Product Description
CMT 690.098 Profile Knives for Insert Shaper System - 1-37/64 in. x 5/32 in. (40x4mm), 2-Pack are precision-engineered shaper knives designed for use with CMT universal cutter heads in the insert shaper system. Sold as a matched pair, these alloyed steel profile knives deliver long-lasting cutting performance for molding, profiling, and shaping operations on a wide variety of wood-based materials. Whether you are running production work on a spindle moulder or crafting detailed profiles on a stationary shaper, these 40x4mm knives provide the consistency and durability that woodworking professionals rely on.
Key Features
- Alloyed steel construction - provides the hardness and wear resistance needed for long-lasting performance through extended production runs on hardwood, softwood, MDF, and chipboard.
- 40x4mm knife size (1-37/64 in. x 5/32 in.) - precisely dimensioned to seat correctly in compatible universal cutter heads, ensuring accurate profile reproduction and a smooth surface finish on every pass.
- Universal cutter head compatibility - fits a variety of universal insert shaper cutter heads, giving you flexibility across different machines and setups without needing dedicated tooling for each profile.
- Sold as a matched pair (2 knives) - both knives are matched to the same profile and tolerances, so you can load the cutter head and get to work without extra setup time or mismatched cutting geometry.
- Profile number 098 - a specific molding profile within the insert shaper system lineup, allowing you to build a library of profiles by swapping knives rather than replacing entire cutter heads.
Why This Product
- The insert shaper knife system lets you swap profiles quickly and economically - instead of investing in a separate cutter head for every molding pattern, you simply change the 40x4mm knife pair and continue working, reducing tooling costs and downtime.
- Alloyed steel material means these knives hold their edge longer than standard tool steel alternatives, making them a practical choice for shops that run demanding production volumes in hardwood and engineered wood materials.
- The matched pair format ensures balanced loading in the cutter head on every job - both knives carry the same profile geometry, which is critical for vibration-free cutting and consistent surface quality across long runs.
- Compatibility with universal insert shaper cutter heads makes this knife pair a versatile addition to any shop already invested in the insert shaper system, letting you expand your profile library without committing to new machinery.
Specifications
- Manufacturer Part Number: 690.098
- 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
- Profile Number: 098
Approved Applications
- Molding and Profiling
- Cabinet Door Making
- Edge Profiling
- Frame and Panel Work
Frequently Asked Questions
What cutter heads are compatible with these profile knives?
These 40x4mm profile knives are designed for use with universal insert shaper cutter heads that accept 40mm knives. They are part of CMT's insert shaper system and are intended to work with compatible cutter heads in that system lineup.
What materials can these shaper knives cut?
These alloyed steel profile knives are suited for use on hardwood, softwood, MDF, and chipboard - covering the full range of common wood and engineered wood materials found in furniture, cabinetry, and millwork production.
How many knives are included in one package?
Each package contains 2 knives - a matched pair. Both knives carry the same profile 098 geometry, which is required for balanced loading in the cutter head during operation.
Can I mix these knives with profile knives from a different profile number?
No. For safe and accurate operation, both knives installed in the cutter head must be the same profile. Mixing different profile numbers would result in unbalanced cutting geometry and inconsistent profile output. Always install a matched pair of the same profile number.
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