Product Description
CMT Profile Knives for Insert Shaper System - 1-37/64" x 5/32" (40x4mm), 2-Pack are precision-ground alloyed steel shaper knives designed for use with CMT universal cutter heads. Sold as a matched pair, these 40x4mm profile knives deliver long-lasting performance in molding, profiling, and edge-shaping operations on wood and wood-based materials. Whether you are running a spindle moulder, moulder, or profile and edging machine, these knives are engineered to produce consistent, repeatable profiles with each pass.
Key Features
- Alloyed steel construction - provides the durability and edge retention needed for sustained production use, reducing the frequency of knife changes and downtime.
- Pair knives KSS 40x4mm format - fits the standard 40mm insert shaper system knife slot, making these knives compatible with CMT universal cutter heads and similar systems accepting this knife size.
- A variety of profile knives available for the universal cutter heads - allows woodworkers to swap profiles quickly without replacing the cutter head body, saving time and tooling cost across multiple project types.
- Long-lasting performance - means fewer tool changes and more consistent surface quality over the life of the knives, which is especially valuable in high-volume molding and edging applications.
- 1-37/64" cutting height - provides a generous profile reach suitable for molding, frame-and-panel work, and decorative edge profiling on hardwood, softwood, MDF, and chipboard.
- 12mm radius (profile 176) - delivers a specific, repeatable curved profile ideal for cabinet door making and decorative trim work where a consistent radius is required.
- Maximum thickness of 5/32" - the slim knife body seats securely in standard insert shaper cutter heads, ensuring stable, vibration-free cutting.
Why This Product
- The 40x4mm knife format is designed for CMT universal cutter heads, letting you build a library of profiles around a single cutter head body - a practical, cost-effective approach for shops that run multiple molding profiles.
- With a 12mm radius and 1-37/64" cutting height, profile 176 is well-suited for cabinet door making and decorative frame work where a precise, smooth curve is essential to the finished appearance.
- Made of alloyed steel for long-lasting performance, these knives are built to maintain their edge through repeated passes on hardwood, softwood, MDF, and chipboard without frequent resharpening.
- Sold as a matched pair, both knives are ready to mount together in your cutter head, ensuring balanced cutting and a symmetrical profile result from the first cut.
Specifications
- Manufacturer Part Number: 690.176
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64"
- Radius: 12mm
- Maximum Thickness: 5/32"
- Knife Size: 40x4mm
- Material: Alloyed steel (SP)
- Quantity: 2 knives (sold as a pair)
- System Compatibility: CMT Insert Shaper System - universal cutter heads
Approved Applications
- Molding and profiling on spindle moulders and moulders
- Cabinet door making
- Edge profiling on profile and edging machines
- Frame and panel work
- Decorative trim shaping on hardwood and softwood
- Profiling MDF and chipboard components
What's Included
- 2x CMT 690.176 profile knives (matched pair, 40x4mm)
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 40x4mm profile knives are designed for use with CMT universal cutter heads in the insert shaper system. They are compatible with cutter heads that accept 40mm format insert knives.
What is the radius produced by the CMT 690.176 profile knife?
The CMT 690.176 produces a 12mm radius profile, making it well-suited for cabinet door edges, decorative frames, and curved molding profiles where a consistent, smooth radius is required.
What materials can these shaper knives cut?
These alloyed steel profile knives are suitable for use on hardwood, softwood, MDF, and chipboard - covering the most common materials encountered in cabinetmaking, millwork, and general woodworking.
How many knives come in a package?
Each package includes 2 knives sold as a matched pair. Both knives are intended to be mounted together in the cutter head to ensure balanced, symmetrical cutting performance.
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