Product Description
CMT 690.053 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 KSS-series knives deliver long-lasting performance in molding, profiling, and edge-shaping applications on wood and engineered wood materials. Sold as a pair of 2 knives, they bring consistent profile reproduction and dependable cutting life to spindle moulders, moulders, and profile and edging machines.
Key Features
- Alloyed steel construction - resists wear and maintains a sharp cutting edge over extended use, reducing the need for frequent knife replacement during demanding production runs.
- 40x4mm (1-37/64 in. x 5/32 in.) knife size - precise dimensions ensure a secure, accurate fit in compatible insert cutter heads, delivering repeatable profile geometry cut after cut.
- Designed for CMT universal cutter heads - integrates directly into the CMT insert shaper system, giving woodworkers a reliable, purpose-matched tooling combination for molding and profiling work.
- Sold as a pair (2 knives) - both cutting sides are replaced together, maintaining balanced cutter head performance and consistent profile quality throughout the tool's service life.
- Long-lasting performance - sustained edge retention means fewer tool changes, less downtime, and smoother surface finishes on hardwood, softwood, MDF, and chipboard workpieces.
Why This Product
- Woodworkers who run spindle moulders or profile and edging machines need profile knives that hold their geometry under repeated use - the alloyed steel construction of these knives is engineered for exactly that kind of long-lasting, consistent performance.
- The 40x4mm format is a widely accepted knife size across insert shaper systems, making these knives a practical choice for shops already equipped with CMT 692-series or compatible universal cutter heads.
- Buying knives in a matched pair ensures both sides of the cutter head are renewed at the same time, preventing the uneven cutting action and vibration that can result from mismatched knife wear.
- Whether the task is cabinet door profiling, frame and panel work, or decorative molding, these knives cover a broad range of woodworking applications with a single, standardized tooling format.
Specifications
- Manufacturer Part Number: 690.053
- 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 Compatibility: CMT Insert Shaper System - universal cutter heads
Approved Applications
- Molding and profiling on spindle moulders
- Cabinet door making
- Edge profiling on profile and edging machines
- Frame and panel work
- Decorative molding production on moulders
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 40x4mm profile knives are designed for use with CMT universal cutter heads in the insert shaper system. They are suited to any compatible cutter head that accepts the 40x4mm (1-37/64 in. x 5/32 in.) knife format.
How many knives come in one package?
Each order includes a pair of 2 knives. Purchasing a pair ensures both sides of the cutter head are replaced together, which is important for maintaining balanced cutting performance and a consistent profile.
What materials can these knives be used to shape or profile?
These alloyed steel profile knives are suited for use on hardwood, softwood, MDF, and chipboard - covering the most common solid wood and engineered panel materials found in woodworking and cabinet making shops.
What machines are compatible with these profile knives?
These knives are intended for use in spindle moulders, moulders, and profile and edging machines that accept the 40x4mm insert knife format as part of a compatible insert shaper system.
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