Cap Nuts
Cap Nuts
Key Features of Cap Nuts:- Domed Cap: Covers exposed threads, offering protection against damage, dirt, and moisture, and providing a polished, finished appearance.
- Closed-End and Open-End Options:
- Closed-End Cap Nuts: Fully enclose the threaded end, providing maximum protection and a smooth finish.
- Open-End Cap Nuts: Allow for longer threads to protrude through the nut, useful in applications where length adjustment is necessary.
- Washer-Based Nuts: Integrated washer design helps distribute the load and provides additional protection to the fastening surface.
- Imperial Sizes: Range from 1-8 to 7/8-9, offering a variety of options to accommodate different thread sizes and applications.
- Protective Covering: Ideal for covering exposed threaded ends in automotive, construction, and industrial applications, preventing damage and corrosion.
- Aesthetic Finishing: Provides a clean, professional look for visible fasteners in furniture, machinery, and equipment.
- Safety: Eliminates sharp edges of exposed threads, reducing the risk of injury and snagging in both residential and commercial settings.
- Protection: Shields exposed threads from environmental damage, extending the life of the fastener.
- Versatility: Available in multiple sizes and styles to meet various application requirements.
- Ease of Use: Simple to install, providing both functional and aesthetic benefits with minimal effort.
Why Choose Springs Fastener?
Shipping Details

Most orders ship within 24 hours. Shipping is available across the United States.
Comprehensive Inventory

Our extensive catalog includes fasteners in various materials, finishes, sizes, and grades.
Ease of Online Purchasing

We accept Visa, MasterCard, AMEX, and Discover.
Purchasing Options

Our fasteners are available in both individual packages and in bulk quantities with tiered bulk pricing.