Joinery Guides

A router dado jig clamps directly to the workpiece and guides the router base along a straight path to cut a precise dado. It is useful when the workpiece is too large to run across a table saw, or when a dado stack is not available. The router approach also eliminates the need to raise a blade, making it practical for job-site or bench-top setups.

Yes. The INCRA I-Box jig is designed to work in both settings. At the table saw it pairs with a dado stack; at the router table it pairs with a straight or spiral bit. The gear-driven index mechanism delivers identical spacing in either configuration.

A coping sled holds a workpiece vertically or at a controlled angle for end-grain cuts at the router table, such as coping rail ends on cabinet doors. The sled controls the workpiece against the bit, preventing kickback and chipout that can occur when pushing small or narrow stock against the fence unsupported. See the coping & crosscut sled for a purpose-built option.

A dovetail spline jig guides a sled at 45 degrees across a mitered corner, allowing a dovetail bit to cut a slot that accepts a tapered dovetail spline. The spline mechanically locks the miter, reinforcing it against racking and adding a visible decorative accent to boxes, frames, and case corners.

A mortise jig, such as the M Power router base accessories, attaches to the router and provides a guide bushing that follows a template or fence to cut a square or rectangular recess. Hinge mortise jigs position the cut at a precise inset from the door edge so hinge leaves sit flush with the surface.

Most jigs in this collection are compatible with standard router base diameters or work through a replaceable insert system. Check the product listing for specific base diameter compatibility. Universal base-plate options in the router base plates & bushings collection can extend compatibility to a wider range of routers.

A precise dado jig is arguably the most immediately useful, since dadoes and grooves appear in nearly every cabinet and shelf project. Once dadoes are mastered, a box joint jig opens up decorative corner joinery. The Infinity Tools woodworking blog covers technique for both.

Not always. Dado jigs and combination router bases are designed for handheld router use. Box joint jigs and coping sleds, however, require either a router table or table saw. Check each product's specifications to confirm whether table mounting is required.

Traditional mechanical jigs are designed for hand-guided or fence-guided routing and are not intended for CNC use. CNC joinery is typically controlled through toolpaths rather than physical jigs. Browse the CNC router bits & accessories collection for CNC-specific tooling.

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