JessEm Box Joint Jig for Router Tables
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Cut Clean, Accurate Box Joints on Your Router Table
The JessEm Box Joint Jig for Router Tables gives woodworkers a smooth, precise, and repeatable way to cut strong, great-looking box joints without the frustration of complicated setups. Whether you’re building drawers, boxes, shop projects, cabinet parts, or decorative joinery, this jig helps deliver clean-fitting fingers with the accuracy your work deserves.
Designed to work with router tables that have a standard miter track, the jig rides on four high-quality R4 bearings for smooth, controlled travel across the table. That steady motion helps keep each cut consistent, so your joinery fits tighter, looks cleaner, and requires less fussing at assembly.
Three Common Box Joint Sizes Included
The jig includes three aluminum indexing keys in 1/4", 3/8", and 1/2" sizes, giving you the flexibility to match your box joint layout to your project. From small decorative boxes to larger drawer and casework parts, you can quickly choose the right setup for the look and strength you want.
Stable Support with Baltic Birch Fences
Three matching Baltic birch fences are included to provide solid workpiece support and accurate alignment while cutting. The fence system helps keep your material controlled throughout the cut, making it easier to produce crisp, repeatable results from one joint to the next.
Smooth Travel, Easy Adjustments, Better Results
With 4-1/4" of travel and full access to your router lift, the JessEm Box Joint Jig lets you raise, lower, and lock your router bit in place without removing your router plate. That means less downtime during setup and more control when dialing in the perfect fit.
Built-In Safety and Clamping Compatibility
An adjustable bit guard helps improve safety and workpiece control during use. The jig also features a custom dovetail slot compatible with the MicroJig MatchFit Clamping System, giving you more options for securing material and improving repeatability.
Shop-Friendly Storage
When the job is done, the wall-mountable design makes it easy to hang the jig out of the way while keeping it close at hand for the next project.
Key Features
- Designed for cutting accurate box joints on a router table
- Smooth glide system with four R4 bearings
- Includes 1/4", 3/8", and 1/2" aluminum indexing keys
- Includes three matching Baltic birch fences
- 4-1/4" length of travel
- Allows access to raise, lower, and lock your router lift without removing the plate
- Adjustable bit guard for added safety and control
- Custom dovetail slot works with the MicroJig MatchFit Clamping System
- Wall-mountable design for convenient storage
Compatibility Note
This box joint jig is compatible with router tables that have a standard miter track. The distance from the miter track to the center of the router bit must be between 4.2" and 7.7".
Router lifts not compatible: Rockler Pro Lift, Kreg PRS3000, Woodpecker PRL-V1, Woodpecker PRL-V2, the Rockler SL Lift, or the Infinity RTI-INF1 insert plate with Triton routers.
Upgrade Your Router Table Joinery
If you want strong, precise, repeatable box joints without relying on a table saw jig, the JessEm Box Joint Jig is a smart addition to your router table setup. It is built for accuracy, smooth operation, and efficient setup, helping you create cleaner joinery with confidence.
