Klein Tools 3210 American Bridge alloy steel spud wrench on a white background, featuring a 7/8 inch opening for 1/2 inch heavy nuts and a continuous taper handle for steel erection bolt alignment, alongside a Made in USA logo.
Close-up of the extra heavy-duty head on the Klein Tools 3210 spud wrench, displaying the 7/8 inch nominal opening and stamped metal markings for 1/2 inch heavy nuts and 9/16 inch regular nuts.
A professional ironworker wearing a safety harness and protective leather gloves holding the Klein Tools 3210 alloy steel spud wrench on an industrial job site.
An ironworker securely gripping the Klein Tools 3210 spud wrench, highlighting the long continuous taper handle designed for precise bolt hole alignment during steel erection.
Action shot of a gloved hand using the 60-degree offset head of the Klein Tools 3210 American Bridge spud wrench to easily turn a heavy square bolt on a large wooden timber.
The Name on the Tools is Our Reputation promotional how to video
Klein Tools 3210 American Bridge alloy steel spud wrench on a white background, featuring a 7/8 inch opening for 1/2 inch heavy nuts and a continuous taper handle for steel erection bolt alignment, alongside a Made in USA logo.
Close-up of the extra heavy-duty head on the Klein Tools 3210 spud wrench, displaying the 7/8 inch nominal opening and stamped metal markings for 1/2 inch heavy nuts and 9/16 inch regular nuts.
A professional ironworker wearing a safety harness and protective leather gloves holding the Klein Tools 3210 alloy steel spud wrench on an industrial job site.
An ironworker securely gripping the Klein Tools 3210 spud wrench, highlighting the long continuous taper handle designed for precise bolt hole alignment during steel erection.
Action shot of a gloved hand using the 60-degree offset head of the Klein Tools 3210 American Bridge spud wrench to easily turn a heavy square bolt on a large wooden timber.
The Name on the Tools is Our Reputation promotional how to video
KLEIN TOOLS

Klein Tools Spud Wrench 3210 7/8 Inch Opening American Bridge Steel Erection Fastening Tool (1/2 Inch Heavy Nut Forged Alloy 60 Degree Offset Alignment)

Only 1 left
SKU: 3210
$36.99 USD

Description

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High-Leverage Structural Steel Fastening and Bolt Hole Alignment

The Klein Tools 3210 is a forged alloy steel spud wrench featuring a 7/8-inch nominal opening engineered for 1/2-inch heavy nuts and 9/16-inch regular nuts in structural steel erection. This dual-purpose hand tool combines a heavy-duty 60-degree offset head for maximum torque clearance with a continuous-taper handle designed to align overlapping bolt holes during beam assembly. Made in the USA and coated in a rust-preventative black oxide finish, it provides the commercial-grade durability needed for high-leverage heavy structural applications.

Best Used For:

  • Structural Beam Connection: Aligning matching drift pin paths and bolt openings across heavy structural steel framing components.
  • Heavy Fastener Installation: Torquing 1/2-inch U.S. heavy nuts and 9/16-inch regular nuts tightly during industrial building frame assembly.
  • Flat Surface Maneuvering: Working flat against steel plates using the 60-degree offset handle angle to maintain optimal hand clearance.

Key Performance & Safety Features

  • Reinforced Head Construction: Extra-duty head cross-section provides high resistance against jaw stretching or structural cracking under load.
  • Continuous-Taper Pin: Long, smooth handle tapers seamlessly from 7/8 inch down to 3/16 inch to position mismatched structural connections without sticking.
  • 60-Degree Offset Geometry: Angled head configuration keeps the operator's hands safely away from flat metal faces during high-torque turning.
  • Corrosion Shield Coating: Industrial black oxide finish with an integrated rust preventative resists harsh outdoor jobsite weathering.
  • Deep-Stamped Markings: Catalog numbers, nominal opening profiles, and matching bolt sizes are permanently stamped into the tool for immediate selection.

What's Included

  • (1) 7/8-Inch Nominal Opening Spud Wrench for 1/2-Inch Heavy Nut (3210)

Technical Specifications

Type Spud Wrench
Application Connecting Steel Members
Special Features Extra Heavy-Duty Head
Nominal Opening 7/8 Inch
Heavy Nut Size 1/2 Inch
Regular Nut Size 9/16 Inch
Overall Length 14.75 Inches
Overall Width 2.25 Inches
Overall Height 1 Inch
Taper Diameter 7/8 Inch to 3/16 Inch
Offset Angle 60 Degrees
Material Forged Alloy Steel
Finish Black Oxide with Rust Preventative
Weight 1.4 lbs.
Pro-Tip: Use only the smooth continuous-tapered handle end for structural prying or heavy drift alignment; never strike the side of the wrench head with a sledgehammer, as this can alter the jaw tolerance and ruin fastener fitment.