EN-EF — Extreme Finishing
EN-EF — Extreme Finishing
Sharp 9° ground edge for stainless, cast iron, non-ferrous, and exotic materials, grade GTP2120.
Example: CCGT 09T301EN-EF. Depth of cut 0.05–1.35 mm, feed 0.02–0.10 mm. Rated for consistent cutting depth only — not for inconsistent or interrupted cuts.
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| Designation | Chipbreaker | Material No. | Available |
|---|---|---|---|
| CCGT 060200EN-EF GTP2120 | …EN-EF | MM11204029 | ● |
| CCGT 060201EN-EF GTP2120 | …EN-EF | MM11203024 | ● |
| CCGT 09T300EN-EF GTP2120 | …EN-EF | MM11204030 | ● |
| CCGT 09T301EN-EF GTP2120 | …EN-EF | MM11203027 | ● |
| DCGT 070200EN-EF GTP2120 | …EN-EF | MM11204031 | ● |
| DCGT 070201EN-EF GTP2120 | …EN-EF | MM11203028 | ● |
| DCGT 11T300EN-EF GTP2120 | …EN-EF | MM11204035 | ● |
| DCGT 11T301EN-EF GTP2120 | …EN-EF | MM11203030 | ● |
| VCGT 110300EN-EF GTP2120 | …EN-EF | MM11204036 | ● |
| VCGT 110301EN-EF GTP2120 | …EN-EF | MM11203033 | ● |
| VCGT 160400EN-EF GTP2120 | …EN-EF | MM11204037 | ● |
| VCGT 160401EN-EF GTP2120 | …EN-EF | MM11203034 | ● |
Cutting data — general cutting parameters by workpiece material
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| Group | Type / alloy | Hardness HB | GTP2120 vc [m/min] |
|---|---|---|---|
| M | Ferritic stainless | 200 | 150–200 |
| M | Austenitic stainless | 180 | 120–200 |
| M | Duplex stainless | 230–260 | 90–160 |
| M | Martensitic stainless | 330 | 60–80 |
| K | Grey cast iron | 180 | 120–160 |
| K | Spheroidal cast iron | 160 | 120–160 |
| K | Malleable/tempered iron | 130 | 140–220 |
| N | Non-ferrous metals | 90–130 | 100–600 |
| S | Fe base (exotic) | 200 | 20–50 |
| S | Nickel or cobalt base | 250–280 | 15–50 |
| S | Titanium (Rm 440*) | – | 80–140 |