Product Description
CMT Cove Bit with Bearing - 7/8" Diameter, 3/16" Radius, 1/2" Shank by CMT is a precision cove routing bit designed to mill smooth, concave edge profiles on wood furniture, cabinet doors, drawer fronts, and decorative moldings. The rounded cove profile adds a refined, elegant finish to exposed edges, making this bit a go-to choice for furniture makers, cabinetmakers, and millwork professionals who want consistent, clean results on solid hardwood, softwood, and wood composites. Featuring a 2-flute carbide tip construction and a ball-bearing guide for repeatable depth control, this bit handles both handheld router and router table setups with equal reliability.
Key Features
- 3/16" cove radius with ball-bearing guide - produces a consistent concave profile pass after pass, eliminating guesswork and reducing setup time on repetitive edge work.
- 7/8" cutting diameter and 1/2" cutting height - sized to handle standard furniture edge profiles and decorative trim details without multiple passes on most workpieces.
- 1/2" shank - the larger shank diameter reduces vibration and deflection compared to 1/4" shank bits, resulting in smoother cuts and improved surface finish.
- 2-flute carbide (HW) tip construction - dual cutting edges distribute heat and wear more evenly, extending cutting life and allowing higher feed rates on dense hardwoods.
- Right-hand rotation - compatible with all standard router spindles, works correctly in both handheld and router table configurations without any adaptation.
- Total length of 2-13/32" - compact overall length keeps the bit stable in the collet with minimal overhang, contributing to reduced chatter during long edge runs.
Why This Product
- The 3/16" radius cove profile is one of the most commonly specified decorative edges for furniture and cabinet door applications - having a dedicated cove bit for this size means faster setups and repeatable results without improvising with a larger radius bit.
- The integrated ball-bearing pilot guide keeps the cut depth locked to the bit geometry, so the profile tracks the edge consistently even on curved or irregular workpieces - no fence required for straightforward edge work.
- HW (hardwood-grade carbide) construction means this bit holds its edge longer when routing hardwoods like oak, maple, and cherry, reducing the frequency of resharpening or replacement.
- The 1/2" shank is the preferred choice for router table use and professional-grade handheld routers, offering better torque transfer and reduced runout compared to smaller shank sizes.
Specifications
- Manufacturer Part Number: 837.690.11
- Brand: CMT Orange Tools
- Diameter: 7/8"
- Cutting Height: 1/2"
- Radius: 3/16"
- Shank: 1/2"
- Total Length: 2-13/32"
- Number of Teeth: 2
- Material: HW
- Rotation: RH
Approved Applications
- Cove edge profiles on furniture components
- Cabinet door and drawer front edge detailing
- Decorative molding profiles
- Refined rounded edge work on solid hardwood and softwood
- Router table and handheld router edge shaping
Frequently Asked Questions
What is the cutting radius of this cove bit?
This bit has a 3/16" radius, which produces a concave cove profile suitable for furniture edges, cabinet doors, and decorative trim applications.
Can this bit be used in a handheld router as well as a router table?
Yes. The right-hand rotation and 1/2" shank are compatible with standard handheld routers and router table setups. The ball-bearing guide allows freehand edge routing without requiring a fence in most applications.
Does the bearing guide control the depth of the cove cut?
Yes. The ball-bearing pilot rides along the edge of the workpiece and limits the lateral depth of cut to the geometry of the bit, ensuring a consistent 3/16" radius cove profile along the entire edge.
What materials can this cove bit cut?
The HW carbide tip construction is suited for solid hardwood, softwood, plywood, MDF, and similar wood-based materials commonly used in furniture and cabinetry work.
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