Gibraltar 12811 7 Fixed Shoulder Eye Bolt 500 Lb 1/4-20

Product Description

The GIBRALTAR 12811 7 is a fixed shoulder lifting eye bolt rated for 500 pounds, manufactured from C-1035 grade forged steel. The shoulder design seats flush against the work surface to resist angular loading and reduce stress at the thread entry point. The 1/4-20 thread is fully threaded along the entire 3-inch shank, giving installers maximum engagement depth when fastening into tapped holes or with a nut. The eye measures 3/4 inch inside diameter and 1-1/4 inches outside diameter. This bolt is used by riggers, millwrights, maintenance technicians, and trade professionals for vertical load suspension and general rigging applications.

This eye bolt is suited for light-duty lifting and rigging tasks in industrial, commercial, and maintenance environments. The shoulder style is the preferred configuration when bolts will be installed through a clearance hole and torqued against a surface, as it distributes load more evenly than a shoulderless design. Typical applications include suspending equipment, securing load lines, and anchoring rigging hardware. The 1/4-20 thread is compatible with standard tapped holes and hex nuts of that size, making it a common fit in fabricated assemblies and equipment frames.

Key Features

• 500 lb rated lifting capacity for vertical load applications
• With-shoulder design provides a bearing surface against the work piece for improved load distribution
• Fully threaded 3-inch shank allows maximum thread engagement depth
• C-1035 forged steel construction for structural integrity under load
• 3/4 inch inside eye diameter accommodates standard hooks and shackles
• 1/4-20 thread size is compatible with widely available hardware and tapped fittings

Compatibility

Designed as a standard fixed shoulder lifting eye bolt for use with 1/4-20 tapped holes or nuts in industrial and mechanical assemblies requiring light-duty overhead or vertical lifting points.

Installation Notes

Installation should be performed by a qualified rigger or maintenance technician familiar with applicable lifting and rigging standards. Before installing, ensure the receiving material is rated to handle the applied load and that the tapped hole or nut meets the required thread engagement depth. The shoulder must seat fully and squarely against the work surface before any load is applied. Never side-load a fixed eye bolt beyond its rated angular capacity and inspect the bolt for deformation or thread damage before each use.