Non-Standard Custom Machining Anti-Rotation Connector Housing with ±0.01mm Tolerance and NDA IP Protection Keyed Connector Housing
Custom Anti-Rotation Housing
,Non-Standard Sealing Thread
,OEM Connector Housing Machining
Need an anti-rotation connector housing that is not a standard part? Dongguan Changxinda Precision Technology Co., Ltd. machines fully custom, non-standard keyed housings and sealing-thread connectors to your drawing or 3D model. Since 2008 the factory has built one-off prototypes and scheduled production batches for 200+ customers across ten industries, exporting 50–60% of its output overseas.
We are build-to-print: you define the key count, flat width, thread standard, sealing face and material; we return a manufacturability review and a quote, then machine, inspect and ship. Critical features — key width, thread position and bore — are held to ± 0.01 mm and verified on a CMM whether you order one prototype or a recurring batch.
Custom does not mean uncertain. Our workflow keeps you in control from drawing to delivery:
- Send drawings: 2D PDF, STEP, IGES or SolidWorks — or a physical sample to reverse-engineer.
- DFM review: engineering feedback on key geometry, thread standard, sealing faces and cost before you commit.
- Quote in 24h: transparent pricing by drawing and quantity, no tooling charge.
- Program & fixture: dedicated turn-mill CAM and fixtures for your housing.
- CNC machining: turning, key milling and thread cutting to ±0.01 mm on critical features.
- Finish & inspect: anodizing, polishing or coating, then CMM dimensional report.
- Ship: protected export packing to your schedule.
Non-standard is our normal work. Custom key layouts, flat widths, sealing-thread combinations, multi-port bodies and mounting flanges — all machined to print.
Confidentiality is a condition of the job, not an add-on. We sign an NDA before engineering review, limit drawing access to the assigned programming and machining team, keep your fixtures and programs dedicated to your program, and scrap surplus or reject parts on request. You keep the IP; we keep it that way.
Changxinda is a 2008-established CNC factory with 90+ staff, multiple turn-mill lathes and 4-axis / 5-axis machining centers backed by a dedicated QC lab.
Custom keyed housing and connector work for ten industries, all under one roof and one inspection standard:
- 100% custom anti-rotation housings and sealing-thread connectors
- ±0.01 mm on key width, thread position and bore
- NDA and IP protection before engineering review
- Threads: NPT, BSPP, BSPT, UN and metric
- Materials: aluminum, stainless steel, brass, titanium
- Surface: black / clear anodizing, polishing, coating
- Dedicated turn-mill fixtures and programs per customer part
- No tooling charge, MOQ from 1 piece
- Stable scheduled batches for repeat orders
- 200+ served customers, 50–60% exported
| Product Type | Custom anti-rotation connector housing / sealing-thread connector (OEM / ODM) |
|---|---|
| Machining | Turn-mill composite, build to drawing |
| Tolerance | ±0.01 mm on critical features |
| Material Options | Aluminum, stainless steel, brass, titanium |
| Thread Standards | NPT / BSPP / BSPT / UN / Metric |
| Surface Treatment | Black / clear anodizing, polishing, coating |
| Confidentiality | NDA / IP protection available |
| Inspection | CMM + full dimensional report |
| MOQ | 1 piece |
A: Yes — that is our core work. Send a 2D drawing, STEP/IGES/SolidWorks model or a physical sample and we machine the custom keys, threads and sealing faces to print.
A: Yes, routinely. Drawings are limited to the assigned programming and machining team, fixtures and programs stay dedicated to your part, and surplus or reject parts are scrapped on request.
A: One piece. There is no tooling or setup charge, so single prototypes are practical and mass production runs on the same inspection standard.
A: Capacity is planned per program. Prototypes ship in 3–7 days, small batches in 7–14 days and production volumes in 14–30 days, with supply ability up to 10,000 pieces per month.
A: NPT, BSPP, BSPT, UN and metric threads in aluminum, stainless steel, brass or titanium — matched to your pressure, temperature and media requirements.
A: Every part is CMM-inspected against the drawing — key width, thread position, bore and sealing faces — with a full dimensional report and first-article inspection on new programs.
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