166079 - 9/16"-18 Shackle Bolt

Secure your trailer's leaf spring suspension system with the 9/16"-18 x 3-1/2" Shackle Bolt with Nut (Part #166079). Designed for durability and reliability, this high-quality bolt is ideal for connecting leaf springs to hangers or equalizers in both double-eye and slipper spring configurations. Its fluted shoulder design prevents rotation during installation, ensuring a stable and secure fit.

Key Features

• Bolt Diameter: 9/16"

• Thread Size: 9/16"-18 UNF (fine thread)

• Length: 3-1/2"

• Material: Grade 5 steel for enhanced strength

• Finish: Plain

• Design: Fluted shoulder to prevent bolt rotation

• Nut Included: Yes, matching locknut

• Application: Suitable for 1-3/4" wide leaf springs in trailer suspension systems

Specifications

• Part Number: 166079

• Bolt Diameter: 9/16"

• Thread Size: 9/16"-18 UNF

• Length: 3-1/2"

• Material: Grade 5 steel

• Finish: Plain

• Weight: Approximately 0.33 lbs

Applications

This shackle bolt is commonly used in:

• Trailer axle assemblies

• Leaf spring suspension systems

• Connecting leaf springs to hangers or equalizers

• General-purpose fastening applications requiring a 9/16" diameter bolt