Product Description
The CMT Round Nose Bit - 3/4" Diameter, 3/8" Radius, 1/4" Shank is a precision-crafted carbide-tipped routing bit designed to cut smooth, semi-circular coves, decorative grooves, and fluted channels in a wide range of wood and wood-derivative materials. Built with 2-flute carbide-tipped construction, this right-hand rotation bit delivers clean, consistent results whether you are personalizing door fronts, drawer panels, or adding ornamental detail to any flat surface. Its compact 1/4" shank makes it compatible with a broad selection of handheld routers and router tables, giving woodworkers of all skill levels a reliable tool for decorative and veining work.
Key Features
- 3/4" Cutting Diameter with 3/8" Radius - produces a true semi-circular cove profile in a single pass, making it ideal for consistent fluting, veining, and decorative groove work without the need for multiple setups.
- 2-Flute Carbide-Tipped (HW) Construction - dual cutting edges extend tool life and improve surface finish quality across hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic.
- 1/4" Shank - fits a wide range of standard routers and router tables, providing versatile compatibility for both benchtop and handheld routing applications.
- 7/16" Cutting Height - provides sufficient depth capacity for decorative profiling and groove routing in typical panel and door-front applications.
- 2" Total Length - compact overall length keeps the bit stable and reduces vibration during operation, contributing to smoother cuts and more precise results.
- Right-Hand Rotation - matches the standard rotation direction of most routers and CNC routing machines, ensuring proper chip ejection and clean cutting action.
- HW (Carbide) Material - hard-wearing carbide construction resists wear even when routing abrasive materials like MDF, chipboard, and laminates, reducing the frequency of bit replacement.
Why This Product
- The 3/8" radius profile is specifically suited for creating delicate decorative accents and signature motifs on doors, drawer fronts, and panels - giving craftspeople a consistent, repeatable cove shape without custom tooling.
- Carbide-tipped flutes handle demanding materials such as MDF, melamine, and plastic in addition to solid wood, making this a single bit that covers a broad range of woodworking and cabinetry tasks.
- The 1/4" shank keeps the bit accessible for use with compact routers and router tables, so both professional shops and hobbyist workspaces can put this bit to work without specialized equipment.
- With a 2" total length and 2-flute geometry, this bit is engineered for stability during decorative routing passes, reducing chatter and helping users achieve cleaner, more professional-looking results.
Specifications
- Manufacturer Part Number: 814.190.11
- Brand: CMT Orange Tools
- Diameter: 3/4"
- Radius: 3/8"
- Shank: 1/4"
- Cutting Height: 7/16"
- Total Length: 2"
- Number of Flutes: 2
- Material: HW (Carbide-Tipped)
- Rotation: Right-Hand (RH)
Approved Applications
- Routing Semi-Circular Coves
- Decorative Groove Routing
- Fluting
- Veining
- Personalizing Doors and Drawer Fronts
- Decorative Panel Accents
Frequently Asked Questions
What profile shape does this bit cut?
This is a round nose (also called a core box) bit with a 3/8" radius, which means it cuts a smooth, semi-circular cove or groove with a 3/4" total width. It is commonly used for fluting columns, routing decorative veining patterns, and adding rounded channel accents to panels, doors, and drawer fronts.
Is this bit compatible with standard handheld routers and router tables?
Yes. The 1/4" shank is compatible with handheld routers, router tables, and CNC routing machines that accept 1/4" collets - which covers the majority of consumer and professional routing equipment.
What materials can this round nose bit be used on?
The carbide-tipped (HW) construction makes this bit suitable for use on solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. Carbide tooling handles abrasive engineered wood products significantly better than high-speed steel alternatives, extending usable tool life.
What does the cutting height of 7/16" mean for my project?
The 7/16" cutting height is the maximum depth along the flutes that can engage the material. For this round nose profile, it means you have enough cutting capacity to produce a full semi-circular cove in standard panel and door-front thicknesses in a single or staged pass depending on your material and router setup.
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