VT machining offers CNC Thread Grinding for Incoloy 825 (UNS N08825 / 2.4858), typically supplied annealed. Mo and Cu added for sulfuric and phosphoric acid resistance.
CNC Thread Grinding Notes for Incoloy 825
Thread grinding on Incoloy 825 is used when lead accuracy or finish exceeds what cutting or rolling can achieve.
Process Data for CNC Thread Grinding Incoloy 825
| Wheel (supply condition) | Ceramic aluminium oxide, very soft grade |
|---|---|
| Depth per pass (rough / finish) | 0.01-0.03 / 0.002-0.005 mm |
| Achievable finish | Ra 0.2-0.4 µm |
| Typical size tolerance | Thread class 4h / lead ±0.003 mm per 25 mm |
Typical values for Incoloy 825, Annealed; confirmed on the first part.
Full material data for Incoloy 825 (UNS N08825 / 2.4858) is on the CNC Surface Grinding Incoloy 825 page.
More on CNC Thread Grinding Inconel
Finishing options, quality documentation and general cnc thread grinding guidance for all inconel grades are on our CNC Thread Grinding Inconel page.
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Quoting CNC Thread Grinding Incoloy 825
Send a STEP/IGES model or PDF drawing, confirm Incoloy 825 and its condition (we usually see it supplied annealed), the quantity, critical tolerances and any finish or certificate requirements.
Incoloy 825 in Other Processes
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Send the drawing, the Incoloy 825 condition and the quantity — pricing and lead time come back the same or next business day.
Request a QuoteFrequently Asked Questions
What is CNC Thread Grinding Incoloy 825 and how is it done?
CNC Thread Grinding Incoloy 825 refers to thread grinding produces precise, high-finish threads on hardened parts and lead screws. Applied to Incoloy 825 — high-temperature strength and oxidation resistance — VT machining produces each part to your CAD drawing, selecting parameters from your tolerance, finish and quantity requirements.
Why is Incoloy 825 a good choice for CNC Thread Grinding?
Incoloy 825 is high-temperature strength and oxidation resistance, which makes it well suited to CNC Thread Grinding. We tune the process to the alloy so the finished Incoloy 825 grinding part meets your dimensional and functional requirements.
Which industries use CNC Thread Grinding Incoloy 825 parts?
CNC Thread Grinding Incoloy 825 parts are used across aerospace, medical, automotive, electronics, semiconductor and general industrial sectors — anywhere precise Incoloy 825 components are required.
What tolerances can you hold for CNC Thread Grinding Incoloy 825?
Achievable tolerances for Incoloy 825 grinding depend on the alloy, geometry and feature size. Grinding routinely holds single-micron tolerances on diameter, flatness and parallelism. Exact figures are confirmed against your drawing callouts.