M40

For M40, manufacturer is SECO; grade designation(s) is TP400 TP40, recorded from its source on 2026-08-11.

ISO application code: M40 verified
Manufacturer: SECO our reading
Grade designation(s): TP400 TP40 verified

Verified2026-08-11

Review by2028-08-10

DatasetCarbide insert grade cross-reference by ISO application group and manufacturer

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

M40 | | GC2025 | | TT5100 | | US735 | | | | JC325V JC450V | GX30 GF30 | KC9045 KC9245 | TP400 TP40 |

— aceratool.com, retrieved 2026-08-11

Source

aceratool.comhttps://www.aceratool.com/carbide-insert-grades-chart/

Last verified against source: 2026-08-11. Due for re-check by 2028-08-10. This page as Markdown · OKF bundle · full dataset as JSON.