Product Description
CMT 690.120 Profile Knives for Insert Shaper System are a matched pair of alloyed steel shaper knives sized 1-37/64 in. x 5/32 in. (40x4mm), designed for use with CMT universal cutter heads to deliver precise molding and profiling results on wood and wood-composite materials. With a 20mm radius and the durability of alloyed steel construction, these knives are engineered for long-lasting performance in spindle moulding, cabinet door making, edge profiling, and frame and panel work. The 40x4mm knife format makes them compatible with the CMT Insert Shaper System, giving woodworkers a reliable and repeatable way to cut consistent profiles across hardwood, softwood, MDF, and chipboard.
Key Features
- Alloyed steel construction - provides long-lasting cutting performance across repeated use on hardwood, softwood, MDF, and chipboard without premature edge wear.
- 1-37/64 in. cutting height - delivers a substantial profile depth suited to molding, edging, and decorative shaping applications that require a generous reveal.
- 5/32 in. (4mm) maximum thickness - ensures a precise fit within the CMT Insert Shaper System cutter heads (692 series) for secure, vibration-free seating.
- 20mm radius - produces a smooth, consistent curved profile ideal for cabinet door edges, frame rails, and decorative molding runs.
- Sold as a matched pair (2 knives) - both knives are ground to the same profile, so the cutter head remains balanced and the finished profile stays symmetrical pass after pass.
- Universal cutter head compatibility - fits a variety of CMT universal cutter heads, giving users the flexibility to swap profiles without investing in dedicated tooling for every cut.
- Profile 120 designation - clearly identifies the specific molding shape so reordering replacements or matching profiles across jobs is straightforward.
Why This Product
- For woodworkers who run a range of molding profiles, the CMT Insert Shaper System approach means one set of cutter heads accepts multiple knife profiles - eliminating the need to own a separate shaper cutter for every molding shape.
- The 40x4mm alloyed steel knives are built for repeated use in demanding shop environments, making them a cost-effective choice for cabinet shops and millwork operations that profile hardwood, softwood, MDF, and chipboard on a regular basis.
- The matched pair format ensures balanced cutting on the cutter head, which reduces vibration and helps achieve a cleaner surface finish on profile cuts - important for visible cabinet door edges and decorative frame work.
- With a 20mm radius and a 1-37/64 in. cutting height, this Profile 120 knife set is well suited to furniture-grade edge profiling and frame and panel work where a smooth, generous curve is part of the finished design.
Specifications
- Manufacturer Part Number: 690.120
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Radius: 20mm
- Maximum Thickness: 5/32 in.
- Knife Size: 40x4mm
- Material: Alloyed Steel (SP)
- Profile Number: 120
- Quantity: 2 knives (sold as a pair)
- System Compatibility: CMT Insert Shaper System - compatible with CMT universal cutter heads (692 series)
Approved Applications
- Molding and profiling on hardwood, softwood, MDF, and chipboard
- Cabinet door making and edge profiling
- Frame and panel work
- Decorative molding runs on spindle moulders and profile machines
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 40x4mm profile knives are designed for use with CMT universal cutter heads, including the CMT 692 series Insert Shaper System heads. They are part of a system that accepts a variety of profile knives, so you can use the same cutter head body with different knife profiles by swapping the knife set.
How many knives are included in this purchase?
This listing includes a matched pair of 2 profile knives. Both knives carry the same Profile 120 shape and are precision-matched so the cutter head stays balanced during operation.
What materials can these knives be used on?
These alloyed steel profile knives are suitable for use on hardwood, softwood, MDF, and chipboard. The alloyed steel construction is built for long-lasting performance across these common woodworking and cabinet-making materials.
What is the radius and cutting height of the Profile 120 knife?
The CMT 690.120 Profile 120 knife has a 20mm radius and a cutting height of 1-37/64 in., with a maximum thickness of 5/32 in. (4mm). These dimensions define the shape and depth of the molding profile produced on the workpiece.
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