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ISO CODES FOR MILLING

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1.Insert Shape Symbol Insert Shape O Octagonal S Square T Triangular C Rhombic 80° M Rhombic 86° A Parallelogram 85° R Round X Special Design – W Wiper –

2.Normal Clearance Major Normal Clearance Symbol Normal Clearance C 7° D 15° E 20° F 25° G 30° N 0° P 11° O Other X Other

3.Tolerance Class Class D.I.C D1 m S1 C 6.35 9.525 12.70 15.875 ±0.025 ±0.013 ±0.025 E ±0.025 ±0.025 ±0.025 K* 6.35 ±0.05 ±0.013 ±0.025 9.525 ±0.05 ±0.013 ±0.025 12.70 ±0.08 ±0.013 ±0.025 15.875 ±0.08 ±0.013 ±0.025 M* 6.35 ±0.05 ±0.08 ±0.013 9.525 ±0.05 ±0.08 ±0.013 12.70 ±0.08 ±0.013 ±0.013 15.875 ±0.1 ±0.015 ±0.013 The sueface of insert with *mark is sintered.

4.Fixing and / or for Chip Breaker Metric Symbol Hole Hole Configuration chip-breaker Figure W With Hole Cylindrical Hole + One Countersink (40°-60°) No T With Hole Cylindrical Hole + One Countersink (70°-90°) Onesided B With Hole – No N Without Hole – No R Without Hole – One-sided X – – – Special Design	5.Insert Size Metric Diameter of Inscribed Circle (mm)   06 06 11 6.35   08 07 13 7.94 10       10.00 12       12.00   12 12 22 12.70   16 15 27 15.875 20       20.00
	6.Insert Thickness T3 3.97 03 3.18 04 4.76

7.Cutting Edge Angle A 45° E 75° P 90°

8.Wiper Edge Normal Clearance D 15° E 20° F 25° G 30° P 0° N 30°

9.Cutting Edge Condition E Round F Sharp T Chamfer S Chabfer+Hone X Round(small) Z Strong

10.Cutting Direction R Right N Neutral L Left

11.Width of Wiper Edge Symbol a 1 1.4 2 2.4

12.Chip Breaker Symbol Name JS JS Breaker JH JH Breaker JL JL Breaker JM JM Breaker FT FT Breaker JP JP Breaker