Carbide grade · Sandvik · ISO K
Sandvik GC3040
GC3040 is a Sandvik carbide insert grade (CVD), applied in the ISO K area. In this cross-reference it appears on 1 insert designation; the same insert geometry is also made by ISCAR. 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
- Sandvik
- Coating / substrate
- CVD
- ISO application area
- K — cast iron
- Application range (catalog)
- K20
- Used in
- 1 insert designation in this reference
Cross-brand equivalents (manufacturer charts)
| Brand | Grade | Shared ISO positions | Status |
|---|---|---|---|
| Mitsubishi | VP15TF | K20 | Confirmed (2+ charts) |
| Mitsubishi | VP20RT | K20 | Confirmed (2+ charts) |
| ISCAR | IC908 | K20 | Confirmed (2+ charts) |
| Kennametal | KC524M | K20 | Confirmed (2+ charts) |
| Kennametal | KCK20B | K20 | Confirmed (2+ charts) |
| Ceratizit | CTCK120 | K20 | Lead (one chart or partial overlap), not a recommendation |
| ISCAR | IC810 | K20 | Lead (one chart or partial overlap), not a recommendation |
| Kennametal | KC5025 | K20 | Lead (one chart or partial overlap), not a recommendation |
| Kennametal | KCU25 | K20 | Lead (one chart or partial overlap), not a recommendation |
| Mitsubishi | MV1020 | K20 | Lead (one chart or partial overlap), not a recommendation |
Sandvik GC3040 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 | IC908 | PVD TiAlN | WCMX050308 |
Compare GC3040 side by side
Insert designations using GC3040
| Designation | Geometry | Catalog code | Application |
|---|---|---|---|
| WCMX050308 | 80° Trigon · 0° clearance · 5mm IC · indexable drill insert | WCMX 05 03 08R-53 GC3040 | K20 |
Frequently asked questions
What is Sandvik GC3040?
GC3040 is a Sandvik carbide insert grade (CVD), applied in the ISO K area, used in 1 insert designation in this reference.
Which grades are comparable to GC3040?
Grades from other makers confirmed at the same ISO application position by two or more manufacturer charts include Mitsubishi VP15TF, Mitsubishi VP20RT, ISCAR IC908, Kennametal KC524M, Kennametal KCK20B. 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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