Product Description
CMT 690.087 Profile Knives for Insert Shaper System are a pair of precision-ground alloyed steel shaper knives sized 1-37/64 in. x 5/32 in. (40x4mm), engineered for use with CMT universal cutter heads. Designed for woodworkers who demand consistent molding profiles on hardwood, softwood, MDF, and chipboard, these insert-system knives deliver long-lasting performance in spindle moulders, profile machines, and edging equipment. Whether you are running cabinet door profiles, architectural moldings, or decorative edge work, this knife pair offers the repeatability and durability that production and craft shops alike rely on.
Key Features
- Alloyed Steel Construction - made of alloyed steel for extended service life, reducing the frequency of knife changes during demanding production runs on hardwood and softwood.
- 40x4mm Knife Size (1-37/64 in. x 5/32 in.) - a standardized KSS 40x4mm profile format that fits CMT universal cutter heads and other compatible insert shaper systems, giving you flexible setup options across multiple machines.
- Profile Number 087 Design - a specific molding profile ground to precise geometry, ensuring a consistent, smooth surface finish on every pass so you spend less time sanding and more time finishing.
- Sold as a Matched Pair - two knives included per pack, allowing balanced cutting on both sides of the cutter head for vibration-free, chatter-free performance.
- Compatible with Universal Cutter Heads - fits the CMT 692 series cutter heads and other insert shaper systems accepting 40mm knives, making these a versatile addition to a shop already running the insert shaper platform.
Why This Product
- Purpose-built for insert shaper systems - the 40x4mm KSS format is engineered specifically for universal cutter heads, so you get a secure, precision fit without adapter modifications or guesswork.
- Long-lasting alloyed steel means lower cost per profile - durable material construction keeps these knives sharp through extended runs on hardwood, softwood, MDF, and chipboard, reducing downtime for replacements.
- Matched pair for balanced, smooth cuts - using two matched knives simultaneously keeps the cutter head balanced, which translates directly to cleaner profile surfaces and reduced machine wear.
- Profile 087 expands your molding library - if you already own CMT 692 series cutter heads, adding this knife pair instantly extends your range of achievable profiles without purchasing a new dedicated head.
Specifications
- Manufacturer Part Number: 690.087
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Knife Size: 40x4mm (1-37/64 in. x 5/32 in.)
- Material: Alloyed Steel (SP)
- Quantity: 2 knives (sold as a pair)
- Compatible System: CMT Insert Shaper System - CMT 692 series cutter heads
Approved Applications
- Molding and profiling on hardwood and softwood
- Cabinet door making and frame-and-panel work
- Edge profiling on MDF and chipboard
- Architectural trim and decorative molding production
- Use in spindle moulders, moulder machines, and profile and edging machines
What's Included
- 2x CMT 690.087 profile knives (matched pair, 40x4mm, profile 087)
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 40x4mm KSS profile knives are designed for use with CMT universal cutter heads, including the CMT 692 series, as well as other insert shaper systems that accept 40mm profile knives.
How many knives are included in this listing?
This listing includes 2 knives sold as a matched pair. Using a matched pair in your cutter head ensures balanced rotation for smooth, chatter-free cuts and consistent profile output.
What materials can be shaped with the CMT 690.087 profile knives?
These alloyed steel knives are suited for use on hardwood, softwood, MDF, and chipboard - common materials in cabinet making, molding production, and edge profiling work.
What does the knife size 1-37/64 in. x 5/32 in. (40x4mm) refer to?
The 1-37/64 in. (40mm) dimension refers to the cutting height of the knife - the depth of profile it can produce - while the 5/32 in. (4mm) dimension refers to the maximum thickness of the knife body, which must match the slot dimensions of your cutter head for a proper fit.
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