Jig for hinge and lock mortising router with double aluminum rails for edge routing
4.7 / 5.0 (based on more than 2613 reviews)
Stop fighting a wandering router: make mortises and slots exactly where you marked them
Freehand routing is where good projects go wrong. This Router Mortise & Slot Jig keeps your trim router between two aluminum guide rails, keeps the bit on a perfectly parallel line, and lets you rout clean mortises, grooves, and slots for hidden fasteners along the edge of any board without wobble, without splintering, and without doing the work over.
Crooked mortises are a setup problem, not a skill problem
You measured, you marked, and you started routing neatly. Two inches later, the router pulled to one side, the bit drifted, and now you’re stuck with a workpiece you can’t replace and a sloppy mortise. Compact trim routers don’t have a true built-in edge guide, and most aftermarket guides are made of loose plastic that shifts as soon as you apply pressure.
➤ Twin aluminum guide rails lock in the cutting line: Two anodized aluminum guides clamp firmly against both sides of the workpiece, so the router runs perfectly parallel from start to finish without drifting and without jumping across the grain.
➤ Four thumb screws set the slot position: Tighten the knurled thumb screws by hand to fine-tune the distance from the bit to the edge. Make centered mortises, offset grooves, or fastener slots with the same jig, without shims and without calculations.
➤ Clear acrylic base for a full view of your layout lines: See your pencil line, the bit, and your stop marks through a 1/4-inch (6.35mm) acrylic plate and plunge exactly where you intended every time.
Fits any 65mm (2.56\") trim router, with no drilling or modifications
If the body of your compact router measures between 63.5mm and 65mm (2.5\"-2.56\"), which covers most palm and trim routers from Makita, DeWalt, Bosch, Milwaukee, and Ryobi, just slide the jig on, tighten it down, and start routing within two minutes. The included 1/4-inch (6.35mm) shank straight router bit (11mm / 0.43 in cutting diameter, 30mm / 1.18 in cutting length) is ready out of the box for hinge mortises, biscuit slots, and 8mm/10mm (0.31 in / 0.39 in) channels for hidden fasteners.
Other guides flex when you press on them. These aluminum rails stay flat, clamp firmly to the workpiece, and let you lean into the router with confidence without the jig wandering off the edge.
Why hobbyists and pros replace their old edge guides
Woodworkers who had given up on making mortises freehand and reached for a chisel for every hinge set this jig once and then make joints they would normally pay a cabinet shop to do. As one customer put it: \"Wish I’d bought this before I started the kitchen. From six bad mortises to zero.\"
Jobs you used to avoid, done in minutes
✓ Repeatable hinge mortises: Set the rails once and make every door in the run identical, without swapping templates and without measuring twice per door.
✓ Hidden fastener slots done right: Make clean Z-clip and panel-connector channels for flat-pack furniture and edge-joined panels, the kind of joinery that used to require an expensive specialty jig.
✓ Edges that look shop-made: The anodized aluminum rails don’t flex, the knurled steel thumb screws stay tight under vibration, and the acrylic base shrugs off bumps and resin.
How to use it: three steps, less than two minutes to the first cut
Step 1: Place your trim router in the clear acrylic collar and tighten the side clamp by hand until the body is secure.
Step 2: Slide the twin aluminum rails against both sides of the workpiece and lock the four thumb screws. The bit now follows a fixed line.
Step 3: Switch on, plunge to the correct depth, and run the router from one stop mark to the other. Lift it away and you have a mortise that fits right away.
| Mortise & Slot Jig | Freehand / Chisel | Generic Plastic Edge Guides |
|---|---|---|
| Tracks perfectly parallel along the edge with twin aluminum guide rails | ❌ Wanders off line, depends on a steady hand | ❌ Single rail, flexes under pressure |
| Makes mortises and hidden fastener slots from one setup | ❌ A different tool for every cut | ❌ Mortises only, no fastener slots |
| Fits 63.5-65mm (2.5\"-2.56\") trim routers, including Makita, DeWalt, Bosch, and Milwaukee | ❌ N/A | ❌ Often made for one specific router and locked to one brand |
Specifications: what you really need to know
- Type: Dual-function router mortise and slot jig
- Functions: Cutting edge mortises and slots, plus cutting slots for hidden fasteners
- Router compatibility: 63.5-65mm (2.5\", 2.56\") body diameter, fits most compact, trim, and palm routers
- Base dimensions: 165mm × 104mm × 36mm (6.5\" × 4.09\" × 1.42\")
- Included router bit: 1/4\" (6.35mm) shank straight router bit, 11mm (0.43 in) cutting diameter, 30mm (1.18 in) cutting length, 60mm (2.36 in) overall
- Construction: Anodized aluminum rails, clear acrylic collar, knurled steel thumb screws
Your questions, answered
Will it fit my specific router?
If your trim or palm router has a body between 63.5mm and 65mm (2.5\"-2.56\"), which covers the Makita RT0700/RT0701, DeWalt DCW600/DWP611, Bosch Colt PR20EVS, Milwaukee 2723-20, and most Ryobi palm routers, it will slide right in. If you’re not sure, measure your router body before ordering.
What kinds of cuts can I make with it?
Hinge mortises, biscuit- and domino-style slots, edge grooves for shelf supports, channels for sliding rails, and slots for invisible Z-clip fasteners on flat-pack panels. The included 11mm (0.43 in) router bit handles the most common slot widths; swap it for other 1/4\" (6.35mm) shank straight router bits for narrower or wider cuts.
Is it strong enough for hardwood, or just pine and plywood?
The aluminum rails and steel thumb screws are suitable for oak, walnut, maple, and hardwood plywood without bending. In dense hardwood, take two passes to depth to keep the bit cool and the cut clean.
How long does the first setup take?
Place the router in it, clamp the rails to the workpiece, set the four thumb screws, and plunge to the correct depth. Once you’ve done it twice, it takes less than two minutes from box to first mortise.
Built like the jig you would make yourself, if you had a CNC and a day off
If this jig doesn’t give you cleaner, straighter mortises than your current setup on your very first project, send it back for a full refund. There are no restocking fees, and you don’t have to prove how you made your test pieces.
