Product Description
CMT 690.103 Profile Knives for Insert Shaper System are alloyed steel shaper knives designed for use with CMT universal cutter heads, delivering precise molding and profiling results on a wide range of wood-based materials. Sold as a pair, these 40x4mm knives measure 1-37/64 in. in cutting height and 5/32 in. in maximum thickness, making them a reliable choice for woodworkers who demand consistent profile quality on spindle moulders, moulders, and profile and edging machines. Whether you are crafting cabinet doors, decorative frames, or edge profiles, these insert shaper knives provide the repeatability and longevity that professional and shop woodworking applications require.
Key Features
- Alloyed steel construction - provides long-lasting cutting performance and maintains a sharp edge through extended use on hardwood, softwood, MDF, and chipboard without rapid wear.
- 1-37/64 in. cutting height (40mm) - accommodates a generous profile depth, allowing you to shape substantial molding profiles in a single pass for efficient production work.
- 5/32 in. maximum thickness (4mm) - the compact knife body integrates securely into compatible insert cutter heads, reducing vibration and promoting a smooth, consistent surface finish.
- Designed for universal cutter heads - compatible with the CMT 692 series and other insert shaper systems that accept 40mm knives, giving you broad machine compatibility across your shop setup.
- Sold as a pair of 2 knives - both knives are matched and ground to the same profile, ensuring balanced cutting and reducing the risk of uneven material removal or chatter.
- Variety of profile options available - profile number 103 is part of a wider range of CMT insert shaper knives, so you can build a comprehensive molding library using the same cutter head system.
Why This Product
- Purpose-built for the insert shaper system - rather than relying on a single fixed-profile cutter head, this knife-and-head system lets you swap profiles quickly, saving setup time and reducing tooling costs across multiple molding jobs.
- Alloyed steel for extended tool life - the material choice directly reduces the frequency of knife changes during high-volume production runs, keeping your machine running and your output consistent.
- Matched pair ensures balanced performance - using two precision-matched knives in the cutter head minimizes vibration and promotes an even, repeatable profile across every workpiece, which matters most on finish-quality molding and cabinet door work.
- Broad material compatibility - suitable for hardwood, softwood, MDF, and chipboard, these knives handle the full range of materials commonly found in cabinet making, furniture, and millwork shops without requiring a tool change between species or sheet goods.
Specifications
- Manufacturer Part Number: 690.103
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Metric Dimensions: 40x4mm
- Material: Alloyed Steel
- Quantity: 2 knives (sold as a pair)
- System Compatibility: CMT Insert Shaper System - CMT 692 series cutter heads
- Profile Number: 103
Approved Applications
- Molding and Profiling
- Cabinet Door Making
- Edge Profiling
- Frame and Panel Work
- Compatible Machines: Spindle Moulder, Moulder, Profile and Edging Machine
- Compatible Materials: Hardwood, Softwood, MDF, Chipboard
Frequently Asked Questions
How many knives are included in the CMT 690.103 package?
The CMT 690.103 is sold as a pair, meaning 2 knives are included per package. Both knives share the same profile 103 geometry and are intended to be installed together in a compatible cutter head for balanced, vibration-free cutting.
Which cutter heads are compatible with these 690.103 profile knives?
These knives are designed for use with CMT universal cutter heads in the 692 series, as well as other insert shaper systems that accept 40mm profile knives. Always confirm your cutter head accepts 40x4mm knives before installation.
What materials can the CMT 690.103 profile knives cut?
These alloyed steel profile knives are suitable for use on hardwood, softwood, MDF, and chipboard - covering the most common wood-based materials encountered in cabinet making, furniture production, and general millwork applications.
Are other profile numbers available in the same CMT insert shaper knife series?
Yes. Profile number 103 is one option within a broader range of CMT profile knives for the insert shaper system. Multiple profile numbers are available, allowing you to build a full molding library while continuing to use the same compatible 692 series cutter heads.
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