Product Description
CMT Pair of Knives for Roundover and Chamfer (Bottom) - R=2mm plus 45 deg. delivers precision profile cutting for woodworkers and shop professionals who demand accurate, repeatable edge results. These carbide (HW) profiling knives are engineered for roundover and chamfer bottom-edge work, combining a 2mm radius roundover with a 45 deg. chamfer in a single matched set. Designed for use in CMT spindle moulder cutter heads, these knives bring industrial-grade profile accuracy to hardwood, softwood, sheet goods, and composite panel applications.
Key Features
- Dual-profile geometry - R=2mm roundover plus 45 deg. chamfer (bottom): Both profile operations are built into a single knife pair, eliminating the need to swap tooling mid-job and keeping production moving efficiently.
- Solid carbide (HW) construction: Carbide holds a sharper edge longer than high-speed steel, reducing downtime for resharpening and maintaining clean, precise profiles across extended production runs.
- 20mm cutting height: A full 20mm of usable cutting height means the knife can handle a range of workpiece thicknesses without repositioning the cutter head.
- 20mm diameter: Sized to fit standard CMT cutter head bodies, ensuring consistent compatibility and fast knife changes in the workshop.
- Sold as a matched pair: Both knives in the set are ground and matched together, so balance is maintained in the cutter head and vibration is minimized for a smooth surface finish.
- Precision-ground profile: Ground to exact specification, these knives reproduce the R=2mm roundover and 45 deg. chamfer profile consistently from the first pass to the last, supporting tight tolerances in furniture, cabinetry, and architectural millwork.
Why This Product
- For shops running spindle moulders, shapers, profiling machines, or edging machines, these knives deliver a two-in-one profile - a 2mm radius roundover and a 45 deg. chamfer on the bottom edge - without requiring two separate tooling setups.
- Carbide (HW) material means longer tool life compared to standard steel knives, making this pair a practical choice for production environments where consistent edge quality on hardwood, softwood, plywood, MDF, or chipboard is essential.
- The matched pair format keeps the cutter head balanced, which directly translates to reduced vibration, cleaner cuts, and a better surface finish on profiled edges.
- With a 20mm cutting height and 20mm diameter, these knives fit within the standard CMT cutter head platform, making them a straightforward replacement or addition for shops already running CMT tooling systems.
Specifications
- Manufacturer Part Number: 695.005.B2
- Brand: CMT Orange Tools
- Profile: R=2mm Roundover plus 45 deg. Chamfer (Bottom)
- Diameter: 20mm
- Cutting Height: 20mm
- Total Length: 2mm
- Radius: 2mm / 45 deg.
- Material: HW (Carbide)
- Quantity: 2 pieces (1 pair)
Approved Applications
- Roundover profiling on bottom edges
- 45 deg. chamfer cutting on bottom edges
- Edge shaping and moulding on hardwood
- Edge shaping and moulding on softwood
- Profiling plywood, MDF, and chipboard panels
- Architectural millwork and cabinetry edge profiles
- Production runs on spindle moulders and shapers
- Edging machine and profiling machine applications
What's Included
- 2x profiled carbide knives (1 matched pair) - R=2mm Roundover plus 45 deg. Chamfer (Bottom)
Frequently Asked Questions
What profile do these knives cut?
These knives cut a combined profile consisting of a 2mm radius roundover and a 45 deg. chamfer on the bottom edge of the workpiece. Both profiles are incorporated into the single knife geometry, so one pass delivers the complete edge profile.
What material are these knives made from?
The knives are manufactured from HW carbide. Carbide construction provides greater hardness and edge retention compared to standard high-speed steel, making these knives well-suited for production use on hardwood, softwood, MDF, plywood, and chipboard.
How many knives come in this set?
This listing includes 2 knives - sold as 1 matched pair. The knives are ground and matched together to ensure proper balance in the cutter head and to minimize vibration during profiling operations.
What types of machines are these knives compatible with?
These profiled carbide knives are designed for use in CMT spindle moulder cutter heads and are compatible with spindle moulders, shapers, profiling machines, and edging machines that accept the corresponding CMT cutter head system with a 20mm knife size.
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