Product Description
CMT 690.049 Profile Knives for Insert Shaper System are precision-crafted shaper knives designed for use with CMT universal cutter heads, giving woodworkers a reliable and repeatable way to produce consistent molding profiles. Sized at 1-37/64 in. x 5/32 in. (40x4mm) and made from alloyed steel, these knives are engineered for long-lasting performance across a wide range of profiling and molding applications. Sold as a pair of 2 knives, they slot into the CMT insert shaper system to enable smooth, accurate cuts on hardwood, softwood, and sheet goods alike.
Key Features
- Alloyed Steel Construction - delivers durability and edge retention over extended use, reducing the need for frequent knife replacement during demanding shaper operations.
- 1-37/64 in. Cutting Height (40mm) - provides sufficient profile depth for a broad range of molding, edging, and frame-and-panel profiles without requiring a tool change mid-project.
- 5/32 in. (4mm) Maximum Thickness - a precise knife thickness that ensures secure, consistent seating in compatible insert cutter heads for repeatable, chatter-free results.
- Designed for Universal Cutter Heads - compatible with the CMT insert shaper system and a variety of universal cutter heads, so a single set of knives integrates into your existing tooling setup.
- Sold as a Pair (2 Knives) - both knives arrive matched and ready to mount, keeping the cutter head balanced for smoother operation and a cleaner finished surface.
- Long-Lasting Performance - the combination of alloyed steel material and precision knife geometry means each pair maintains profile accuracy over many hours of production use.
Why This Product
- Woodworkers who run production molding or cabinet door work benefit from the 40x4mm knife format, which fits a wide range of universal cutter head bodies and eliminates compatibility headaches when switching profiles.
- The alloyed steel construction means the knives hold a sharp edge longer than standard steel alternatives, reducing downtime and keeping your shaper running efficiently through hardwood and softwood projects.
- Buying knives as a matched pair ensures the cutter head stays dynamically balanced, which directly translates to smoother cuts, better surface finish, and less strain on the spindle moulder or profile machine.
- Profile number 049 expands the versatility of the CMT insert shaper system, letting you add a specific molding profile to your collection without investing in an entirely new cutter head assembly.
Specifications
- Manufacturer Part Number: 690.049
- 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 spindle moulders and shaper machines
- Cabinet door making and frame-and-panel work
- Edge profiling on hardwood and softwood workpieces
- Production use on MDF and chipboard panels
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
The CMT 690.049 profile knives are designed for use with the CMT insert shaper system and a variety of universal cutter heads that accept 40x4mm knives. Always confirm your specific cutter head's knife slot dimensions before mounting.
How many knives come in a package?
Each package contains 2 knives - a matched pair. Running a matched pair keeps the cutter head properly balanced for smoother cuts and a better surface finish.
What materials can these knives be used on?
These alloyed steel profile knives are suitable for shaping and molding hardwood, softwood, MDF, and chipboard, making them a versatile option for both furniture production and cabinetry work.
What do the knife dimensions mean for my project?
The 1-37/64 in. cutting height determines the maximum depth of profile the knives can produce in a single pass, while the 5/32 in. (4mm) thickness is the knife body dimension that must match your cutter head's knife slot specification. Verify both measurements against your cutter head before ordering.
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