WIDIA™ Inserts Catalogue Numbering System How Do Catalogue Numbers Work? Each character in our catalogue number signifies a specific trait of that product. Use the following key columns and corresponding images to easily identify which attributes apply. CNMG120408UR C N M G 12 Insert Shape Insert Clearance Tolerance Insert Size Angle Class Features N Code for mmcutting edge length H Hexagon120° A Tolerances apply prior “L10”to edge prep and coatingR“D” F mm C D R S T V W 3,97 S4 04 03 03 06 — — O Octagon135° B A 4,76 04 05 04 04 08 08 S3 5,56 05 06 05 05 09 09 03 M 6,00 — — 06 — — — — G 6,35 06 07 06 06 11 11 04 P Pentagon108° C 7,94 08 09 07 07 13 13 05 Rε Rε W 8,00 — — 08 — — — — T 9,52 09 11 09 09 16 16 06 10,00 — — 10 — — — — R Round— D Q 11,11 11 13 11 11 19 19 07 12,00 — — 12 — — — — U 12,70 12 15 12 12 22 22 08 B 14,29 14 17 14 14 24 24 09 S Square90° E 15,88 16 19 15 15 27 27 10 H 16,00 — — 16 — — — — Rε 17,46 17 21 17 17 30 30 11 C T Triangular60° F 19,05 19 23 19 19 33 33 13 J 20,00 — — 20 — — — — 22,22 22 27 22 22 38 38 15 C RhomboidD80°E55°75° GM86°V35° D = Theoretical diameterof the insert inscribedcircleXSpecialVDesign25,00—— 25 — — — —25,4025312525444417S = Thickness31,7532383131545421B = See figures below32,00——32———— Trigon W 80°with enlarged N corner angles tolerance tolerance tolerance tolerance class on “D” on “B” on “S” C ±0,025 ±0,013 ±0,025 L Rectangular90° P H ±0,013 ±0,013 ±0,025 E ±0,025 ±0,025 ±0,025 G ±0,025 ±0,025 ±0,013 A ParallelogramB85°82°N/K55° Indicated for otherO clearance anglesrequiring descriptions.MUSee tables on next page ±0,013See tables on next page±0,013 B4 widia.com