Precision Mortising Jig | Woodworking Project | Woodsmith Plans

Precision Mortising Jig

Accurate, repeatable mortises are guaranteed with this sliding table.

When a project calls for a lot of mortises, nothing beats the power of a mortising machine. The only drawback to a mortiser is that repositioning the workpiece to drill the overlapping “holes” can be a hassle. This sliding X-Y auxiliary table makes mortising a breeze. First, the long, steel hold-down and toggle clamp anchor the workpiece. Then just turn a hand wheel to move the large table from front to back to accurately position the mortise. Finally, turn another hand wheel to move the table side-to-side. The end result is a clean, straight mortise. Best of all, it only takes some simple hardware to accomplish these tasks. And it all adds up to one shop accessory you’ll wonder how you ever got along without.




What You Get:

  • 10 printable (digital) pages of step-by-step instructions
  • 34 full-color photos and illustrations
  • Shop-tested techniques ensure your success
  • Materials list
  • Retail sources for hardware and supplies

Note: After your purchase, you will receive an email containing a PDF attachment of your purchased plan, as well as instructions for logging in to download the plan and access any other associated files and videos, which will all be located on this page.

Project Supplies & Hardware

Check out our Editor’s recommendations for project supplies and hardware. (We may receive commission when you use our affiliate links. However, this does not impact our recommendations.)

Steel Angle

Plunger Clamp

Hand Wheel

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