Carbide grade · Walter · ISO P
Walter WPP20S
WPP20S is a Walter carbide insert grade (Tiger·tec® Silver CVD), applied in the ISO P area. In this cross-reference it appears on 10 insert designations; the same insert geometry is also made by ISCAR, Kennametal, Mitsubishi, Sandvik, Seco, Tungaloy. 5 grades from other makers are confirmed at the same ISO position by two or more manufacturer charts. Same position is not the same performance: verify on a sample part before switching.
Grade summary
- Brand
- Walter
- Coating / substrate
- Tiger·tec® Silver CVD
- ISO application area
- P — steel
- Application range (catalog)
- P20–P30
- Used in
- 10 insert designations in this reference
Cross-brand equivalents (manufacturer charts)
| Brand | Grade | Shared ISO positions | Status |
|---|---|---|---|
| Kyocera | PR1225 | P20 P25 | Confirmed (2+ charts) |
| Kyocera | PR1725 | P20 P25 | Confirmed (2+ charts) |
| Sandvik | GC1525 | P20 P25 | Confirmed (2+ charts) |
| Sumitomo | AC1030U | P20 P25 | Confirmed (2+ charts) |
| ISCAR | IC8250 | P20 P25 | Confirmed (2+ charts) |
| Ceratizit | CTCP115 | P20 | Lead (one chart or partial overlap), not a recommendation |
| Ceratizit | CTCP125 | P20 | Lead (one chart or partial overlap), not a recommendation |
| Ceratizit | CTPM125 | P20 | Lead (one chart or partial overlap), not a recommendation |
| Dijet | CX75 | P20 | Lead (one chart or partial overlap), not a recommendation |
| Dijet | JC5015 | P25 | Lead (one chart or partial overlap), not a recommendation |
Walter WPP20S plus up to two grades you run next to it, worked through in one document: every cross-brand match with the number of manufacturer charts behind it, single-source candidates kept apart, where your grades overlap so the list can be shortened, and a validation plan. Emailed to you, usually within the hour. No account needed.
Same insert geometry, other brands
These makers produce the same insert designation in their own grade. Shared geometry is not a grade equivalence.
| Brand | Grade | Coating | Shared designations |
|---|---|---|---|
| ISCAR | IC8250 | SUMO TEC® CVD Al₂O₃ | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
| Kennametal | KCP25B | KENGold™ CVD | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
| Mitsubishi | MC6025 | CVD Al₂O₃ | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
| Sandvik | GC4325 | Inveio® CVD Al₂O₃ | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
| Seco | TP2500 | Duratomic® CVD | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
| Tungaloy | T9125 | CVD TiCN/Al₂O₃ | CNMG120404, CNMG120408, DNMG150604, DNMG150608, DNMG150612, SNMG120404, SNMG120408, SNMG120412, TNMG160408, TNMG160412 |
Compare WPP20S side by side
Insert designations using WPP20S
| Designation | Geometry | Catalog code | Application |
|---|---|---|---|
| CNMG120404 | 80° Diamond · 0° clearance · 12mm IC · 0.4mm Rε (finishing) | CNMG120404 WPP20S | P20–P30 |
| CNMG120408 | 80° Diamond · 0° clearance · 12mm IC · 0.8mm Rε | CNMG120408 WPP20S | P20–P30 |
| DNMG150604 | 55° Diamond · 0° clearance · 15mm IC · 0.4mm Rε (finishing) | DNMG150604 WPP20S | P20–P30 |
| DNMG150608 | 55° Diamond · 0° clearance · 15mm IC · 0.8mm Rε | DNMG150608 WPP20S | P20–P30 |
| DNMG150612 | 55° Diamond · 0° clearance · 15mm IC · 1.2mm Rε (roughing) | DNMG150612 WPP20S | P20–P30 |
| SNMG120404 | 90° Square · 0° clearance · 12mm IC · 0.4mm Rε (finishing) | SNMG120404 WPP20S | P20–P30 |
| SNMG120408 | 90° Square · 0° clearance · 12mm IC · 0.8mm Rε | SNMG120408 WPP20S | P20–P30 |
| SNMG120412 | 90° Square · 0° clearance · 12mm IC · 1.2mm Rε (roughing) | SNMG120412 WPP20S | P20–P30 |
| TNMG160408 | 60° Triangle · 0° clearance · 16mm IC · 0.8mm Rε | TNMG160408 WPP20S | P20–P30 |
| TNMG160412 | 60° Triangle · 0° clearance · 16mm IC · 1.2mm Rε (roughing) | TNMG160412 WPP20S | P20–P30 |
Frequently asked questions
What is Walter WPP20S?
WPP20S is a Walter carbide insert grade (Tiger·tec® Silver CVD), applied in the ISO P area, used in 10 insert designations in this reference.
Which grades are comparable to WPP20S?
Grades from other makers confirmed at the same ISO application position by two or more manufacturer charts include Kyocera PR1225, Kyocera PR1725, Sandvik GC1525, Sumitomo AC1030U, ISCAR IC8250. Same position is not the same performance: treat them as starting points and verify on a sample part before switching.
Does this cross-reference favour specific brands?
No. Comparable grades appear here only because manufacturer-published comparison charts place them at the same ISO application position. No manufacturer pays for placement, nothing on this page is sponsored, and CuttingToolsAI sells no tools and earns no commission. Placements backed by a single chart are flagged as such, and every comparison ends the same way: verify on a sample part before switching.
Grade charts by brand
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