Product Description
CMT V-Grooving Bit - 90 deg., 5/8" Diameter, 1/2" Cutting Height, 1/2" Shank is a precision router bit engineered for clean, accurate V-groove cuts across a wide range of woodworking and fabrication tasks. With a full 90 deg. included angle and double cutting edges, this bit is purpose-built for sign making, letter routing, chamfer work, and decorative panel engraving. The carbide-tipped construction and right-hand rotation deliver consistent, professional-quality results whether used in a handheld router, a router table, or a CNC routing machine.
Key Features
- 90 deg. V-Groove Angle - produces clean, symmetrical V-shaped channels ideal for lettering, sign making, and chamfering edges without secondary cleanup passes.
- Double Cutting Edges (2 flutes) - two carbide cutting edges work in unison to deliver balanced cuts, reduce vibration, and extend usable tool life between sharpenings.
- HW (Hard Metal / Carbide-Tipped) Construction - industrial-grade carbide tips resist heat and wear, allowing the bit to cut cleanly through hardwoods, softwoods, plywood, MDF, chipboard, laminates, melamine, and plastic.
- 1/2" Shank Diameter - the larger 1/2" shank provides a secure, stable grip in router collets, minimizing runout and improving cut precision over thinner shank alternatives.
- Right-Hand (RH) Rotation - matches the standard rotation direction of virtually all handheld and table-mounted routers, ensuring safe, predictable operation.
- 5/8" Cutting Diameter with 1/2" Cutting Height - delivers precise depth control for grooves, chamfers, and engraved details, with an I1 sub-height of 5/16" for staged cutting flexibility.
- 2 1/2" Total Length - compact overall length keeps the bit rigid and reduces deflection during cuts, which is especially important for fine engraving and lettering applications.
Why This Product
- The 90 deg. double-edge design handles an almost endless range of woodworking possibilities - from chamfering drawer fronts and panel edges to routing crisp decorative lettering - all with a single bit.
- Carbide-tipped (HW material grade) cutting edges stay sharp through demanding materials including plasterboard panels, laminates, and melamine, reducing bit replacement frequency and keeping project costs down.
- The 1/2" shank pairs with the full 2 1/2" tool length to minimize flex and chatter, giving operators tighter groove accuracy on CNC routing machines and router tables alike.
- Compatible with solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic - making this a versatile single-bit solution for cabinet shops, sign fabricators, and woodworking hobbyists working across multiple material types.
Specifications
- Manufacturer Part Number: 815.660.11
- Brand: CMT Orange Tools
- Cutting Angle: 90 deg.
- Diameter: 5/8"
- Cutting Height: 1/2"
- Cutting Height (I1): 5/16"
- Total Length: 2 1/2"
- Shank Diameter: 1/2"
- Number of Teeth: 2
- Blade Material: HW (Hard Metal Carbide-Tipped)
- Rotation: Right-Hand (RH)
- Product Type: V-Grooving Bit
Approved Applications
- V-Groove Routing in panels and drawer fronts
- Sign Making and letter routing
- Decorative engraving on wood panels
- Chamfering edges on solid wood, plywood, and composite panels
- Grooving plasterboard panels
- Decorative routing on laminates and melamine-faced boards
Frequently Asked Questions
What is the included angle of this V-grooving bit, and how does that affect my cuts?
This bit features a 90 deg. included angle. That means each side of the V-groove makes a 45 deg. wall relative to the workpiece surface, producing a symmetrical, clean channel. A 90 deg. angle is a common standard for chamfering edges, routing sign lettering, and creating decorative V-grooves in panels and drawer fronts.
What materials can this CMT V-grooving bit cut?
The carbide-tipped (HW grade) cutting edges are suitable for use in solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, plastic, and plasterboard panels. The two cutting edges help maintain clean, chip-free entry and exit through all of these materials.
Is this bit compatible with my router - does it require a specific collet size?
This bit has a 1/2" shank diameter and is compatible with any handheld router, router table, or CNC routing machine equipped with a 1/2" collet. It is not directly compatible with routers that only accept 1/4" collets without the use of a reduction bushing.
What is the difference between the Cutting Height (I) of 1/2" and the Cutting Height I1 of 5/16"?
The full cutting height (I) of 1/2" represents the total depth of cut this bit can achieve at its widest point. The I1 value of 5/16" represents the upper portion of the cutting edge geometry - useful when planning staged or incremental passes to reduce load on the bit and achieve smoother results, particularly in harder materials or deeper groove applications.
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