Product Description
CMT 690.134 Profile Knives for Insert Shaper System are a matched 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. Designed for woodworkers who demand consistent molding profiles on hardwood, softwood, MDF, and chipboard, these knives deliver long-lasting cutting performance on spindle moulders, moulders, and profile and edging machines. The 40x4mm format is a widely compatible knife size accepted by a range of insert shaper cutter head systems, making this pair a practical addition to any professional or shop-grade milling setup.
Key Features
- Pair of alloyed steel profile knives (40x4mm): made of alloyed steel for durability under repeated cutting cycles, reducing the frequency of replacement and downtime between jobs.
- 1-37/64 in. cutting height: provides a generous profile reach, allowing detailed molding cuts in a single pass and minimizing the need for multiple setups.
- 5/32 in. maximum thickness: the slim knife body fits securely within compatible cutter head slots, ensuring stable seating and vibration-free operation.
- Designed for universal cutter heads: compatible with the CMT insert shaper system and a variety of universal cutter heads accepting 40x4mm knives, giving woodworkers flexibility across different machines.
- Long-lasting performance: the alloyed steel construction maintains a sharp cutting edge through extended use on hardwood, softwood, MDF, and chipboard, supporting consistent surface quality over time.
- Sold in pairs: two matched knives are included per package, so both positions in a cutter head can be loaded simultaneously for balanced, accurate cuts.
Why This Product
- Woodworkers who run spindle moulders or profile and edging machines need profile knives that hold their shape through demanding production runs - the alloyed steel construction of these 40x4mm knives is built specifically for that kind of long-lasting, repeatable performance.
- The 40x4mm knife format is accepted by a variety of universal cutter heads, so this pair integrates with existing CMT insert shaper equipment and other compatible systems without requiring additional tooling or adapters.
- Profile number 134 delivers a specific molding geometry that matches standard CMT insert shaper profiles, making it straightforward to achieve precise, repeatable results on trim, edging, and molding work.
- Receiving a matched pair in every package means both cutter head knife seats are filled with identical, balanced knives - eliminating the risk of mismatched cutting edges that can cause surface irregularities or vibration.
Specifications
- Manufacturer Part Number: 690.134
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Knife Size: 40x4mm
- Material: Alloyed Steel (SP)
- System: CMT Insert Shaper System
- Quantity: 2 knives (1 pair)
- Profile Number: 134
Approved Applications
- Spindle Moulder
- Moulder
- Profile and Edging Machine
- Hardwood profiling and molding
- Softwood edging and trim work
- MDF molding and profiling
- Chipboard edge profiling
What's Included
- 2x CMT 690.134 Profile Knives (40x4mm, 1 matched pair)
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These 40x4mm profile knives are designed for use with the CMT insert shaper system and are compatible with universal cutter heads that accept 40x4mm knives, including the CMT 692 series cutter heads.
How many knives come in the package?
Each package contains one matched pair - 2 knives total. Both knives share the same profile 134 geometry, allowing balanced loading of both knife seats in a compatible cutter head.
What materials can these profile knives cut?
These alloyed steel profile knives are suited for use on hardwood, softwood, MDF, and chipboard on spindle moulders, moulders, and profile and edging machines.
What do the knife dimensions 1-37/64 in. x 5/32 in. refer to?
The 1-37/64 in. measurement refers to the cutting height of the knife - the depth of profile cut it can produce. The 5/32 in. measurement refers to the maximum knife thickness, which determines fit within the cutter head slot. These correspond to the metric dimensions of 40x4mm.
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