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Freud keyhole bit 70-104 is a router bit designed to hang pictures, plaques, or shelves using completely concealed fasteners so wall hardware stays out of sight while the load still bears on a solid cut. The bit uses a large diameter end to bore a cavity that accepts nail or screw heads, creating a recess that locks over common hanging fasteners for secure wall mounting. A smaller diameter section then forms the keyhole slot that provides clearance for the nail or screw shank, which lets the mounted item slide down into position and sit tight against the wall. The 25/64 inch diameter cutting profile works with appropriately sized fastener heads, and the bit length of 2 inches provides room to plunge and travel for a full keyhole slot. A 1/4 inch shank fits routers that accept this common shank size.
The 25/64 inch diameter cutting end on this keyhole router bit establishes the size of the entry pocket for the fastener head, which means the fastener head needs to fit easily into that bored section for a smooth slide into the slot. The 1/4 inch shank fits routers designed for 1/4 inch tooling, allowing the bit to be secured in hand-held or table-mounted portable routers as well as CNC and other automatic routers that accept this shank size. The 2 inch overall length provides travel distance to plunge, move, and exit while routing the keyhole path, which supports creating a usable entry and tail for hanging. Using the bit on solid hard or soft wood, plywood, or composites keeps the stated materials within the working range of this Freud router bit.
This keyhole bit is described as the perfect way to hang plaques or shelving with completely hidden fasteners, which makes it suited to wall-mounted pieces where a clean front face is important. Its ability to hang pictures, plaques, or shelves with completely concealed fasteners supports applications such as decorative wall panels, nameplates, and small shelving where the keyhole route on the back accepts nail or screw heads. Best use on solid hard or soft wood, plywood, or composites aligns with typical cabinet parts, furniture panels, and shop-fabricated fixtures, so a single bit can cover many wood-based substrates used in woodworking. Compatibility with CNC and other automatic routers as well as hand-held and table-mounted portable routers lets shops integrate the same cut pattern into both automated nesting workflows and manual routing stations.
The large diameter end that bores the cavity for nail or screw heads sets the main bearing area for the hanging load, which helps the workpiece sit flat against the wall because the head nests inside the routed pocket instead of standing proud. The smaller diameter portion that forms the slot for the nail or screw shank keeps the fastener constrained in a narrow path, which helps the wall-mounted piece locate in a repeatable vertical position once lowered onto the fastener. Freud Perma-SHIELD Coating on the bit protects the bit surface, which supports consistent cutting action over many cycles in solid wood, plywood, and composite panels. The router bit design dedicated to keyhole hanging concentrates the cutting profile into a single pass operation, which can reduce setup changes when routing back-side mounting points in a production environment or on site. Using a 1/4 inch shank standardizes this keyhole geometry across compact routers and many CNC or automatic machines that accept that shank, which simplifies tool selection when the same concealed hanging detail needs to appear on different projects.
The Freud keyhole bit 70-104 is best for solid hard or soft wood, plywood, or composites, so it covers typical cabinet, furniture, and fixture panels made from these substrates.
The 25/64 inch diameter sets the size of the entry pocket for the fastener head, allowing the head to enter the routed cavity and support the hanging load inside the material.
The 1/4 inch shank matches routers designed for 1/4 inch tooling, which allows the same bit to be used in hand-held, table-mounted, CNC, and other automatic routers that accept this shank.
The keyhole bit is specified for use on CNC and other automatic routers, as well as hand-held and table-mounted portable routers, which supports both automated and manual routing setups.
The large end bores a recess for the fastener head and the small section routes a slot for the shank, so the head seats inside the panel and remains hidden during hanging.
Freud Perma-SHIELD Coating provides a coating on the bit, which helps protect the cutting body as it works repeatedly in solid wood, plywood, and composite materials.
The Freud Tool keyhole bit with 25/64 inch diameter, 1/4 inch shank, and 2 inch length is designed specifically for hanging pictures, plaques, or shelves with completely hidden fasteners. Its geometry creates a cavity for nail or screw heads and a guided slot for the shank in solid hard or soft wood, plywood, or composites. With suitability for CNC, automatic, hand-held, and table-mounted routers, this Freud Perma-SHIELD coated bit from Wurth Baer Supply supports consistent concealed hanging details across shop and jobsite work.
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