How to Use a Dovetail Jig with Router Bits

By Infinity Cutting Tools | Premium Woodworking Tools ... | Published: 2026-10-29

Category: How-to Guides

Learn step-by-step how to set up and use a dovetail jig with router bits for strong, beautiful wood joints. Includes tips for common mistakes and product recommendations.

Quick answer

To use a dovetail jig with router bits, first secure the jig to your workbench, then adjust the bit depth and guide bushing according to your jig's instructions, and make test cuts on scrap before cutting your final pieces.

Why bit geometry matters for dovetail joints

Dovetail router bits have a unique neck geometry that makes them tricky to produce. Bits like the Infinity Tools 1/4" Shank Dovetail Router Bits are designed with advanced CAD software to ensure smooth cuts and compatibility with popular jigs. Using a poorly made bit can cause tear-out or loose joints.

Choosing the right bit size for your jig

Dovetail bits come in various cutter diameters, angles, and heights. Your jig's template determines which bit size you need. Always match the bit's angle (e.g., 7°, 9°, 14°) to the jig's guide bushing. A mismatch will ruin the joint or damage the bit.

Step-by-step guide to using a dovetail jig with router bits

1. Secure the jig and workpiece: Clamp the dovetail jig firmly to your workbench. Insert the workpiece into the jig and tighten the jig's clamps. Ensure the wood is flush against the jig's back fence. A loose jig or workpiece will cause inaccurate cuts and unsafe operation.
2. Install the correct dovetail bit: Select a dovetail router bit that matches your jig's template angle and size. Insert the bit into your router's collet, leaving about 1/8" of the shank exposed. Tighten securely. Using the wrong bit angle will produce a joint that doesn't fit or is too loose.
3. Adjust bit depth: Lower the router bit until it just touches the workpiece surface, then set the depth according to your jig's instructions (typically 1/2" to 3/4" deep). Lock the router base. Too shallow a cut won't create a full dovetail; too deep can break the bit or damage the jig.
4. Set the guide bushing: Install the correct guide bushing on your router's base plate. The bushing must fit snugly into the jig's template slot. Adjust the bushing offset if your jig allows. A loose or wrong-size bushing will cause the bit to wander, ruining the joint.
5. Make test cuts on scrap: Use scrap wood of the same thickness as your project. Run the router through the template to cut both tails and pins. Test fit the joint. Adjust depth or bushing if needed. Skipping test cuts often leads to wasted material and frustration.
6. Cut the final joint: Once test cuts fit perfectly, repeat the process on your project pieces. Work slowly and steadily, moving the router from left to right. Avoid stopping mid-cut to prevent burn marks. Rushing or stopping mid-cut can cause chatter marks or burning on the wood.

Product facts

Infinity Tools 1/4" Shank Dovetail Router Bits: Infinity Tools offers 14 of the most popular 1/4" shank dovetail router bit sizes. You can find the exact size needed for your jig template, ensuring a precise fit and clean cuts.
Infinity Tools 1/4" Shank Dovetail Router Bits