Positive turning inserts
ISO positive carbide inserts (PST) — six chip grooves for steel, stainless and cast iron finishing and general-purpose turning.
Galtona's PST range covers positive-geometry turning across finishing, general-purpose, and heavier engagement, with six dedicated chip grooves, each FEM-optimised for its application.
For steel finishing: PWX (Masterfinish geometry, high surface quality, also available as a heavy-turning grade) and JF (cermet TCM10 finishing).
For chip control and general-purpose turning: WSF+ (optimised chip control across steel and stainless grades) and WM+ — the broadest range, spanning 7 insert shapes across GTCP115, GTCP125, GTCP125HP, GTCP135 steel grades plus stainless GTCM120HP/GTPM125/GTPM135M and cast-iron GTCK120.
For stainless, cast iron, non-ferrous, and exotic materials: EN-EF (sharp ground edge, extreme finishing) and LMF+ (new chipbreaker, available in a fine finishing grade and a heavier uncoated H216T grade for larger depths of cut).
PWX — Masterfinish extreme finishing
PWX — Masterfinish Extreme Finishing
Positive Masterfinish geometry for high surface quality, steel finishing and heavy turning.
Example: CCMX 09T308-PWX. Depth of cut 1.0–3.5 mm, feed 0.30–0.15 mm. Rated for consistent cutting depth only — not for inconsistent or interrupted cuts.
Steel extreme finishing — GTCP125
| Designation | Material No. | Available |
|---|---|---|
| CCMX 09T304-PWX | MM12078108 | ● |
| CCMX 09T308-PWX | MM12078100 | ● |
| DCMX 070204-PWX | MM12078103 | ● |
| DCMX 11T304-PWX | MM12078101 | ● |
| DCMX 11T308-PWX | MM12086875 | ● |
Heavy turning steel "P35" Masterfinish — GTPM135M
| Designation | Material No. | Available |
|---|---|---|
| CCMX 09T304-PWX | MM12078102 | ● |
| CCMX 09T308-PWX | MM12078097 | ● |
| DCMX 11T304-PWX | MM12078099 | ● |
| DCMX 11T308-PWX | MM12078094 | ● |
Cutting data — general cutting parameters by workpiece material
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| Group | Type / alloy | Hardness HB | GTCP125 vc | GTPM135M/GTCP135 vc |
|---|---|---|---|---|
| P | Non-alloyed steel 0–0.45% C | 150–250 | 170–240 | 170–190 |
| P | Low-alloyed steel | 250–300 | 100–190 | 90–150 |
| P | High-alloyed steel | 200 | 130–210 | 120–200 |
| P | Corrosion-resistant steel | 200 | 130–210 | 140–180 |
| M | Ferritic stainless | 200 | 140–210 | 140–200 |
| M | Austenitic stainless | 180 | 100–210 | 110–190 |
| M | Duplex stainless | 230–260 | – | 80–150 |
| M | Martensitic stainless | 330 | 70–100 | 55–75 |
| K | Grey cast iron | 180 | 130–210 | – |
| K | Spheroidal cast iron | 160 | 120–240 | – |
| K | Malleable/tempered iron | 130 | 150–250 | – |