Product Description
CMT 690.083 Profile Knives for Insert Shaper System are precision-ground alloyed steel shaper knives designed for use with CMT universal cutter heads, delivering consistent molding profiles and smooth surface finishes on hardwood, softwood, MDF, and chipboard. Sold as a pair of 2 knives sized 1-37/64 in. x 5/32 in. (40x4mm), these insert shaper knives bring long-lasting performance to spindle moulders, profile machines, and edge shapers where repeatable results are essential.
Key Features
- Alloyed steel construction - provides durability and long-lasting cutting performance across repeated shaping and molding operations, reducing the need for frequent knife replacement.
- 40x4mm knife size (1-37/64 in. x 5/32 in.) - a widely compatible profile knife format that fits CMT universal cutter heads and other insert shaper systems accepting this standard knife dimension, giving you flexible machine compatibility.
- Designed for universal cutter heads - integrates directly with CMT insert shaper cutter head systems, simplifying setup and profile changes without specialized tooling or adapters.
- Sold as a matched pair (2 knives) - ensures balanced cutting performance and even load distribution across the cutter head, which helps produce cleaner, vibration-free profiles.
- Profile number 083 - a specific, identifiable molding profile that makes reordering straightforward and helps maintain consistent profile output across production runs.
Why This Product
- For woodworkers and millwork shops running CMT universal cutter heads, these profile knives slot directly into the insert shaper system - eliminating the need to purchase separate dedicated heads for each profile and keeping tooling costs manageable.
- The alloyed steel material provides the durability needed for production-level shaping on hardwood, softwood, MDF, and chipboard, making these knives a practical choice for shops working across multiple material types.
- The standard 40x4mm knife size means compatibility extends beyond a single machine, giving shops with multiple insert shaper platforms the option to use one knife format across different setups.
- Buying a matched pair ensures both knives are ground to the same profile specification, so the cutter head runs in balance - a key factor in achieving smooth, accurate molding and reducing surface tearout.
Specifications
- Manufacturer Part Number: 690.083
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Knife Size: 40x4mm
- Material: Alloyed steel
- Profile Number: 083
- Quantity: 2 knives (1 pair)
- System Compatibility: CMT Insert Shaper System - universal cutter heads
Approved Applications
- Molding and profiling on hardwood and softwood
- Edge profiling on MDF and chipboard panels
- Cabinet door making and frame and panel work
- Use with spindle moulders, moulders, and profile and edging machines
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 690.083 profile knives are designed for the CMT Insert Shaper System and are compatible with CMT universal cutter heads. They use the standard 40x4mm knife size, which is accepted by a variety of universal cutter head platforms.
How many knives are included in one purchase?
Each package includes 2 knives - sold as a matched pair. Running a matched pair ensures balanced load distribution on the cutter head for cleaner, more consistent profile results.
What materials can these profile knives cut?
These alloyed steel profile knives are suited for use on hardwood, softwood, MDF, and chipboard, making them a versatile choice for furniture making, millwork, and cabinet production environments.
What is the knife size and cutting height for the 690.083?
The 690.083 knives measure 1-37/64 in. in cutting height and 5/32 in. in maximum thickness, corresponding to the 40x4mm metric dimension used in the CMT insert shaper knife system.
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