Honyawn AtlasCHINA MANUFACTURING DIRECTORYCHINA / SHANGHAI / SELF-LOCKING FASTENERS
上海底特精密紧固件股份有限公司
The current DTFLOCK landing page identifies the Chinese company and links self-locking nuts, taps and gauges. Detailed size references below come from its archived English catalogue; current specifications, production location and ordering status remain to be confirmed.
Select a family to see the source, dimensional range and questions to confirm. Images below identify product families. Read each caption for the source and illustration status.
Images are credited individually. Technical illustrations explain published dimensions; they are not factory photographs. Series photographs do not establish individual specifications.
| Family | Published metric range | Published class references | Currency |
|---|---|---|---|
| Hex flange self-locking nuts | M5–M20 | 8 / 10 / 12 / A2-70 | Reconfirm current combinations |
| Hexagon collar self-locking nuts | M12–M48 | 8 / 10 / 12 / A2-70 | Reconfirm current combinations |
Historical family ranges do not establish every size/material/class combination. Ambiguous inch text is not reproduced. Pitch, dimensions, finish and current ordering codes require controlled documents.
Original comparison source ↗Archived range includes flange, collar, non-spinning, acorn and wheel nuts. This profile does not assert aerospace approvals.
Company publication ↗Archive describes matching thread-production and gauging tools; the exact gauge plan and current sizes need confirmation.
Company publication ↗The following identity information is attributed to the company website. It does not replace registration or supplier approval checks.
| Field | Company-published information |
|---|---|
| Chinese entity | 上海底特精密紧固件股份有限公司 |
| Chinese identity source | Current dtflock.com landing page |
| Brand / English archive | DTF / DTFLOCK; archived pages use “DTFLOCK International Co.” |
| Archived contact address | 89 Jiuye Road, Qingpu Industrial Park, Shanghai 201712; not confirmed as the current factory |
| Archived contact email | [email protected]; current contact route requires confirmation |
| Factory and contract entity | Current registry, quotation and producing plant documents required. |
| Document status | Archive lists ISO/TS 16949:2002 wording; no current certification is claimed. |
The brand describes a 30-degree wedge internal-thread concept. Performance depends on the complete threaded joint and must be validated for the intended application.
No model-specific vibration, reuse, temperature or strength test was independently verified. Historical marketing statements are not universal design guarantees.
The archive contact and current Chinese landing identity do not establish a current producing plant. Obtain entity, process, traceability and inspection documents.
These are public-document leads. Current certificate validity and product applicability have not been independently established.
Archived metric family ranges and class references available.
Request controlled drawing, pitch, fit, mating bolt specification and current ordering code.
Archived certificate-version wording is historical and not accepted as current certification.
Check current holder, scope and validity; request joint-specific mechanical/vibration reports.
Buyer guidance from Honyawn Atlas — not a statement of the manufacturer’s commercial terms.
State family, metric size, pitch, bolt grade, finish and service conditions.
Agree installation, torque/clamp-load method and joint-specific test acceptance.
Confirm producing factory, legal contract name, active catalogue, samples and quotation.
Include the drawing or standard, quantity per size and delivery destination. Select quotation, samples or technical documents in the request form.
Prepare a sourcing request →Reviewed 2026-10-24. The publisher and document scope are identified below. Information is attributed to each publisher; no site visit or independent factory audit is claimed.
Chinese company name and product-family links.
Historical metric family ranges and class references; current options not confirmed.
Historical Shanghai address and contact; not confirmed current.
Matching thread-tool and gauge families.
30-degree thread concept; unverified performance claims not adopted.