Product Description
The CMT V-Grooving Bit with Bearing - 90 deg. - 3/4" Diameter x 5/8" Cutting Height - 1/2" Shank is a precision-engineered routing bit built for clean, controlled V-groove cuts in a wide range of materials. Featuring a 90 deg. cutting angle, this carbide-tipped bit is equally at home on a handheld router, router table, or CNC routing machine - making it a versatile tool for woodworkers, sign makers, and finish carpenters. The integrated bearing guide ensures accurate, repeatable cuts whether you are chamfering edges, engraving lettering, creating decorative panel grooves, or routing drawer fronts.
Key Features
- 90 deg. V-Grooving Angle - delivers sharp, symmetrical V-shaped grooves ideal for chamfering, decorative engraving, sign making, and panel work, giving you clean results without secondary cleanup passes.
- 3/4" Cutting Diameter with 5/8" Cutting Height - covers a practical cutting envelope suited to most groove routing and chamfer applications in panels and solid wood stock.
- Integrated Bearing Guide - follows the edge of your workpiece precisely, reducing the need for additional jigs or fences and improving consistency across repeated cuts.
- 2-Flute Hardmetal (HW) Carbide Construction - twin cutting edges in industrial-grade carbide deliver smooth chip evacuation and a fine surface finish, reducing sanding time after routing.
- 1/2" Shank - provides a robust, vibration-dampening connection to the router collet, which translates to greater stability and accuracy, especially on deeper or longer cuts.
- Right-Hand (RH) Rotation - matches the standard rotation direction of virtually all handheld routers and router tables, so no special setup or collet adapter is required.
- 2 1/4" Total Length - gives adequate clearance for use in router tables and above-table setups without excessive overhang that could introduce chatter.
- CMT Orange Shield Non-Stick Coating - prevents heat buildup during cutting, minimizes pitch and resin accumulation on the bit body, guards against corrosion, and extends overall tool life between sharpenings.
- SinterHIP Industrial Chrome Carbide - carbide processed via Hot Isostatic Pressing resists micro-fractures and material failure at the cutting edge, meaning longer cutting life and fewer bit replacements over time.
- Tri-Metal Brazing (Silver-Copper-Silver) - this three-layer braze bond securely locks the carbide tips to the steel body even when cutting harder wood species or composite materials, virtually eliminating the risk of tip separation.
- Anti-Kickback Design - limits the maximum depth of cut per pass, reducing the risk of sudden bit grab or material kickback for a safer routing experience.
Why This Product
- The 90 deg. V-groove geometry combined with a 5/8" cutting height makes this bit exceptionally capable for routing clean decorative grooves in cabinet panels, drawer fronts, and plasterboard panels - all in a single pass without repositioning.
- The built-in bearing guide eliminates guesswork when following edges or templates, making this bit well-suited to production-level sign making and lettering work where repetition and consistency are critical.
- The combination of SinterHIP carbide and Tri-Metal Brazing addresses two of the most common failure modes in router bits - edge chipping and tip separation - so this bit holds its edge longer across demanding materials including laminates, MDF, and melamine.
- With a 1/2" shank and right-hand rotation, this bit fits the majority of mid-size and full-size routers without adapters, making it a straightforward addition to an existing router setup for both shop and CNC environments.
Specifications
- Manufacturer Part Number: 815.690.11B
- Brand: CMT Orange Tools
- Cutting Angle: 90 deg.
- Diameter: 3/4"
- Cutting Height: 5/8"
- Cutting Height (I1): 3/8"
- Total Length: 2 1/4"
- Shank: 1/2"
- Number of Teeth: 2
- Blade Material: HW (Hardmetal Carbide)
- Rotation: Right-Hand (RH)
- Bearing: Included
- Product Type: V-Grooving Bit with Bearing
Approved Applications
- V-Groove Routing in panels and solid stock
- Sign making and letter routing
- Chamfering edges on solid hardwood, softwood, plywood, and MDF
- Decorative engraving and surface patterning
- Groove routing in chipboard, laminates, melamine, and plastic panels
- Decorative routing on drawer fronts and cabinet faces
- Groove cutting in plasterboard panels
Frequently Asked Questions
What router collet size does this bit require?
This bit has a 1/2" shank, so it requires a router with a 1/2" collet. It is compatible with most mid-size and full-size handheld routers, router tables, and CNC routing machines equipped with a standard 1/2" collet.
What is the purpose of the bearing on this V-grooving bit?
The integrated bearing guide rides along the edge of the workpiece or a template, keeping the bit at a consistent distance and angle from the reference surface. This allows you to produce repeatable chamfers, grooves, and engraved lines without needing a separate fence or jig.
Which materials can this V-groove bit cut?
This bit is suited for use in solid hardwood, softwood, plywood, MDF, chipboard, laminates, melamine, plastic, and plasterboard panels. The hardmetal (HW) carbide cutting edges are designed to handle both natural wood products and engineered panel materials cleanly.
What does the Anti-Kickback design do for user safety?
The Anti-Kickback design built into this bit limits how much material the cutting edge can engage in a single rotation. This reduces the likelihood of the bit grabbing the workpiece suddenly during a routing pass, which is one of the primary causes of loss of control when using a router.
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