Product Description
CMT Cavetto Edge Mould Bit by CMT is a precision-ground router bit engineered to cut classic cavetto (quarter-round concave) profiles into solid hardwood, softwood, and wood composites. With a 1/4 in. radius cove profile paired with top and bottom fillet grooves, this bit brings traditional moulding character to furniture pieces, cabinetry edges, and architectural millwork. The 1/2 in. shank and right-hand rotation make it compatible with handheld routers, router tables, and CNC routing machines. Whether you use the full profile for a richly detailed traditional cove or run only a portion of the cutting edge for a simpler, cleaner look, this bit delivers consistent, repeatable results in a wide range of wood species and panel products.
Key Features
- Cavetto profile geometry - cuts a traditional quarter-round concave edge with top and bottom fillet grooves, adding architectural detail to furniture and moulding projects that flat or round-over bits simply cannot replicate.
- Versatile partial-profile cutting - because only a portion of the bit needs to engage the workpiece, you can dial in simpler cove edges without changing bits, saving setup time and expanding creative options.
- 5/16 in. radius cove - produces a proportional, classically scaled concave profile suited to period furniture styles and traditional interior millwork.
- 1 1/4 in. cutting diameter - provides the full sweep necessary to complete the cavetto profile in a single pass through compatible wood and wood composite materials.
- 9/16 in. cutting height - captures the complete profile depth, including the fillet grooves, so the finished edge looks intentional and fully formed from the first pass.
- HW (hardmetal / carbide) cutting material - delivers long service life across hardwoods, softwoods, plywood, and composite sheet goods, reducing the frequency of bit replacement.
- 2-tooth (2-flute) configuration - balances chip clearance with surface finish quality, helping you achieve smooth cove surfaces that require minimal sanding.
- 1/2 in. shank - the larger shank diameter reduces vibration and flex compared to 1/4 in. shank bits, contributing to cleaner cuts and improved dimensional accuracy.
- Right-hand rotation - standard direction compatible with the vast majority of routers and router tables, so no special tooling or adapters are needed.
- 2 15/32 in. total length - provides sufficient clearance for use in most router table setups and handheld router configurations without bottoming out in the collet.
Why This Product
- The cavetto profile - a concave quarter-round with fillet grooves - is one of the defining edge treatments in period furniture and traditional moulding work. If you need that look without custom-ground tooling, this bit provides it in a standard 1/2 in. shank format ready for immediate use.
- The 5/16 in. radius is sized for furniture-scale applications where an overly large cove would overwhelm the piece. It works proportionally on drawer fronts, cabinet door frames, shelf edges, and smaller moulding runs.
- Because the bit can be used at partial depth, one tool covers two design intentions - the full traditional cavetto profile with fillets, or a simpler cove edge - reducing the number of specialized bits needed in the shop.
- HW carbide construction means this bit handles the range of materials common in furniture and cabinet shops: solid hardwoods, softwoods, plywood, MDF, and chipboard - without requiring a material-specific tool for each substrate.
Specifications
- Manufacturer Part Number: 863.580.11
- Brand: CMT Orange Tools
- Product Type: Cavetto Edge Mould Bit
- Diameter: 1 1/4 in.
- Cutting Height: 9/16 in.
- Total Length: 2 15/32 in.
- Radius: 5/16 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Cutting Material: HW
- Rotation: Right-hand (RH)
Approved Applications
- Cavetto cove profile edge treatment
- Traditional moulding with top and bottom fillet grooves
- Simple cove edge using partial bit engagement
- Furniture piece edge detailing
- Cabinet door and drawer front profiling
- Architectural millwork and interior moulding
- Solid hardwood edge moulding
- Softwood, plywood, MDF, and wood composite edge profiling
Frequently Asked Questions
Can this bit be used to cut a simpler cove without the full cavetto profile?
Yes. The bit is specifically designed so that only a portion of the cutting edge needs to engage the workpiece. By adjusting the bit height and fence position, you can produce a cleaner, more minimal cove edge rather than the full traditional cavetto profile with fillet grooves - giving you two distinct edge options from a single tool.
What router shank size is required for this bit?
This bit uses a 1/2 in. shank, which is the standard larger collet size found on most mid-size and full-size routers as well as router table spindles. Confirm your router or router table accepts 1/2 in. shank bits before mounting.
What materials can this cavetto bit cut?
The HW (hardmetal carbide) cutting tips allow this bit to work in any kind of wood and wood composites, including solid hardwoods, softwoods, plywood, MDF, and chipboard. Always follow safe feed rate practices appropriate to the specific material density.
What is the difference between the cavetto profile and a standard roundover or cove bit?
A cavetto profile is a quarter-round concave shape that also includes top and bottom fillet grooves - small flat steps at each transition point. This combination is a traditional architectural and furniture detail that gives the finished edge a more refined, period-appropriate appearance compared to a plain cove or roundover. The 5/16 in. radius on this bit creates that characteristic concave sweep with the defining fillet accents on both sides.
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