special Edge Length Information Features R = Right hand E = External Y = Mazak® N = Insert size LT = Cutting edge length INTEGREX® L = Left hand N = Internal M = Metric C = GC-style insert S d End mount I KGM blade size R 2 3,18 l d (IC) 50 3 4,95 16 9,52 50 4 6,48 22 12,70 50 5 9,65 — — 50 6 11,13 — — 50 L WWW.WIDIA.COM A33