Key traits
- General stainless
- Passivate OK
- No anodize
Stainless
304 Stainless CNC in Dongguan, China | Zoryra Precision
AKA: SS304 / 1.4301
General stainlessPassivate OKNo anodize
304 is general-purpose stainless — passivate/polish, never anodize. Fits general corrosion structures and instruments.
Available processes
CNC machiningSheet metalRapid proto
Typical applications
- Instrument housings
- Brackets
- Fastener interfaces
Common finishes
- Passivate
- Polish
- Bead blast
Who machines it, and where
Parts are factory-direct from Dongguan Zerui Precision Manufacturing Co., Ltd. in Dongguan, China, Guangdong. Outward brand: ZORYRA / Zoryra Precision.
From 1 pc. After CAD upload you get an AI itemized reference; firm orders follow the drawing and the agreed payment node. We do not pass off third-party plant photos as our line.
This page shows no invented ISO / AS / FDA numbers. Systems we do not hold are not written as held. Factory visits can be arranged.
Zoryra Precision 304 / 1.4301 in Dongguan, China: instrument housings, brackets, fastener interfaces. Mill/turn/sheet; passivate or polish. Stainless is not anodized. No invented ISO.
Dongguan, China 304 (1.4301): general stainless — mill, turn, sheet. Passivate/polish, never anodize. Instrument housings and general corrosion parts. Implants out of scope by default. From 1 pc.
Typical parts
- Instrument housings
- Brackets
- Fastener interfaces
- Pins and sleeves
- Sheet covers
- Passivated structures
Materials & finishes
- 304 — passivate, not anodize
- 316 — higher corrosion, separate review
- 6061 — aluminum housings on its page
- Polish — as ticked
DFM: passivate, not anodize, thin walls
- Do not anodize
- Call passivate/polish on the drawing
- Flag workholding on thin walls
- Material certs per order agreement
Inspection and documents (as ticked)
- Dimensional report as ticked
- FAI as ticked
- CMM as ticked
- Material certs per order agreement
Lead time (clock starts at the payment node)
Lead tiers: Economy / Standard / Express. Standard is about 10 working days as a reference; Express about 6 when capacity allows.
The clock starts at the agreed payment node. Anodize, powder, passivate, and outsourced heat-treat days sit on that clock.
Titanium, thick hard-coat, inserts, and complex gauges re-clock. The quote sketch governs.
What we don’t do
- Stainless is not anodized
- Implants out of scope by default
- No invented ISO/FDA
- Passivate days sit on the lead clock
FAQ
Do you list ISO / AS / FDA numbers here?
No invented numbers. Systems we do not hold are not written as held. Factory visits can be arranged.
Do you take 1 pc?
Yes. After CAD you get an AI itemized reference; firm orders follow the drawing and payment node.
When does the lead clock start?
At the agreed payment node. Anodize, powder, passivate days sit on the clock. Tiers on the quote: Economy / Standard / Express.
Can 304 be anodized?
No. Passivate or polish instead.
Implants by default?
No. Medical-adjacent parts can be reviewed; implants stay out of scope.
Grade and lead follow the quote options. Call out critical tolerances, temper, and masking on the drawing/notes. Material certs selectable on the quote.
Quote with Stainless 304
Upload CAD with this grade preselected — set finish and inspection on the quote.