
Steel (N/mm Tensile Strength) Stainless Carbide Grade Cast Iron Non-ferrous Steel 400-500 500-700 700-850 850-1150 >1150
| Cutting | IC228 | 160 | 140 | 120 | 90 | 70 | 90 | 100 | 300 |
| Speed | |||||||||
| V (m/min) | IC908 | 185 | 160 | 140 | 105 | 80 | 105 | 115 | 350 |
| c |
Pitch (p) mm TPI No. of Passes
| 0.5 | 48 | 6 | 6 | 7 | 7 | 8 | 8 | 7 | 6 |
| 0.75 | 32 | 8 | 8 | 9 | 9 | 10 | 10 | 9 | 8 |
| 1.0 | 24 | 10 | 10 | 12 | 12 | 12 | 12 | 12 | 10 |
| 1.25 | 20-19 | 12 | 12 | 14 | 14 | 15 | 15 | 14 | 12 |
| 1.5 | 16 | 15 | 15 | 17 | 17 | 18 | 18 | 17 | 15 |
For internal threading of small diameters, the PVD coated grade IC228 is recommended.
| ISO | P | ISO M | ISO K | ISO N | ISO S | ISO H | ||
| 1-11 | 12-13 | 14 | 15-20 | 21-28 | 31-37 | 38-41 | ||
| Material gr | oups | Steel | Stainless Steel Ferritic & Martensitic | Stainless Steel Austenitic & Duplex (Ferritic- Austenitic) | Cast Iron | Non- ferrous | High Temperature Alloys | Hard Steel & Cast Iron |
| Harder | IC1007 | IC1007 | IC1007 | IC1007 | IC08 | IC806 | IC1007 | |
| IC808 (IC908) | IC808 (IC908) | IC1007 | ||||||
| IC250 (IC950) | IC808 (IC908) | IC808 (IC908) | IC250 (IC950) | IC228 | IC808 (IC908) | IC808 (IC908) | ||
| THREADING | Tougher | IC228 | IC228 | IC228 | IC228 | IC28 |
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