CMT Hinge Mortise Cut Router Bit, 3/8 in

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Key item features

Precise Keyhole: This industrial tool is specifically engineered for creating T-shaped "keyhole" slots in wood, enabling flush mounting of frames, plaques, and mirrors.
Three-Step Operation: The bit executes a three-step sequence, boring an entry hole, cutting a 3/16 inch narrow neck, and finishing with a wider internal chamber under the surface.
Versatile Compatibility: Ideal for use with a plunge router for vertical entry and horizontal slotting, it can also be used in CNC machines or stationary router tables with secure clamping.
Optimal Dimensions: Features a 3/8 inch cutting diameter and a 1/4 inch shank, designed for precise and secure keyhole slot creation.
Secure Mounting: The resulting keyhole slots allow items to be securely mounted on screws or nails, ensuring stability and a flush finish against the wall.
Solid Construction: The CMT 850.001.11 is a solid carbide keyhole bit, ensuring durability and precision in its operation.

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Specs

Cutting edge material
Tungsten Carbide
Size
3/8"
Compatibility
plunge router
Drill bit & set type
Router Bits
Piece count
1
Brand
CMT

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Columbus, 43215

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About this item

Product details

The CMT 850.001.11 Solid Carbide Keyhole Bit is a precision-engineered industrial tool designed specifically for creating "keyhole" slots in wood. These T-shaped slots allow frames, plaques, and mirrors to be mounted flush against a wall by sliding over a screw or nail head. The bit operates in a three-step sequence: it bores an entry hole into the material, transitions to a narrow neck cut, and finishes by carving a wider internal chamber under the surface to accommodate the screw head. This feature is best suited for plunge routers, allowing for vertical entry and horizontal slotting movement. It can also be used in CNC machines or stationary router tables, provided the workpiece is securely clamped.

CMT Hinge Mortise Cut Router Bit, 3/8 in

The bit bores an entry hole in the wood, then proceeds to cut a 3/16 in hole and finishes by boring a larger opening under the surface
Ideal for securely mounting wall hangings on screws and nails
Safety tips: ensure the workplace is securely fastened to a router table or workbench
Recommended for use with a plunge router
Features a 1/4 in shank

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Specifications

Cutting edge material

Tungsten Carbide

Size

3/8"

Compatibility

plunge router

Drill bit & set type

Router Bits

Warranty

Warranty information

All products come with a 90 Day, or longer, manufacturer warranty

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