

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The GIBRALTAR SWB-04SS-G is a stainless steel swing bolt designed for clamping, latching, and toggle-fastening applications across industrial, marine, and mechanical service environments. The bolt features a 5/16-18 thread size with a 1-3/8 inch thread length and a 5/16 inch hole diameter at the swing end. The head thickness measures 3/8 inch, and the hole center-to-end dimension is 3 inches. Constructed from Grade 303 stainless steel, this fastener resists corrosion in wet, chemical-exposed, or outdoor service conditions. Licensed trades and maintenance professionals install swing bolts in panel latching systems, enclosure hardware, and pressure-clamping assemblies.
This swing bolt is suited for light industrial and commercial installations where a corrosion-resistant toggle fastener is required. Typical applications include electrical enclosures, HVAC access panel hardware, mechanical equipment covers, and marine-grade latch systems. The 5/16-18 thread pitch is a common unified coarse standard, making it straightforward to pair with standard wing nuts, hex nuts, or T-nuts in existing assemblies. Its stainless steel construction makes it appropriate for outdoor exposure, humid environments, or installations where a steel or zinc fastener would corrode prematurely.
Designed as an OEM-style replacement or direct-install swing bolt for enclosure latching systems, access panel hardware, and mechanical clamping assemblies requiring a 5/16-18 stainless steel fastener with a 3 inch hole center-to-end dimension.
Installation of swing bolts is typically performed by maintenance technicians, electricians, or mechanical contractors as part of enclosure or panel hardware service. Before servicing any enclosure or panel, de-energize the system according to applicable NFPA 70 lockout-tagout procedures. Use appropriate hand tools to seat the bolt and mating nut; do not overtighten, as Grade 303 stainless fasteners are not rated for high-torque structural applications. Inspect the swing pivot for free movement after installation to confirm proper latch engagement.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!