Product Description
CMT 690.046 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-style profile knives deliver long-lasting cutting performance on molding, profiling, and edging applications, making them a reliable choice for woodworkers and shop professionals who depend on consistent, repeatable results across hardwood, softwood, MDF, and chipboard.
Key Features
- Alloyed Steel Construction - made of alloyed steel for durability and resistance to wear during demanding production runs, reducing the need for frequent replacements.
- KSS 40x4mm Knife Size - the 1-37/64 in. cutting height and 5/32 in. maximum thickness ensure proper seating and a precise profile in compatible insert cutter heads.
- Designed for Universal Cutter Heads - compatible with a variety of insert shaper cutter heads, giving woodworkers flexibility to use the same knife system across multiple setups.
- Long-Lasting Performance - engineered for extended service life, reducing downtime and keeping your shaper running productively through high-volume molding and profiling work.
- Sold as a Pair - includes 2 matched profile knives so both sides of the cutter head are equipped and balanced for smooth, vibration-free cutting.
Why This Product
- If you run an insert shaper system and need a reliable set of profile knives sized to the 40x4mm KSS standard, these knives fit directly into compatible universal cutter heads without modification or adapter hardware.
- The alloyed steel material provides the hardness and edge retention needed for production-level molding and edging work, making them a practical upgrade over lower-grade knife materials.
- Buying knives as a matched pair means both inserts are from the same production batch, ensuring consistent profile depth and balance across both cutting edges - important for smooth surface finishes on finished molding profiles.
- With a cutting height of 1-37/64 in. and a maximum thickness of 5/32 in., these knives are sized for standard insert shaper heads, making them a straightforward replacement or expansion option for shops already working in the CMT insert system.
Specifications
- Manufacturer Part Number: 690.046
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Maximum Thickness: 5/32 in.
- Metric Size: 40x4mm
- Material: Alloyed Steel (SP)
- System: Insert Shaper System
- Knife Style: KSS 40x4mm
- Quantity: 2 knives (sold as a pair)
Approved Applications
- Molding and profiling on spindle moulders and shapers
- Cabinet door making and frame-and-panel work
- Edge profiling on hardwood and softwood workpieces
- Profile cutting on MDF and chipboard panels
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
These knives are designed for universal insert cutter heads that accept KSS 40x4mm profile knives. They are part of the CMT insert shaper system and are intended for use with compatible insert-style cutter heads.
How many knives are included in one package?
Each package includes 2 profile knives - a matched pair sized 1-37/64 in. x 5/32 in. (40x4mm), so both slots in the cutter head are covered with a single purchase.
What materials can these profile knives cut?
These alloyed steel profile knives are suited for use on hardwood, softwood, MDF, and chipboard, covering the most common wood-based materials encountered in millwork, cabinetry, and production molding.
What does the profile number 046 indicate?
The profile number 046 identifies the specific molding profile geometry ground into these knives. When paired with a compatible insert cutter head, the 046 profile produces a consistent, repeatable molding shape used in applications such as edge profiling, cabinet door making, and decorative molding work.
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