Product Description
CMT 690.125 Profile Knives for Insert Shaper System are precision-ground alloyed steel shaping knives designed for use with CMT universal cutter heads in the insert shaper system. Sold as a pair, these 40x4mm profile knives deliver long-lasting performance in molding, profiling, and edge-shaping applications on a wide range of wood-based materials. Whether you are working on cabinet door making, frame and panel work, or decorative edge profiling on a spindle moulder or profile machine, these insert knives provide consistent, repeatable profile results cut after cut.
Key Features
- Alloyed Steel Construction - durable material composition that holds a sharp edge through extended production runs, reducing downtime for replacements.
- 40x4mm Knife Size (1-37/64 in. x 5/32 in. cutting height and thickness) - precise dimensional format fits the CMT universal cutter head insert system, ensuring secure seating and accurate profile reproduction.
- Designed for CMT Universal Cutter Heads - compatible across a variety of CMT insert shaper system cutter heads, giving woodworkers flexibility to swap profiles without changing the entire tooling assembly.
- Sold as a Matched Pair - both knives in the set are ground to the same profile, so the cutter head stays balanced and produces smooth, tear-free surfaces on hardwood, softwood, MDF, and chipboard.
- Long-Lasting Performance - engineered for repeated use on demanding materials, making these knives a cost-effective choice for shops doing high-volume molding and profiling work.
Why This Product
- The 40x4mm insert knife format works across a variety of CMT universal cutter heads, meaning one set of cutter heads can handle many different molding profiles simply by swapping knives - a practical, budget-friendly approach for shops with diverse profile needs.
- Alloyed steel construction provides the toughness needed for production-level cutting on hardwood, softwood, MDF, and chipboard, so you spend less time changing tooling and more time shaping parts.
- Each knife in the pair is ground to the same profile specification, which keeps the cutter head balanced and reduces vibration - resulting in cleaner cuts and better surface quality on finished workpieces.
- The insert shaper system design allows quick knife changes on spindle moulders, moulders, and profile and edging machines, making it straightforward to transition between jobs requiring different molding profiles.
Specifications
- Model Number: 690.125
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- 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
- Cabinet Door Making
- Edge Profiling
- Frame and Panel Work
- Spindle Moulder Operations
- Profile and Edging Machine Operations
Frequently Asked Questions
What machines are these profile knives compatible with?
These 40x4mm insert shaper knives are designed for use with CMT universal cutter heads in the insert shaper system. They are suited for spindle moulders, moulders, and profile and edging machines that accept this knife format.
How many knives are included in this listing?
This listing includes a matched pair of 2 profile knives. Both knives share the same ground profile to maintain cutter head balance and consistent cut quality.
What materials can these knives cut?
These alloyed steel profile knives are suitable for use on hardwood, softwood, MDF, and chipboard - making them versatile for cabinet making, furniture production, and general millwork profiling tasks.
Can I use these knives with different cutter heads in the CMT insert system?
Yes. The CMT insert shaper system is designed so that profile knives in the 40x4mm size work across a variety of CMT universal cutter heads in the 692 series, allowing you to use one set of cutter heads with multiple knife profiles for different molding applications.
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