Product Description
The CMT Contractor Roundover and Beading Bit delivers a smooth, consistent 1/2" radius profile along wood edges, transforming sharp corners into elegant rounded or beaded finishes. Built with two carbide-tipped cutting edges and an anti-kickback body design, this 1 1/4" diameter router bit is engineered for reliable performance in handheld router and router table applications alike. Whether you are softening the edges of furniture components, creating decorative bead profiles, or working toward a drop-leaf table using the classic roundover-and-cove pairing, this bit provides the control and durability that demanding woodworking projects require.
Key Features
- Two Carbide-Tipped Cutting Edges (HW Material) - dual cutting edges made from hard carbide material deliver cleaner cuts with less tear-out, extending cutting life between sharpenings and reducing downtime during production work.
- Anti-Kickback Design - limits the depth of cut on each pass, reducing the risk of sudden kickback and helping maintain consistent, accurate edge profiles even in harder materials.
- Bottom Bearing Included - the integrated ball-bearing pilot rides along the workpiece edge to guide the cut at a consistent depth, eliminating the need for a separate fence setup on most profiling tasks.
- 1/4" Shank - sized to fit a wide range of compact and mid-size routers, making this bit accessible for hobbyist and contractor use without requiring a heavy-duty router.
- Roundover and Beading Profile - a single bit that produces both a classic roundover and a decorative bead profile, giving you flexibility to match different design styles without swapping bits.
- Right-Hand Rotation - standard RH rotation is compatible with all conventional routers, ensuring straightforward setup with no special tooling or adapters required.
- Heat-Treated Shank and Body - the hardened shank and body resist warping and wear under repeated use, contributing to longer overall tool life and consistent performance run after run.
Why This Product
- The combination roundover and beading profile means this single bit handles two of the most commonly requested decorative edge treatments in furniture and cabinetry work, reducing the number of bits you need to keep on hand.
- The anti-kickback body geometry and bottom bearing guide work together to make edge profiling safer and more repeatable, whether you are running freehand with a handheld router or working a dedicated router table setup.
- With a 3/4" cutting height and 1/2" radius, this bit is well-proportioned for typical furniture stock thicknesses, giving you a full, clean profile on solid hardwood, softwood, plywood, and other panel materials in a single controlled pass.
- When paired with a cove bit of matching radius, this roundover bit enables the classic drop-leaf table joint - one of the most practical and visually refined joinery profiles in woodworking - making it a smart addition to any shop producing furniture or decorative millwork.
Specifications
- Manufacturer Part Number: 83807
- Brand: CMT Orange Tools
- Diameter: 1 1/2"
- Radius: 1/2"
- Cutting Height: 3/4"
- Total Length: 2 3/8"
- Shank: 1/4"
- Number of Teeth: 2
- Rotation: Right-Hand (RH)
- Blade Material: Carbide-Tipped (HW)
Approved Applications
- Rounding over sharp edges on furniture components and cabinet doors
- Creating decorative bead profiles along workpiece edges
- Softening corners on solid hardwood, softwood, and panel products
- Drop-leaf table joinery when paired with a matching cove bit
- Edge profiling on plywood, MDF, and laminate panels
- Decorative millwork and trim detailing
What's Included
- 1x CMT Contractor Roundover and Beading Bit (1/2" radius, 1/4" shank) with bottom bearing
Frequently Asked Questions
Can this bit be used in both a handheld router and a router table?
Yes. The 1/4" shank and standard right-hand rotation make this bit compatible with handheld routers and router tables. The bottom bearing guides the cut along the workpiece edge in either setup, though a router table offers additional stability for longer runs or production work.
What is the difference between the roundover profile and the beading profile this bit produces?
A roundover profile removes the sharp corner and replaces it with a smooth curved radius - in this case a 1/2" arc. A beading profile adds a small decorative shoulder or fillet at the base of that rounded edge, creating a more defined, ornamental look. This bit is designed to produce both effects depending on how it is set up relative to the workpiece surface.
How does this bit work with a cove bit for drop-leaf table joinery?
A drop-leaf table joint requires two mating profiles - a roundover on one leaf and a matching cove on the other - so the two surfaces nest together cleanly when the leaf is folded down. This bit cuts the roundover half of that joint. When paired with a cove bit ground to a matching 1/2" radius, the two profiles fit together to create a tight, functional hinge joint along the table edge.
What materials can this bit cut?
The carbide-tipped cutting edges are suitable for solid hardwood, softwood, plywood, MDF, and similar wood-based panel materials. The two-flute configuration and anti-kickback design help maintain control across materials of varying density and hardness.
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