Empire 137B0100 Round U-bolt 1/4-20 Unc 1 Inch Pipe Steel

Product Description

The EMPIRE 137B0100 is a round steel U-bolt designed to secure 1-inch pipe to structural supports in mechanical, plumbing, and HVAC piping systems. It features a 1/4-20 UNC thread with a 2-3/8 inch thread length and a width of 2-3/4 inches to fit standard 1-inch nominal pipe. The fastener is uncoated steel, conforming to standards A-A-1192 Type 24, MSS-SP-58, SP-69 Type 24, and WW-H-171-E Type 24. It ships without a mount plate and includes four hex nuts. Rated load capacity is 485 pounds. Licensed plumbers, pipefitters, HVAC technicians, and mechanical contractors install this type of hardware during pipe hanging and support operations.

This U-bolt is suited for residential and light commercial pipe support applications where 1-inch nominal pipe must be anchored to beam flanges, strut channel, or threaded rod assemblies. Its round bend profile follows the pipe contour for even clamping force distribution. The included hex nuts allow direct installation without sourcing separate hardware. Typical applications include supply and return piping runs, refrigerant line support, and general mechanical system piping routed through framing or suspended from structure.

Key Features

• Sized for 1-inch nominal pipe with a 2-3/4 inch interior width
• 1/4-20 UNC thread with 2-3/8 inch thread length for adequate nut engagement
• 485-pound rated load capacity for reliable pipe support
• Includes four hex nuts — no additional hardware required at installation
• Meets A-A-1192 Type 24, MSS-SP-58, SP-69 Type 24, and WW-H-171-E Type 24 standards
• Uncoated steel construction for standard indoor mechanical system use

Compatibility

Designed as an OEM-style pipe support fastener for 1-inch nominal pipe in standard inch-measurement mechanical and plumbing piping systems.

Installation Notes

Installation is performed by licensed plumbers, pipefitters, or HVAC technicians following applicable mechanical and plumbing codes. Verify the supporting structure or strut is adequately rated before applying load. Thread both hex nuts fully onto each leg before tightening to ensure even clamping across the pipe. Do not overtighten, as excessive torque on small-diameter threads can distort the pipe or strip the fastener.