Galvanized Steel Spring Box with Nylon Ball and Inner Ring
High-quality rolling shutter door spring box featuring durable nylon ball and inner ring components, available in customizable sizes to meet your specific requirements.
Product Specifications
| Product Name | Nylon Ball Spring Box NYLON BEAD AND RING |
| Application | Spring Box for Rolling Shutter Door/Roller Shutter Door/Gate |
| Origin | Factory Direct |
| Surface Treatment | Galvanized Steel |
| Outer Diameter | 200mm, 220mm, 240mm |
| Inner Diameter (Tube Diameter) | 43mm, 48mm, 50mm, 60mm, 76mm or custom sizes available |
| Inner Roller Material | Nylon Ball and Inner Ring |
| Packing | 10 pieces per bag |
| Bag Colors | Yellow, Blue |
Product Image
Packing Dimensions
- 200mm: 60×40×20cm per bag
- 220mm: 60×44×22cm per bag
- 240mm: 60×48×24cm per bag

Frequently Asked Questions
How is your company doing?
Our company maintains high standards of honesty and integrity. We provide premium quality rolling shutter door accessories with strict quality control throughout the entire manufacturing process, from raw material procurement to final delivery.
Can you make customized products?
Yes, we offer complete customization services for hardware products. We can create custom molds according to your technical drawings or physical samples.
Contact us for price consultation and customized product inquiries. We are committed to providing reliable spring box solutions for your rolling shutter door applications.