Klein Tools 3219 Erection Wrench 1/2 Inch Bolt

Product Description

The KLEIN TOOLS 3219 is an erection wrench sized for 1/2-inch bolt US regular nuts. Erection wrenches are long-handled, offset open-end wrenches used in structural steel assembly and ironwork. The extended handle provides the leverage needed to align bolt holes and drive fasteners in high-torque applications. At 1.36 pounds, the 3219 is light enough for all-day carry on the iron. Licensed ironworkers, structural erectors, and millwrights are the primary users of this tool on commercial and industrial job sites.

The 3219 is suited for structural steel erection work where US regular hex nuts on 1/2-inch bolts are the fastener standard. It is a common hand tool on steel-frame building projects, bridge work, and heavy equipment installation. The offset geometry allows the wrench to clear obstructions that a standard open-end wrench cannot, making it practical in tight column and beam connection points.

Key Features

• Sized for 1/2-inch bolt US regular hex nuts
• Erection-wrench offset design clears obstructions in structural connections
• Lightweight at 1.36 pounds for extended carry and use at height
• Sold individually (each)

Compatibility

Designed for use with US regular hex nuts on 1/2-inch bolts in structural steel erection applications.

Installation Notes

This wrench is a hand tool used by licensed ironworkers and structural erectors. Inspect the wrench for cracks or deformation before each use, particularly when working at elevation. Never use a cheater bar or pipe extension on an erection wrench, as overloading can cause sudden tool failure. Follow applicable OSHA and site safety requirements when working on structural steel.

Technical Specifications

• Bolt Size: 1/2 inch
• Nut Type: US Regular
• Weight: 1.36 pounds
• Unit of Measure: Each
• UPC: 092644680144

Standard Information

• Brand: KLEIN TOOLS
• Manufacturer Part Number: 3219