Product Description
CMT 690.025 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 to work within the CMT Universal Cutter Head system for precise molding and profiling operations. These KSS-style insert knives deliver long-lasting performance on a wide range of wood-based materials, giving woodworkers and cabinet makers a reliable, repeatable profile cut with every pass.
Key Features
- Pair of profile knives (KSS 40x4mm) - two matched knives included per set, ensuring balanced cutting and consistent profile results on every workpiece.
- Alloyed steel construction - engineered material provides durability and edge retention through extended production runs, reducing the frequency of tool changes.
- 1-37/64 in. cutting height - generous cutting height allows for full, defined profiles in a single pass, improving efficiency and surface quality on moldings and edges.
- 5/32 in. maximum thickness - precise knife thickness ensures a secure, flush fit within compatible universal cutter heads, minimizing vibration and improving finish quality.
- Universal cutter head compatibility - designed for use with a variety of insert shaper cutter heads, giving operators flexibility across multiple machine setups without purchasing new tooling systems.
- Long-lasting performance - built to maintain sharp, clean cutting edges over extended use, lowering downtime and overall tooling costs in production environments.
Why This Product
- The 40x4mm KSS knife format fits a variety of universal cutter heads, making these knives a versatile addition to a shop that runs multiple profile styles without committing to dedicated, single-use tooling.
- Alloyed steel construction means the cutting edge holds up through demanding production work on hardwood, softwood, MDF, and chipboard - materials that can quickly degrade lesser tooling.
- Sold as a matched pair, both knives are ready to mount together right out of the package, eliminating the need to source a second knife separately and ensuring balanced performance from the start.
- The 1-37/64 in. cutting height gives profile knives in this system enough reach to produce complete decorative or functional molding profiles in a single shaper pass, supporting cleaner results and faster throughput.
Specifications
- Manufacturer Part Number: 690.025
- 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: Insert Shaper System - Universal Cutter Heads
Approved Applications
- Molding and profiling on hardwood and softwood
- Cabinet door making and frame profiling
- Edge profiling on MDF and chipboard
- Frame and panel work requiring consistent profile repeatability
- Production shaper operations on spindle moulders and profile machines
Frequently Asked Questions
How many knives are included with the CMT 690.025?
The CMT 690.025 is sold as a pair - two matched profile knives are included per package. Both knives are the same profile and are intended to be mounted together in a universal cutter head for balanced cutting.
What cutter head system are these profile knives compatible with?
These 40x4mm profile knives are designed for use with universal cutter heads that accept the KSS 40x4mm knife format, including a variety of insert shaper cutter heads in that system family.
What material are the CMT 690.025 profile knives made from?
These knives are made from alloyed steel (designated SP in CMT's material classification), which provides strong edge retention and long-lasting performance through extended use on hardwood, softwood, MDF, and chipboard.
What do the 1-37/64 in. cutting height and 5/32 in. thickness measurements refer to?
The 1-37/64 in. cutting height is the usable profile depth the knife can shape in a single pass, while the 5/32 in. measurement refers to the maximum knife thickness - the physical dimension that determines whether the knife seats properly and securely within a compatible cutter head slot.
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