These axle hub dust caps are made of stamped steel with color zinc plating surface treatment for superior rust resistance. The domed press-fit structure seals the hub end, blocking water, mud, dust and road salt to protect bearings and grease inside the wheel hub. A wide selection of diameters is available to fit various trailer, semi-trailer and heavy-duty truck axles. The deep drawing process ensures tight fit and stable sealing.
- Stamped steel body with color zinc plating
- Excellent anti-corrosion performance for outdoor road use
- Domed press-fit structure for easy installation
- Prevent dirt and moisture from contaminating hub bearings
- Suitable for heavy trucks, trailers and commercial axles
- Multiple sizes in stock, custom stamping service supported
Contact us for dimension list and bulk quotation.
FAQ
Q: What is color zinc plated steel hub dust cap for trailer axle used for?
A: This color zinc plated steel hub dust cap for trailer axle is a protective cover for wheel hubs. It seals the hub end to keep out dust, water and road salt, protecting hub bearings and lubricant from damage and extending service life.
Q: What is the difference between color zinc plating and galvanizing?
A: Color zinc plating forms a colorful passivation film, offering good anti-rust performance and a bright appearance, commonly used for small stamped hub caps.
Q: Is this hub dust cap press-fit type?
A: Yes, it is press-fit. You can press it evenly into the hub end without extra fasteners.
Q: Can you supply different inner diameter sizes?
A: Yes, we have many standard sizes. Please provide your hub outer diameter for matching.
Q: Can we order custom sizes?
A: Yes, we support OEM custom sizes and packaging for bulk orders.
