Product Description
CMT 690.551 Profile Knives for Insert Shaper System are a pair of alloyed steel shaper knives sized 1-31/32 in. x 5/32 in. (50x4mm), designed for use with CMT universal cutter heads and compatible insert shaper systems. These replacement profile knives give woodworkers the ability to produce consistent molding and profiling results across a range of wood-based materials, expanding the versatility of any insert shaper setup.
Key Features
- Alloyed steel construction - provides durability and long-lasting performance through repeated profiling passes on hardwood, softwood, and engineered panels.
- 1-31/32 in. cutting height (50mm) - delivers a substantial cutting envelope suited to molding, edge profiling, and frame work in a single pass.
- 5/32 in. (4mm) maximum thickness - sized to seat precisely in compatible 50x4mm insert cutter head slots for a secure, rattle-free fit.
- Part of a broad profile knife family - a variety of profile knives are available for the universal cutter heads, meaning woodworkers can build a library of profiles using one common cutter head system.
- Sold as a matched pair (2 knives) - both knives are matched and ground together, supporting balanced cutting and a smooth, consistent surface finish on every profile run.
Why This Product
- For shops running an insert shaper system, these knives eliminate the need for dedicated profile heads by delivering a specific molding profile through a single pair of interchangeable knives - reducing tooling cost and cabinet space.
- The alloyed steel material and long-lasting performance design make these profile knives a practical choice for production environments where consistent results across high volumes of hardwood, softwood, MDF, and chipboard are required.
Specifications
- Model Number: 690.551
- Brand: CMT Orange Tools
- Cutting Height: 1-31/32 in.
- Maximum Thickness: 5/32 in.
- Dimensions (metric): 50x4mm
- Material: Alloyed steel (SP)
- Quantity: 2 knives (sold as a pair)
Approved Applications
- Molding and profiling on hardwood and softwood
- Edge profiling on MDF and chipboard
- Cabinet door making
- Frame and panel work
Frequently Asked Questions
How many knives come in a package of CMT 690.551?
The CMT 690.551 is sold as a pair - 2 matched profile knives are included per package.
What size cutter head slots are these profile knives compatible with?
These knives are sized 50x4mm (1-31/32 in. x 5/32 in.) and are designed for use with CMT universal cutter heads and other insert shaper systems that accept 50x4mm profile knives.
What materials are the CMT 690.551 profile knives made from?
These knives are made of alloyed steel, which supports long-lasting performance across repeated cuts in hardwood, softwood, MDF, and chipboard.
Can I mix and match different profile numbers within the same cutter head system?
Yes - the CMT insert shaper system is designed around a variety of profile knives that fit the universal cutter heads, allowing different profile knives (each sold separately) to be swapped in and out of the same cutter head body.
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