Product Description
CMT 690.091 Profile Knives for Insert Shaper System are a pair of alloyed steel shaper knives sized 1-37/64 in. x 5/32 in. (40x4mm), designed for use with CMT universal cutter heads in the insert shaper system. These profiling knives deliver long-lasting performance on molding, edge profiling, and cabinet door work, making them a reliable choice for woodworkers who demand consistent results from their spindle moulder or profile and edging machine.
Key Features
- Pair of profile knives (KSS 40x4mm) - sold as a matched set of 2, so both cutting edges are replaced together for balanced, vibration-free operation.
- 1-37/64 in. cutting height - provides a generous profile reach, enabling deeper molding and decorative edge work in a single pass.
- 5/32 in. maximum thickness - the slim knife body fits securely into compatible cutter head slots, keeping the knife locked and stable at operating speed.
- Made of alloyed steel - delivers durability and edge retention on hardwood, softwood, MDF, and chipboard applications, reducing the frequency of knife changes.
- Part of a variety of profile knives for the universal cutter heads - means this profile can be mixed and matched with other CMT insert shaper knives to build custom molding sequences without switching machines.
- Long-lasting performance - the alloyed steel construction maintains a sharp cutting edge through extended production runs, lowering overall cost per cut.
Why This Product
- The 40x4mm knife format is compatible with CMT universal insert shaper cutter heads, giving woodworkers the flexibility to swap profiles quickly without dedicated tooling for each shape.
- Selling in pairs ensures both knives in the cutter head are replaced at the same time, maintaining proper balance and a consistent profile across the full width of the cut.
- Alloyed steel construction supports long-lasting performance across a broad range of wood-based materials - from hardwood and softwood to MDF and chipboard - making these knives practical for production and custom shop environments alike.
- The variety of available profiles in the insert shaper system means profile number 091 can be combined with other knives in the CMT range, giving shops the ability to produce multiple molding patterns with a single cutter head investment.
Specifications
- Manufacturer Part Number: 690.091
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Metric Size: 40x4mm
- Material: Alloyed Steel (SP)
- Quantity: 2 knives (pair)
- System: CMT Insert Shaper System (universal cutter heads)
Approved Applications
- Molding and Profiling
- Cabinet Door Making
- Edge Profiling
- Frame and Panel Work
Frequently Asked Questions
What cutter heads are these knives compatible with?
These 40x4mm profile knives are designed for use with CMT universal insert shaper cutter heads. The 40mm knife format fits the insert shaper system, allowing the knives to be swapped between compatible cutter heads in the CMT range.
How many knives are included in a purchase?
Each purchase includes a pair of 2 matched profile knives. Replacing both knives at the same time keeps the cutter head balanced and ensures a consistent, clean profile across the full cut.
What materials can these profile knives cut?
These alloyed steel knives are suited for use on hardwood, softwood, MDF, and chipboard. The material construction supports long-lasting performance across these common wood-based panel and solid wood materials.
Can these knives be used with multiple profile shapes in the same session?
Yes. These knives are part of a variety of profile knives available for CMT universal cutter heads. Different profile numbers can be used with the same cutter head, making it practical to produce multiple molding shapes by changing only the knives rather than the entire tooling setup.
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