National Marker N222406 Zinc Square U-bolt 3/8 X 4 X 7 in

Product Description

The NATIONAL MARKER N222406 is a zinc-plated square U-bolt designed to secure components to rectangular wood and metal surfaces. Formed from steel wire with a zinc finish for corrosion resistance, this U-bolt measures 0.375 inches in rod diameter, 4 inches in width, and 7 inches in length. Each unit ships assembled with a mounting plate and two hex nuts included, making it ready for immediate installation without sourcing additional hardware. It is well suited for mechanical, structural, and general fastening applications across the trades.

This square U-bolt is appropriate for use in residential, commercial, and light industrial settings where pipe, conduit, tubing, or structural members need to be anchored to wood framing or metal substrates. The square bend profile provides flat bearing contact along rectangular surfaces, distributing clamping load evenly. Licensed tradespeople including plumbers, HVAC technicians, and electricians commonly use this fastener when routing and securing lines through framing assemblies or equipment supports.

Key Features

• Square U-bolt profile for flat, even clamping on rectangular wood and metal surfaces
• Zinc-plated steel wire construction for corrosion resistance in typical indoor and sheltered applications
• Ships assembled with mounting plate and two hex nuts included
• Rod diameter of 0.375 inches with 4-inch width and 7-inch leg length
• Sold individually; minimum order quantity of 5 units

Compatibility

Designed as an OEM-style square U-bolt replacement or new-installation fastener for securing pipe, conduit, or structural members to rectangular wood and metal framing members.

Installation Notes

Installation should be performed by a qualified tradesperson following applicable mechanical and structural codes. Ensure the mounting surface is structurally sound before torquing the hex nuts. Do not overtighten, as excessive force can deform the steel wire or crack the mounting substrate. Verify that the zinc finish is appropriate for the service environment, as this coating is not rated for submersion or highly corrosive atmospheres.