Product Description
CMT Cove Bit with Bearing - 1 1/8" Diameter, 5/16" Radius, 1/2" Shank by CMT is a professional-grade carbide-tipped router bit engineered to cut smooth, concave cove profiles along wood edges. Whether you are shaping furniture components, adding refined detail to cabinet doors, or creating elegant decorative profiles on drawer fronts, this cove router bit delivers consistent, repeatable results. The integrated ball-bearing guide keeps the bit tracking cleanly against the workpiece for uniform depth on every pass, making it a reliable choice for both handheld router and router table use.
Key Features
- 5/16" Cove Radius with Ball-Bearing Guide - produces a classic concave edge profile with consistent depth control, eliminating the guesswork of freehand setups and reducing the need for repeated test cuts.
- 1 1/8" Cutting Diameter - provides full coverage across the cove profile in a single pass, saving time and reducing the number of router passes needed on furniture and cabinet edges.
- 1/2" Cutting Height - delivers sufficient profile depth for standard furniture edges, door details, and decorative millwork applications without excessive material removal per pass.
- 1/2" Shank Diameter - the larger shank size improves stability in the collet, reduces vibration during cutting, and ensures compatibility with most mid-range and professional routers.
- HW (Hard Metal / Carbide) Cutting Tips - industrial-grade carbide maintains a sharp edge longer when cutting hardwoods, softwoods, plywood, and composite materials, reducing sharpening frequency and downtime.
- 2-Flute (2-Tooth) Configuration - dual cutting edges balance material removal rate with surface finish quality, producing smooth cove profiles ready for sanding or finishing.
- Right-Hand Rotation - standard RH rotation is compatible with all conventional routers, so no special tooling or setups are required.
- 2 3/8" Total Length - compact overall length keeps the bit well-supported in the collet while providing enough reach for typical edge-profiling work on solid wood and panel products.
Why This Product
- Refined edge profiles made simple - the 5/16" radius cove geometry is a widely used profile for furniture edges, cabinet door details, and drawer fronts, giving woodworkers a single bit that handles a broad range of decorative and functional applications.
- Bearing-guided consistency on every pass - the integrated ball-bearing guide rides along the workpiece edge to maintain a fixed cutting depth, so you get uniform cove profiles across long runs of trim, cabinet doors, or furniture parts without repositioning fences or jigs.
- Carbide tips built for production-level use - HW carbide cutting edges stay sharp through repeated cuts in hardwood, softwood, MDF, and plywood, making this bit a practical choice for both shop professionals and serious hobbyists who need reliable long-term performance.
- 1/2" shank for reduced vibration - the full 1/2" shank diameter provides a more rigid connection in the collet compared to smaller shank bits, resulting in cleaner cove profiles and less chatter on the finished edge.
Specifications
- Manufacturer Part Number: 837.754.11
- Brand: CMT Orange Tools
- Bit Type: Cove Bit with Bearing
- Diameter: 1 1/8"
- Cutting Height: 1/2"
- Radius: 5/16"
- Shank: 1/2"
- Total Length: 2 3/8"
- Number of Teeth: 2
- Material: HW (Hard Metal Carbide)
- Rotation: Right-Hand (RH)
Approved Applications
- Cove edge profiles on solid hardwood and softwood
- Furniture edge detailing and finishing
- Cabinet door and drawer front profiles
- Decorative trim and millwork profiles
- Router table profiling operations
- Handheld router edge work
Frequently Asked Questions
What size cove profile does this bit produce?
This bit has a 5/16" radius, which produces a smooth concave cove profile. The cutting diameter is 1 1/8" and the cutting height is 1/2", meaning it shapes the full cove in a single pass along the workpiece edge.
What shank size does this bit use, and which routers will it fit?
This cove bit has a 1/2" shank diameter. It is compatible with any router or router table equipped with a 1/2" collet, which includes the majority of mid-range and professional handheld routers and router table setups. It is not compatible with routers that only accept 1/4" shanks.
What materials can this cove bit cut?
The HW carbide cutting tips are suited for solid hardwood, softwood, plywood, MDF, and other common wood and wood-composite panel materials. The 2-flute configuration supports a balance of cut speed and surface quality across these materials.
Does the bearing guide control the depth of the cove cut?
Yes. The ball-bearing guide rides along the face or edge of the workpiece and sets the lateral position of the cut, which in turn controls how much of the cove profile is applied. This provides consistent, repeatable results across multiple workpieces without needing a separate fence for straight-edge work.
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