Product Description
CMT 690.056 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 as part of the Insert Shaper System. These precision profile knives deliver consistent molding results across a variety of profiling tasks, making them a reliable choice for woodworkers, cabinetmakers, and millwork professionals who depend on accurate, repeatable cuts in hardwood, softwood, and sheet materials.
Key Features
- Pair of 40x4mm profile knives (KSS format) - sold as a matched set of 2, so both knives are ready to install together for balanced, vibration-free cutting performance.
- Made of alloyed steel - provides strength and edge retention through demanding production runs, reducing the frequency of sharpening or replacement.
- Designed for CMT universal cutter heads - compatible with the Insert Shaper System, giving woodworkers the flexibility to swap profiles quickly without changing the entire cutter head assembly.
- Cutting height of 1-37/64 in. with a maximum thickness of 5/32 in. - precise dimensions ensure a proper fit in compatible cutter heads and consistent profile depth with every pass.
- Part of a wide variety of profile knives for universal cutter heads - enables a full range of molding and profiling options from a single system, simplifying tool inventory for shops that run multiple profiles.
- Long-lasting performance - engineered for extended service life, which translates to lower cost per cut and less downtime for tooling changes during production work.
Why This Product
- Woodworkers who need to run multiple molding profiles without purchasing separate cutter heads benefit directly from the Insert Shaper System approach - these 40x4mm knives swap in and out quickly, keeping setup time short and throughput high.
- The alloyed steel construction provides lasting edge integrity, making these knives a practical choice for shops that profile hardwood, softwood, MDF, and chipboard on a regular basis.
- At 1-37/64 in. cutting height, these knives handle substantial profile work in a single pass, reducing the need for multiple setups or additional finishing steps.
- Buying a matched pair means both knives are installed simultaneously, maintaining proper cutter balance and producing a smoother surface finish compared to using mismatched or worn tooling.
Specifications
- Manufacturer Part Number: 690.056
- 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 on hardwood and softwood
- Edge profiling on MDF and chipboard
- Cabinet door making and frame profiling
- Panel work and decorative millwork
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 690.056 profile knives are designed for use with CMT universal cutter heads as part of the Insert Shaper System. The 40x4mm knife format (KSS standard) is accepted by CMT universal cutter heads in that system.
How many knives are included in one purchase?
Each purchase includes 2 knives - a matched pair. Installing both knives together maintains proper cutter head balance and ensures a consistent, even profile across the workpiece.
What materials can these profile knives cut?
These alloyed steel shaper knives are suited for profiling hardwood, softwood, MDF, and chipboard, making them versatile across cabinet, millwork, and furniture production environments.
What do the dimensions 1-37/64 in. x 5/32 in. refer to?
The 1-37/64 in. measurement refers to the cutting height of the knife - how deep a profile it can cut in a single pass. The 5/32 in. measurement is the maximum knife thickness, which determines compatibility with the cutter head's knife slot. These correspond to the metric 40x4mm knife specification used in the CMT Insert Shaper System.
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