Box Joint Joinery

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Box Joint Joinery Jigs & Router Bits for Precise Finger Joints Box joints—also called finger joints—are interlocking rectangular pins and sockets that create a large glue surface and a visually striking corner joint. They are popular for drawer boxes, keepsake boxes, and shop-built tool caddies. Cutting consistent box joints requires either a dedicated jig, a properly configured dado stack, or a purpose-made router bit. Infinity Tools carries the full range: jigs, bits, setup blocks, and complete packages to get you cutting accurate finger joints right away. The box joint jig for router table and table saw is a versatile centerpiece for any finger-joint operation. It indexes each successive cut using a registration key that matches the slot width, producing evenly spaced, self-aligning pins and sockets. For larger finger joints, the portable box joint jig for large finger box joints handles thicker stock and oversized fingers with ease. Setup Accessories & Complete Packages Precise setup is essential for gap-free finger joints. The 5-piece setup block kit takes the guesswork out of indexing pin alignment, while the box joint router bit is ground to precise tolerances for clean, flat-bottomed slots. For a turnkey solution, the joint jig package with flat top blade and setup block kit includes everything you need in one bundle. Jigs for router table and table saw use Specialty router bits with precise tolerances Setup block kits for repeatable alignment Portable jig options for large finger joints For related joinery techniques, explore our biscuit joinery tools and our broader cabinetry & joinery collection.