The National Hardware N222-372 U-Bolt is a rugged fastening component engineered for reliable attachment to rectangular wood or metal surfaces. Crafted from corrosion-resistant zinc-plated steel, this fastener delivers a sturdy anchor point while the integrated mounting plate distributes load evenly. Supplied complete with hex nuts and ready to install, it offers a dependable solution for industrial and DIY projects alike.
The square shank design eliminates wobble and ensures a tight, secure hold even under vibration. Its zinc coating protects against rust, extending service life in outdoor and humid environments. This fastener is ideal for securing brackets, pipe supports, equipment to beams, frames, and panels, or mounting components in tight spaces where reliability matters.
Features and Benefits
- Square Shank Design: Provides superior torque resistance and load distribution for heavy-duty applications.
- Zinc-Plated Steel: Offers long-lasting corrosion protection, suitable for marine, outdoor, and interior use.
- Integrated Mounting Plate: Spreads pressure across a larger area, reducing material deformation and ensuring stable connections.
- Included Hex Nuts: Guarantees a tight, vibration-proof connection without requiring additional hardware.
- Ready-to-Install: Strap, plate, and hex nuts come assembled for quick setup.
Specifications
- Brand: National Hardware
- Model: N222-372
- Thread Size: 3/8-16
- Thread Length: 3-3/4 inches
- Material: Steel, zinc-plated
- Finish: 657 Zinc
- Configuration: Square U-bolt with mounting plate
- Includes: U-bolt, mounting plate/strap, and hex nuts
- Applications: Exterior and interior








