Skip Content

Please Upgrade Your Browser Grainger will no longer support Internet Explorer 8 as of 07/2018. Please upgrade your browser or contact your System Administrator for support.


Offset Head Structural Wrench 5/8" Head Size, 12" L, Alloy Steel

  • Item # 19C643
  • My Part #
  • Mfr. Model # JC903A
  • Catalog Page # N/A
  • UNSPSC # 27111714
Offset Head Structural Wrench 5/8" Head Size, 12" L, Alloy Steel close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $21.90 / each
Activate Now

to save with

Select AdvantageSM

Please sign in or register to access lists

Please sign in or register to access Quote

Want to Get Free Shipping?

  • Shipping Weight 0.7 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

The Proto® offset head structural wrench has a long offset handle for greater leverage and more clearance for knuckles and obstructions. The hardened tapered handle helps align bolt and rivet holes. The open end is precision broached for a proper fit. Nonreflective black oxide finish.

View More

Technical Specs

  • Item Offset Head Structural Wrench
  • Item Type Open End
  • Number of Points 0
  • Head Size 5/8"
  • Overall Length 12"
  • Offset 3/4"
  • Head Thickness 7/16"
  • Handle Type Tapered
  • Wrench Material Alloy Steel
  • Finish Black Oxide
  • Standards Federal Specification GGG-W-636E
How can we improve our Technical Specifications?

Compliance and Restrictions


Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.