Product Description
The CMT 815.690.11 V-Grooving Bit is a precision-ground, 90 deg. carbide-tipped routing bit engineered for clean, accurate V-groove cuts in a wide range of wood-based and composite panel materials. With a 3/4 in. cutting diameter, 5/8 in. cutting height, and 1/2 in. shank, this double-flute bit delivers the control and edge quality that woodworkers, sign makers, and cabinetmakers demand. Whether you are engraving decorative lettering, chamfering panel edges, or cutting precise V-grooves in drawer fronts and plasterboard panels, this CMT bit offers versatile performance across both handheld router and router table setups.
Key Features
- 90 deg. V-Groove Geometry - produces sharp, well-defined grooves ideal for sign lettering, chamfer edges, and decorative panel routing without secondary cleanup passes.
- 3/4 in. Cutting Diameter with 5/8 in. Cutting Height - delivers a wide, deep groove profile in a single pass, reducing machining time and improving consistency across repeated cuts.
- 2-Flute (Double Cutting Edge) Design - balances the bit during rotation for smoother feed rates, reduced vibration, and cleaner finished surfaces on solid hardwood, MDF, plywood, and laminates.
- HW (Hard Metal / Carbide-Tipped) Construction - provides long-lasting edge retention when routing abrasive materials such as melamine, chipboard, and plastic composites, extending tool life between sharpenings.
- Right-Hand (RH) Rotation - matches standard router spindle direction for immediate, hassle-free setup on handheld routers, router tables, and CNC routing machines.
- 1/2 in. Shank - the larger shank diameter reduces deflection and chatter compared to smaller-shank alternatives, resulting in more precise cuts and better surface quality.
- 2-1/2 in. Total Length - provides adequate clearance for most router table and handheld applications without excessive overhang that could introduce flex.
Why This Product
- The 90 deg. included angle is the industry-standard geometry for V-groove sign lettering and chamfer work, meaning the cut lines up predictably with design templates and CNC toolpaths without angle conversion.
- The double cutting edge configuration means both flutes share the material removal load equally, which translates to noticeably smoother groove walls on melamine, laminates, and fine hardwoods where tear-out is a concern.
- With a 1/2 in. shank and 3/4 in. cutting diameter, this bit is sized for production-level rigidity - it is equally at home on a router table doing repetitive cabinet panel work as it is on a CNC machine running engraving passes.
- HW carbide construction holds its edge through abrasive sheet goods like chipboard and MDF far longer than high-speed steel alternatives, making it a practical choice for shops that route composite panels regularly.
Specifications
- Manufacturer Part Number: 815.690.11
- Brand: CMT Orange Tools
- Cutting Angle: 90 deg.
- Diameter: 3/4 in.
- Cutting Height: 5/8 in.
- Cutting Height I1: 3/8 in.
- Total Length: 2-1/2 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Blade Material: HW (Carbide-Tipped)
- Rotation: RH (Right-Hand)
- Product Type: V-Grooving Bit
Approved Applications
- V-Groove Routing in panels and drawer fronts
- Sign making and letter routing / engraving
- Chamfering edges on solid wood and sheet goods
- Decorative grooves in plasterboard panels
- Decorative woodworking and panel detailing
Frequently Asked Questions
What materials can this V-grooving bit cut?
This bit is suited for solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. The HW carbide-tipped construction handles abrasive composite sheet goods as well as natural wood species across this range.
Is this bit compatible with CNC routing machines, or only handheld routers?
The CMT 815.690.11 is compatible with handheld routers, router tables, and CNC routing machines. The 1/2 in. shank and right-hand rotation make it straightforward to mount in standard router collets used across all three machine types.
What is the difference between the two cutting height dimensions listed - 5/8 in. and 3/8 in.?
The overall cutting height (I) is 5/8 in., which represents the full depth the bit can engage material. The secondary cutting height (I1) of 3/8 in. indicates the measurement of the active cutting edge segment itself. Both dimensions together define the complete cutting geometry of the 90 deg. V profile.
How does the double cutting edge design benefit my routing work?
With 2 flutes sharing the cutting load, the bit stays better balanced during operation. This reduces vibration transmitted to the workpiece, which directly improves the smoothness of groove walls - particularly important when routing fine hardwoods, melamine-faced panels, or when engraving decorative lettering where clean edge definition matters.
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