Custom extension springs
Extension springs, also called tension springs, work by stretching: they are fixed at both ends and pull them back together. They are used in roller shutters, awnings, doors, return mechanisms and all kinds of devices.
We make the body and the ends to order: short or long hooks, closed or elongated loops, angled hooks and special ends to your drawing or sample.
What we make
- Hooks or loops at both ends
- One long and one short hook
- Angled hooks or straight ends
- Long and thin, or short and sturdy
- Conical and close-wound shapes
Capabilities
| Manufacturing | To the customer's drawing, sample or requirements |
|---|---|
| Materials | Spring steel and stainless steel; ask us about other materials |
| Ends | Custom hooks, loops and special ends |
| Batch size | From short runs to high volumes |
Typical applications
- Roller shutters and awnings
- Insect screens and doors
- Return mechanisms
- Toys and leisure products
- Machinery and appliances
What we need to prepare a quote
- Wire diameter (d)
- Outside diameter (OD)
- Overall length inside the hooks
- Type, length and orientation of hooks or loops
- Working load or length, if known
- Material and finish
- Approximate quantity per order or per year
