Product Description
The CMT 815.880.11 V-Grooving Bit is a precision-engineered 90 deg. V-groove router bit designed to deliver clean, sharp cuts for sign making, decorative lettering, chamfer grooves, and panel work. Built with two cutting edges and a hardmetal (carbide) construction, this bit handles a wide range of materials including solid hardwood, plywood, MDF, and melamine - making it a versatile choice for both shop and CNC routing applications.
Key Features
- 90 deg. V-Groove Geometry - produces precise, symmetrical V-shaped channels ideal for lettering, sign carving, chamfering, and decorative panel work, with a 1 1/2 in. cutting diameter and 1 1/8 in. cutting height for deep, confident passes.
- 2-Flute Carbide (HW) Construction - hardmetal cutting edges deliver extended tool life and smooth, chip-free cuts across hardwood, softwood, MDF, chipboard, laminates, and melamine surfaces.
- CMT Orange Shield Non-Stick Coating - prevents the bit from overheating, reduces pitch and resin buildup on cutting edges, and protects against corrosion so the bit stays cleaner and lasts longer between cleanings.
- SinterHIP Industrial Chrome Carbide - carbide processed via Hot Isostatic Pressing prevents material failure at the cutting edge and extends cutting life in demanding applications.
- Tri-Metal Brazing - Silver-Copper-Silver brazing bonds the carbide tip securely to the body, protecting against weld failure when routing harder wood or composite materials.
- Anti-Kickback Design - controls depth of cut on each pass and minimizes kickback risk, improving safety and control during handheld or table-mounted routing.
- 1/2 in. Shank - provides a stable, low-vibration connection in routers and CNC machines, contributing to cleaner cuts and reduced chatter at the workpiece.
- Right-Hand Rotation - compatible with standard handheld routers, router tables, and CNC routing machines without any configuration changes.
Why This Product
- Handles diverse woodworking tasks in one bit - the 90 deg. V-groove profile lets you rout decorative lettering, engrave panel faces, cut chamfer grooves, and score drawer fronts or plasterboard panels without switching to a specialty tool.
- Built for durability in production and shop environments - SinterHIP carbide processing and Tri-Metal Brazing combine to keep the cutting edges intact longer under repeated passes through hardwood, composites, and sheet goods.
- Stays cleaner during use - the Orange Shield non-stick coating actively resists pitch and resin adhesion, meaning less downtime for cleaning and more consistent cut quality across long production runs.
- Fits a wide range of machines - the 1/2 in. shank and right-hand rotation make this bit compatible with handheld routers, router tables, and CNC routing machines, so it works across multiple setups in the same shop.
Specifications
- Manufacturer Part Number: 815.880.11
- Brand: CMT Orange Tools
- Cutting Angle: 90 deg.
- Diameter: 1 1/2 in.
- Cutting Height: 1 1/8 in.
- Cutting Height I1: 3/4 in.
- Total Length: 2 3/4 in.
- Shank: 1/2 in.
- Number of Teeth: 2
- Blade Material: HW (Hardmetal Carbide)
- Rotation: Right-Hand (RH)
- Product Type: V-Grooving Bit
Approved Applications
- V-Groove Routing
- Sign Making and Engraving
- Decorative Lettering
- Chamfer Grooves
- Panel Face Routing
- Drawer Front Detailing
- Plasterboard Panel Scoring
Frequently Asked Questions
What machines is this V-groove bit compatible with?
This bit is compatible with handheld routers, router tables, and CNC routing machines. It has a 1/2 in. shank and right-hand rotation, which is the standard configuration for most routing equipment.
What materials can this 90 deg. V-groove bit cut?
The hardmetal carbide (HW) cutting edges are suited for solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, and plastic. The non-stick coating also helps maintain clean results in resin-rich or adhesive-coated materials.
What is the difference between the two cutting height values listed?
The bit lists two cutting height measurements: the overall cutting height (I) is 1 1/8 in., which represents the full depth range of the V-groove profile, while the secondary cutting height (I1) of 3/4 in. represents a specific geometry measurement along the flute. Both values are relevant when planning groove depth and fit for your application.
How does the anti-kickback design work on this bit?
The anti-kickback design limits the amount of material the bit can remove in a single pass by controlling the effective cutting depth. This reduces the chance of the bit grabbing the workpiece unexpectedly, improving safety and control whether you are routing freehand or using a router table.
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