Klein 3211 structural spud wrench forged from alloy steel showing the 1-1/16-inch open jaw, 60-degree head offset, and tapered alignment handle.
Close-up of the Klein 3211 spud wrench head detailing stamped 1-1/16-inch opening and 5/8-inch bolt size identification marks.
Split view showing an ironworker using the tapered handle to align bolt holes and torquing a structural bolt with the 60-degree offset wrench head.
Gloved ironworker holding the Klein 3211 spud wrench displaying the forged alloy steel head and black oxide finish.
Ironworker holding the Klein 3211 spud wrench showing the continuous handle taper designed to slide into bolt holes without binding.
Klein 3211 offset spud wrench engaged on a bolt head demonstrating knuckle clearance along structural wood beam surfaces.
Size chart comparing Klein spud wrench lengths: 14.75-inch (model 3211), 16.63-inch, 17.38-inch, and 18.00-inch models.
Work@Height Tools promotional video
Klein 3211 structural spud wrench forged from alloy steel showing the 1-1/16-inch open jaw, 60-degree head offset, and tapered alignment handle.
Close-up of the Klein 3211 spud wrench head detailing stamped 1-1/16-inch opening and 5/8-inch bolt size identification marks.
Split view showing an ironworker using the tapered handle to align bolt holes and torquing a structural bolt with the 60-degree offset wrench head.
Gloved ironworker holding the Klein 3211 spud wrench displaying the forged alloy steel head and black oxide finish.
Ironworker holding the Klein 3211 spud wrench showing the continuous handle taper designed to slide into bolt holes without binding.
Klein 3211 offset spud wrench engaged on a bolt head demonstrating knuckle clearance along structural wood beam surfaces.
Size chart comparing Klein spud wrench lengths: 14.75-inch (model 3211), 16.63-inch, 17.38-inch, and 18.00-inch models.
Work@Height Tools promotional video
KLEIN TOOLS

Klein Tools Spud Wrench 3211 1-1/16 Inch Opening 5/8 Bolt Industrial Construction Alignment Tool (14.75 Length Forged Black Oxide Offset Steel)

Only 2 left
SKU: 3211
$38.99 USD

Description

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Klein Tools 3211 1-1/16-Inch Nominal Opening Structural Connecting Spud Wrench

The Klein Tools 3211 is a heavy-duty industrial spud wrench designed with a 1-1/16-inch nominal opening for high-torque fastening of 5/8-inch bolts and U.S. Heavy series nuts across structural ironwork projects. Forged in the USA from heat-treated select alloy steel, this 14.75-inch overall length hand tool incorporates an extra-large hub head to sustain extreme levering forces during beam connecting. A continuous handle taper from 7/8 inch down to 3/16 inch allows ironworkers to align misaligned bolt holes without binding, while a 60-degree offset head angle provides maximum hand clearance against structural flanges and gusset plates.

Best Used For:

  • Structural Steel Frame Connecting: Tightening 5/8-inch bolts and U.S. Heavy nuts on structural I-beam flanges, columns, and steel trusses.
  • Bolt Hole Lever Alignment: Driving the 14.75-inch continuously tapered handle through overlapping plate holes to leverage steel members into concentric alignment.
  • Bridge & Tower Erection: Securing heavy steel joints in high-stress infrastructure construction requiring deep hand clearance.

Key Performance & Safety Features

  • Forged US Select Alloy Steel: Premium heat-treated steel construction withstands intense leverage and high torque loads without fracturing.
  • Extra-Large Hub Head Architecture: Reinforced head area provides superior structural integrity and durability on high-leverage fastening jobs.
  • Continuous Non-Binding Taper Handle: Smooth 7/8-inch to 3/16-inch handle taper slides effortlessly into overlapping bolt holes to align multi-layer plates.
  • 60-Degree Offset Head Angle: Deep angle design keeps hand and knuckles clear of beam flanges during high-torque turning operations.
  • Black Oxide Protective Coating: Rust-preventative surface treatment shields the alloy steel body against atmospheric corrosion and site moisture.
  • Stamped Tool Markings: Permanent forging stamps clearly identify part catalog number, bolt diameter, and jaw opening size for fast tool selection.

What's Included

  • (1) Klein Tools 3211 1-1/16-Inch Nominal Opening Structural Spud Wrench

Technical Specifications

Brand Manufacturer Klein Tools®
Model Part Number OEM SKU 3211
Tool Classification System American Bridge Offset Spud Wrench
Nominal Wrench Opening Size 1.063 inches (1-1/16" / 2.7 cm)
Target Fastener Bolt Size 0.625 inch (5/8" / 1.6 cm)
Fastener Profile Compatibility U.S. Heavy Series Nuts
Head Offset Geometry Angle 60 Degrees Offset
Handle Taper Dimensions 0.875 inch to 0.188 inch (2.2 cm to 0.5 cm)
Overall Tool Length Dimension 14.75 inches (37.5 cm)
Head Width Dimension 2.25 inches (5.7 cm)
Overall Tool Height Dimension 1.00 inch (2.5 cm)
Core Metallurgy Material Forged Select US Alloy Steel
Protective Surface Finish Black Oxide with Rust Preventative Treatment
Assembled Net Tool Weight 1.3 lbs / 20.8 oz (0.6 kg)
High-Voltage Insulated Frame No (Uninsulated - do not use on energized electrical circuits)
Country of Origin Made in the USA
Global Trade Item Number GTIN 00092644680076

Pro-Tip: When positioning heavy steel girders, slide the 3/16-inch point of the spud wrench handle into the misaligned bolt hole first, then pull down on the 14.75-inch shaft to lever the beam into place before inserting your 5/8-inch bolt into an adjacent opening.