National Marker N222372 Zinc Square U Bolt 3/8x3x7

Product Description

The NATIONAL MARKER N222372 is a zinc-plated square U bolt designed to secure various products to rectangular wood and metal objects. Manufactured from steel wire with a zinc finish, this fastener measures 3/8 inches in diameter, 3 inches in width, and 7 inches in length. The assembly ships with two hex nuts and a plate, making it a ready-to-install fastener solution. Licensed tradespeople and contractors working with structural attachments, conduit supports, or pipe anchoring applications will find this bolt a straightforward, code-appropriate choice for wood and metal substrate work.

This square U bolt is suited for residential and light commercial fastening applications where a rectangular grip profile is required. The square bend geometry provides flat bearing contact against wood lumber, steel channels, and similar rectangular structural members. It is commonly installed by general contractors, electricians, plumbers, and mechanical trades as a clamping or anchoring fastener. At 0.34 pounds per unit, it is lightweight and easy to handle during overhead or confined-space installation.

Key Features

• Square U bolt profile provides flat contact against rectangular wood and metal substrates
• Steel wire construction with zinc plating for corrosion resistance
• 3/8 inch diameter rod with 3 inch x 7 inch overall dimensions
• Includes two hex nuts and a plate, fully assembled out of the box
• Sold individually; minimum order quantity of 5 units

Compatibility

Designed as an OEM-style replacement and general-use fastener compatible with rectangular wood and metal structural members requiring square U bolt attachment.

Installation Notes

Installation is typically performed by a qualified tradesperson using standard hand tools including a wrench or socket set. Disconnect or de-energize any systems in the work area before fastening to avoid contact with live components. Ensure the mounting substrate is structurally sound and that the bolt is tightened to a secure, snug fit without overloading the base material. Follow applicable local building codes and manufacturer guidelines for load-bearing fastener applications.

Technical Specifications

• Rod Diameter: 3/8 inches
• Width: 3 inches
• Length: 7 inches
• Weight: 0.34 pounds
• Material: Steel wire with zinc finish
• Finish: Zinc plated
• Included Hardware: Two hex nuts and plate, assembled
• UOM: Each
• Minimum Order Quantity: 5
• UPC: 00038613178717

Standard Information

• Brand: NATIONAL MARKER
• Manufacturer Part Number: N222372