Product Description
CMT 690.108 Profile Knives for Insert Shaper System are a pair of alloyed steel shaper knives sized 1-37/64 in. x 5/32 in. (40x4mm), designed for use with CMT universal cutter heads in the insert shaper system. These molding knives deliver long-lasting cutting performance on a range of wood-based materials, making them a reliable choice for woodworkers who demand consistent profile results across production and custom shop applications. Whether you are profiling cabinet components, shaping moldings, or working edges on solid wood and sheet goods, the CMT 690 series knife system gives you the flexibility to swap profiles quickly using a single set of compatible cutter heads.
Key Features
- Alloyed steel construction - provides durability and edge retention through repeated use, reducing the frequency of replacement and keeping your workflow moving.
- 1-37/64 in. cutting height (40mm knife size) - delivers a generous profile reach suited to molding, edge profiling, and decorative shaping work on solid wood and engineered panels.
- 5/32 in. (4mm) maximum thickness - a compact knife profile that fits precisely into compatible insert cutter heads, ensuring secure seating and repeatable results.
- Designed for CMT universal cutter heads - part of a versatile insert shaper system that accepts a wide variety of profile knives, so one set of cutter heads handles many different molding patterns.
- Sold in a pair (2 knives) - both matched knives are included so the cutter head stays balanced and cuts cleanly without additional sourcing or pairing.
- Long-lasting performance - engineered for sustained cutting life, helping professionals and dedicated hobbyists reduce downtime between sharpenings or replacements.
Why This Product
- The 40x4mm knife format is compatible with CMT universal cutter heads, meaning you can build out a full library of molding profiles without investing in entirely new tooling for each shape - just swap the knives.
- Alloyed steel construction gives these shaper knives lasting durability on hardwood, softwood, MDF, and chipboard, making them practical across a wide range of materials a typical shop processes daily.
- Buying a matched pair ensures balanced cutter head operation right out of the package, which translates directly to smoother cuts and cleaner surface finishes without additional setup steps.
- Profile number 108 gives you a specific, defined molding shape that integrates into the CMT insert shaper system's broader catalog, so you can expand your profile options systematically over time.
Specifications
- Manufacturer Part Number: 690.108
- 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: CMT Insert Shaper System
- Profile Number: 108
Approved Applications
- Molding and profiling on hardwood and softwood
- Edge profiling on MDF and chipboard
- Cabinet door component shaping
- Frame and panel profile work
- Decorative molding production
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 690.108 profile knives are designed for use with CMT universal cutter heads as part of the CMT insert shaper system. The 40x4mm knife format is accepted by compatible insert cutter heads within that system. Check your specific cutter head model to confirm it accepts 40mm profile knives before ordering.
How many knives are included with this listing?
This listing includes a matched pair - 2 knives total. Both knives are needed to load the cutter head in a balanced configuration for proper and safe operation.
What materials can these shaper knives be used to cut?
The alloyed steel construction of these profile knives is suited for use on hardwood, softwood, MDF, and chipboard. They are designed for the molding, edge profiling, and panel shaping applications typical of woodworking and millwork production environments.
Can these knives be used in spindle moulders and other shaper machines?
Yes. These profile knives are intended for use in spindle moulders, moulders, and profile and edging machines that accept CMT universal cutter heads sized for 40mm insert knives. Always verify your machine and cutter head specifications match the 40x4mm knife dimensions before use.
Reviews
FAQs
Standard Shipping is free on most orders over $50 within the contiguous US. If the order is under $50.00, the shipping is $9.99 set fee for shipping within the contiguous US.
Most of our products will ship within 1 to 3 Business Days. Some Special order products will ship within 2 to 5 Business Days. Preorders will be shipped to you on a first come first serve basis as soon as available from the manufacturer. Items that are "Made-to-Order" (Custom order products) will be shipped when fabrication is completed, shipping and delivery times will vary and depend on manufacturing.
Products that are shipped directly from the manufacturer will have processing and fulfilment times subject to manufacturer availability.
Preorders are shipped on a first come first serve basis as soon as available from the manufacturer, the sooner you place your Preorder the sooner your order will ship.
Freight shipping Policy:
Orders/Items too large or heavy may require special handling/Shipping and may require to be sent by truck. Someone must be present to accept truck deliveries. Standard truck delivery is to a dock facility designed to receive freight. You will be notified within 24 hours of ordering to confirm delivery. Lift gates for deliveries are available for an additional fee.
We offer Financing options through Clicklease
Please email your Return request to info@FactoryDirectSupplyOnline.com
Include the order number and the reason for your return.
All returns, regardless of their categorization, must include all original parts, be in their original packaging, and in the condition in which they were received. You may not qualify to receive a refund If the returned item is used, damaged, missing any parts, or is damaged during return shipping.
Checkout our complete Return policy
You can contact us through our contact page! We will be happy to assist you.