Product Description
CMT Solid Carbide Reversible Insert Knives - 49.2x12x1.5mm, 4/35 deg. are precision-ground, four-edge throwaway knives engineered for demanding profiling and moulding work on spindle moulders, profile machines, and router table cutter head setups. Built from K1920 solid carbide, these indexable knives deliver the edge retention and dimensional consistency that woodworking professionals expect when working with hardwood, softwood, MDF, chipboard, and plywood. Each pack contains 10 knives, giving you ample backup edges for extended production runs.
Key Features
- K1920 Solid Carbide Material - a premium tungsten carbide grade that retains a sharp cutting edge far longer than high-speed steel alternatives, reducing the frequency of stoppages for edge changes during heavy production work.
- Four Cutting Edges at 35 deg. Bevel - each knife offers four usable edges, so when one edge dulls you simply index to the next, multiplying the working life of every knife in the pack and lowering your cost per linear foot of cut.
- Reversible Throwaway Design - no sharpening required; rotate to a fresh 35 deg. cutting edge and maintain consistent profile quality throughout the life of the knife without regrinding downtime.
- Precision Dimensions of 49.2x12x1.5mm - ground to exact tolerances so each knife seats repeatably in compatible insert cutter heads, ensuring a consistent profile from the first edge to the last.
- 10-Knife Pack - a multi-knife quantity means you have replacement edges on hand to sustain continuous operation without waiting on reorders.
- Standard Indexable Knife Format - the 49.2x12x1.5mm footprint matches widely used insert cutter head systems, making these a versatile fit for common spindle moulder and profile machine setups.
Why This Product
- For woodworkers running high-volume profiling, grooving, or rabbeting operations, the four-edge reversible design means you get quadruple the cutting life from each knife before replacement - a direct reduction in tooling cost per job.
- The K1920 solid carbide grade is suited to abrasive engineered sheet goods like MDF and chipboard as well as natural hardwoods, making a single set of these knives practical across a wide range of common workshop materials.
- The 49.2x12x1.5mm standard indexable format targets compatibility with widely used cutter head platforms, so these knives slot into existing setups rather than requiring dedicated or specialty tooling.
- Buying in a 10-piece pack ensures you always have a fresh edge available mid-shift, eliminating unplanned production delays caused by running out of spare insert knives.
Specifications
- Manufacturer Part Number: 790.495.12
- Brand: CMT Orange Tools
- Total Length: 49.2mm
- Cutting Depth: 12mm
- Thickness: 1.5mm
- Bevel Angle: 35 deg.
- Number of Cutting Edges: 4
- Material: K1920 Solid Carbide
- Knife Type: Standard Reversible Indexable (Throwaway)
- Quantity: 10-Piece Pack
Approved Applications
- Profiling and Moulding
- Edge Profiling
- Rabbeting
- Grooving
- Jointing
Frequently Asked Questions
How many usable cutting edges does each knife provide?
Each knife has 4 cutting edges ground at a 35 deg. bevel. When one edge becomes dull, the knife is indexed to the next edge, so a single knife yields four separate cutting sessions before it needs to be replaced.
What materials can these solid carbide insert knives cut?
The K1920 solid carbide grade is appropriate for hardwood, softwood, MDF, chipboard, and plywood. The carbide composition maintains edge integrity even on abrasive engineered sheet materials that would quickly degrade lesser tooling grades.
What are the exact knife dimensions and how do they translate to the cutter head slot?
These knives measure 49.2mm in total length, 12mm in cutting depth (height), and 1.5mm in thickness. These are the dimensions referred to as L x H x K in the standard indexable knife format, and the values must match the corresponding slot specifications of your insert cutter head to ensure proper seating.
Do these knives require sharpening?
No. These are reversible throwaway knives. The intended use is to index to each of the four cutting edges as they dull, then replace the knife. Sharpening is not required or recommended, and the design is intended for straightforward edge rotation rather than regrinding.
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