Product Description
CMT 690.172 Profile Knives for Insert Shaper System - 1-37/64" x 5/32" (40x4mm), 2-Pack are precision-crafted shaper knives designed to work with CMT universal cutter heads, delivering clean, repeatable molding profiles on hardwood, softwood, MDF, and chipboard. Made from alloyed steel with a 5mm radius and a maximum thickness of 5/32", these knives give woodworkers and cabinet makers the accuracy and durability needed for demanding profiling work on spindle moulders and shape-and-edge machines alike.
Key Features
- Alloyed Steel Construction - long-lasting performance under repeated use, reducing the frequency of knife replacements and keeping your shaper running productively.
- 1-37/64" Cutting Height - provides a generous depth of cut for producing full, well-defined molding profiles in a single pass without requiring multiple setups.
- 5mm Radius - produces a smooth, consistent curved profile edge that translates directly into clean finished results on frame, panel, and cabinet door work.
- 5/32" (4mm) Maximum Thickness - compact knife body fits precisely into insert shaper cutter heads, ensuring a secure, vibration-free seat for accurate profile reproduction.
- Universal Cutter Head Compatibility - works with a variety of CMT universal cutter heads as part of the insert shaper system, giving you flexibility to switch profiles without changing the entire tooling setup.
- Sold as a Pair - comes with 2 matched knives so both sides of the cutter head are equipped and balanced for safe, stable operation at the spindle moulder.
Why This Product
- The insert shaper system design means you invest once in a cutter head body and simply swap profile knives - profile number 172 expands your molding capability without adding a whole new tooling assembly.
- Alloyed steel construction supports long-lasting performance across a full range of wood species and engineered materials including MDF and chipboard, making these knives a practical choice for high-volume cabinet and millwork shops.
- The 40x4mm knife format is matched to the CMT universal cutter head series, so fitment is straightforward and setup time is minimized when moving between different profile shapes.
- Selling as a matched 2-pack ensures both knives in the cutter head are identical in profile and condition, which is critical for balanced cutting and consistent surface quality on molding and edge profiling applications.
Specifications
- Manufacturer Part Number: 690.172
- Brand: CMT Orange Tools
- Profile Number: 172
- Cutting Height: 1-37/64"
- Radius: 5mm
- Maximum Thickness: 5/32"
- Knife Size: 40x4mm
- Material: Alloyed Steel (SP)
- Quantity: 2 knives (pair)
- System: CMT Insert Shaper System
Approved Applications
- Molding and profiling on spindle moulders
- Cabinet door making
- Edge profiling
- Frame and panel work
- Shape-and-edge machine operations
Frequently Asked Questions
What cutter heads are these knives compatible with?
These 690.172 profile knives are designed for use with CMT universal cutter heads as part of the CMT Insert Shaper System. The 40x4mm knife format fits the cutter head bodies in the CMT universal cutter head series, and may also be compatible with other insert shaper cutter heads that accept 40mm knives - check your cutter head manufacturer specifications to confirm fitment.
What materials can these shaper knives cut?
The alloyed steel construction supports cutting across hardwood, softwood, MDF, and chipboard, making them suitable for both solid wood cabinet and millwork applications as well as engineered sheet goods.
How many knives come in this package?
This listing includes 2 knives sold as a matched pair. Using a matched pair is essential for balanced cutter head operation and consistent profile reproduction on both sides of the cut.
What profile does the 690.172 knife produce?
The 690.172 produces CMT profile number 172 with a 5mm radius and a 1-37/64" cutting height. This profile is intended for molding, edge profiling, and frame and panel work. Refer to CMT's profile chart for a visual reference of the exact shape produced by this knife number.
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