
Automotive Fasteners
Custom fastening parts for automotive applications.
HYHAVEN CUSTOM COMPONENTS
Custom Fasteners, Lead Screws & Machined Components
Made to your drawing, or made to your sample. Minimum order 2,000 pcs.
Non-standard bolts and special-shaped fasteners for automotive, wheel, machinery and industrial applications, with inspection reports available with every order.
Custom bolts, made to your drawing →
Company exterior shown in the company catalog
COMPANY & LOCATION
HyHaven is the international brand of Wenzhou Jianshun Electrical Co., Ltd. Share a drawing or sample with our team to review dimensions, material, surface finish and order requirements before quotation.
Wenzhou Jianshun Electrical Co., Ltd.PRODUCTION WORKSHOP
A view of the production floor where custom component projects are made. Share your drawing or sample to discuss the manufacturing steps your part needs.

PRODUCT RANGE

Custom fastening parts for automotive applications.

Wheel fasteners made to the dimensions you provide.

Non-standard geometries made to your drawing or sample.

Threaded sleeve components for project-specific assemblies.

Large and socket-head fasteners for industrial assemblies.

Lead screws and worm screws made to your specification.
Automotive manufacturing, rail transit, construction machinery, packaging machinery, electrical equipment and other industrial applications.
Request a QuoteCAPABILITIES
| Cold heading | M5–M24 |
|---|---|
| Machined custom bolts | M8–M64 (range varies by model) |
| Strength grades | 4.8 / 8.8 / 10.9 / 12.9 |
| Processes | Multi-station cold heading, turning, milling, drilling and grinding |
| Inspection | Composition, metallography, hardness, dimensions, contour and surface roughness; inspection report available with each order |
| Main material | 40Cr; other materials by discussion |
| Surface finish | Black oxide, Dacromet, color zinc plating and zinc plating |
| Tolerance | ±0.05 mm |
For an existing sample, template or factory specification, shipping can be arranged quickly, subject to transit time. If no sample is available, a tooling fee is required.
Production terms are discussed based on order quantity.
Questions can be sent during China time 08:00–22:00. This is a contact window, not a response-time commitment.
IN-HOUSE INSPECTION
HOW WE WORK
Distributor, importer, OEM and project-based cooperation welcome.
Samples are paid 100% in advance. For mass production, 30% deposit and 70% balance before shipment. For special requirements, please contact us.
PROJECT INQUIRY
No file upload is available on this form. Please send drawings to support@hyhavenstore.com or WhatsApp +86 139 5881 4345.
CONTACT
Email: support@hyhavenstore.com
WhatsApp: +86 139 5881 4345
Website: hyhavenstore.com