National Mfg N222-109 Zinc U-bolt 1/4x1-1/8x3-1/2 in 5 Pack

Product Description

The NATIONAL MFG/SPECTRUM BRANDS HHI N222-109 is a 136-grade zinc U-bolt designed for securing pipe, conduit, tubing, and similar round stock to structural surfaces. Measuring 1/4 inch in diameter with a 1-1/8 inch inside width and a 3-1/2 inch leg length, this U-bolt provides a reliable mechanical grip in light-duty to medium-duty fastening applications. The zinc finish offers corrosion resistance suitable for dry and moderately exposed installations. Sold in a bulk pack of 5 units, this fastener is a standard item for plumbers, electricians, HVAC installers, and general contractors who need dependable, off-the-shelf hardware on the job.

This U-bolt is suited for residential and light commercial applications where pipe or conduit needs to be anchored to framing, strut channel, or flat structural members. The 1-1/8 inch inside width accommodates common small-diameter pipe and conduit sizes. The bulk pack format makes it practical for service vans, supply houses, and job-site use where multiple fasteners are needed in a single call.

Key Features

• 136-grade zinc construction for corrosion resistance in typical indoor and sheltered installations
• 1/4 inch bolt diameter provides standard thread sizing for compatible nuts and hardware
• 1-1/8 inch inside width fits common small-diameter pipe and conduit
• 3-1/2 inch leg length accommodates standard mounting depth requirements
• Bulk pack of 5 units for efficient job-site use

Compatibility

Designed as a standard 136-grade zinc U-bolt for use with small-diameter pipe, conduit, or tubing in typical plumbing, electrical, and mechanical fastening applications.

Installation Notes

U-bolts of this type are installed by plumbers, electricians, and HVAC technicians in accordance with applicable local mechanical and electrical codes. Ensure the mating surface and hardware are compatible with the zinc finish to avoid galvanic corrosion concerns. Tighten nuts evenly on both legs to distribute clamping force uniformly around the pipe or conduit. De-energize any electrical circuits and shut off fluid systems before working on supported lines.