Product Description
CMT 690.038 Profile Knives for Insert Shaper System are a pair of alloyed steel shaper knives sized 1-37/64 in. x 5/32 in. (40x4mm), engineered for use with CMT universal cutter heads in the insert shaper system. These molding profile knives deliver long-lasting performance across a wide range of woodworking profiles, making them a practical choice for cabinetmakers, millworkers, and woodshop professionals who need consistent, repeatable results on hardwood, softwood, MDF, and chipboard. Sold as a pair of 2 knives, the 690.038 profile insert gives you a specific molding shape ready to mount into compatible 692 series cutter heads for spindle moulders, moulders, and profile and edging machines.
Key Features
- Pair of KSS 40x4mm profile knives - sold as a matched set of 2 so both sides of the cutter head are equipped simultaneously, eliminating guesswork and ensuring balanced cutting performance.
- Made of alloyed steel - the alloyed steel composition resists wear and maintains a sharp cutting edge over extended production runs, reducing downtime for replacements.
- Part of the CMT insert shaper system - designed to seat precisely into CMT universal cutter heads, providing a secure fit that translates directly into clean, accurate profiles on every pass.
- 1-37/64 in. cutting height x 5/32 in. maximum thickness (40x4mm) - the specific knife geometry defines a distinct molding profile, giving woodworkers a purpose-built shape for molding and profiling work without custom grinding.
- Long-lasting performance - consistent tool life means fewer mid-project interruptions and lower overall tooling cost per linear foot of material shaped.
- Compatible with a variety of profile knife options in the universal cutter head system - the insert format allows quick knife swaps between profiles on the same cutter head body, increasing versatility for shops that run multiple molding patterns.
Why This Product
- Shops running CMT 692 series cutter heads can swap the 690.038 knives in and out quickly to change profiles without purchasing an entirely new cutter head - a practical advantage for cabinetmakers and millwork operations that run multiple molding patterns on the same machine.
- The 40x4mm knife size fits the CMT insert shaper system and is compatible with universal cutter heads accepting this knife format, giving buyers flexibility across different machine setups including spindle moulders and profile and edging machines.
- Alloyed steel construction supports long-lasting performance on demanding materials like hardwood, MDF, and chipboard - reducing the frequency of knife changes and keeping production moving efficiently.
- Buying profile knives in insert format rather than as solid tooling lowers the cost of expanding a profile library, since the same cutter head body is reused and only the knives change between setups.
Specifications
- Manufacturer Part Number: 690.038
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Knife Size (metric): 40x4mm
- Material: Alloyed steel
- Quantity: 2 knives (pair)
- System Compatibility: CMT Insert Shaper System - universal cutter heads
Approved Applications
- Molding and profiling on hardwood and softwood
- Cabinet door making
- Edge profiling
- Frame and panel work
- MDF and chipboard shaping
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
The 690.038 knives are designed for use with CMT universal cutter heads in the insert shaper system, including the CMT 692 series cutter heads. They accept 40x4mm knives, which is the standard size for this insert shaper platform.
How many knives are included in a purchase of the 690.038?
Each purchase of the CMT 690.038 includes 2 knives - sold as a matched pair. Both knives are required to fully equip a cutter head for balanced, accurate profile cutting.
What materials can the 690.038 profile knives be used to shape?
These alloyed steel insert knives are suited for use on hardwood, softwood, MDF, and chipboard - covering the most common solid wood and sheet materials found in cabinet making, millwork, and furniture production environments.
Can these knives be used on different machine types?
Yes. The 690.038 profile knives are compatible with spindle moulders, moulders, and profile and edging machines that accept the CMT insert shaper system cutter heads, making them versatile across a range of professional woodworking machines.
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