The mill certificate and heat number are matched to the grade on your drawing before bar reaches a machine, so each lot traces back to its melt.
Divine Precision
Divine Precision
Shafts, pins, valve stems and fittings turned from bar to your drawing, passivated or electropolished. 17-4PH bearing diameters are ground to ±0.005 mm, with the condition set per drawing. Send your drawing for a quote.
| Dimensional capability | |
|---|---|
| Process | CNC turning from bar, ground tight diameters; slender small parts on swiss cnc machining |
| Diameter range | Bar Ø 3–65 mm; billet for larger sections |
| Length | Per drawing, L/D reviewed at quote; billet to 200 mm |
| Diameter tolerance | Ground ±0.005 mm, turned ±0.01 mm |
| Surface finish | Ra 1.6 µm standard; Ra 0.4 µm when called out |
| Threads | M1.6–M36, UNC / UNF |
| Secondary features | Cross holes, flats, knurls, grooves, laser marking |
| Ordering | |
|---|---|
| Basis | Build-to-print; other metals under CNC turned parts |
| Minimum order | 1 piece |
| Prototype lead time | 3 days (fast); 2–3 weeks typical |
| Production lead time | 4–6 weeks typical |
| Batch size | 100–100,000+ pieces |
| File formats | STEP or IGES with 2D GD&T drawing; SLDPRT, PRT, DWG, PDF |
| Packing | VCI film, anti-rust oil, trays; packing machined parts for sea freight |
303 vs 304 stainless steel comes first; passivation of stainless steel follows.
The mill certificate and heat number are matched to the grade on your drawing before bar reaches a machine, so each lot traces back to its melt.
The first piece is measured on the CMM and the FAI report is sent to you. The run begins only after your sign-off.
Operators sample critical dimensions through the run to an AQL plan, so drift is corrected at the machine instead of at the end.
Every lot gets a 100% dimensional and visual check. The material certificate and inspection record ship standard; PPAP packages are available on request. See the precision machined medical parts case, made under the ISO 9001 quality system with full traceability.
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Ask a QuestionStainless turns well on a rigid setup, and 304 generally cuts more easily than 316L. Choose 316L when chlorides or chemicals are the concern. If corrosion demands are modest, 303 is the easiest of the three, at some cost in corrosion resistance and weldability.
Call out the condition on the drawing, for example H900 or H1150, plus the hardness range you need. Lower H numbers give higher strength; higher ones trade strength for toughness. We work to the condition per your drawing.
Aging shifts dimensions slightly, so tight diameters are best finished after it, typically by grinding, with roughing done earlier. State your preference on the drawing; the route is confirmed on the quote.
Ground diameters hold ±0.005 mm and turned diameters ±0.01 mm. Ra 1.6 µm is the standard finish, and Ra 0.4 µm is available when called out. Mark critical features on the drawing so they are checked first.
One piece is the minimum. Prototypes ship in 3 days on the fast route, with scope confirmed at quote, or in 2–3 weeks typically. Production lots run 4–6 weeks typically. Rush options exist for many jobs and are confirmed per quote.
A material certificate showing mill and heat number ships with every lot, with the inspection record from the 100% final check. An FAI report is sent before production starts. PPAP packages are available on request.

Send your CAD drawings, 2D/3D files, or technical documents securely. Our team reviews promptly, protects your IP fully — and signs an NDA on request.