Product Description
CMT Solid Carbide Reversible Knives - 50x12x1.5mm, 35 deg. Bevel, 2 Cutting Edges, 10-Pack are precision-ground throwaway insert knives engineered for demanding woodworking applications. Manufactured from K1920 grade solid carbide (tungsten carbide), these indexable insert knives deliver consistent, long-lasting performance on hardwood, softwood, MDF, chipboard, and plywood. The reversible design gives you two sharp 35 deg. cutting edges per knife, so when one edge dulls you simply rotate to a fresh edge - doubling the usable life of each insert and maximizing value for production and workshop environments alike.
Key Features
- K1920 Grade Solid Carbide Material - a high-grade tungsten carbide formulation that maintains sharp cutting edges significantly longer than high-speed steel, reducing downtime and knife-change frequency in production settings.
- Reversible Throwaway Design with 2 Cutting Edges at 35 deg. - each knife delivers two usable cutting edges, meaning you rotate to a fresh edge when the first dulls rather than replacing immediately, cutting your per-edge cost in half.
- Standard Indexable Knife Format - designed as a standard reversible throwaway knife for compatibility with insert cutter head systems on spindle moulders and profile machines, providing a straightforward drop-in replacement.
- Precise 50x12x1.5mm Dimensions - exact length, height, and thickness tolerances ensure secure seating in the cutter head pocket and repeatable profile quality cut after cut.
- 10-Piece Pack - supplied as a pack of 10 knives, giving you an immediate supply of replacement inserts to keep production running without waiting on reorders.
Why This Product
- For shops and production facilities running insert cutter head systems, having a full 10-pack of matched solid carbide knives on hand means edge changes take seconds rather than minutes - keeping material flow moving and reducing machine downtime.
- The reversible 2-edge design means each of the 10 knives in the pack actually delivers 20 usable cutting edges total, stretching consumable budgets further in high-volume profiling, grooving, and moulding operations.
- K1920 solid carbide holds its edge through abrasive engineered sheet materials like MDF and chipboard - materials that quickly degrade lesser knife grades - making these inserts a practical choice for shops that work across a wide range of wood and panel products.
- The standard 50x12x1.5mm reversible knife format is a widely used insert size, making these knives a reliable stock item for operators who need consistent, interchangeable replacements across compatible cutter head systems.
Specifications
- Manufacturer Part Number: 790.500.00
- Brand: CMT Orange Tools
- Total Length: 50mm
- Cutting Depth (Height): 12mm
- Thickness: 1.5mm
- Bevel Angle: 35 deg.
- Number of Cutting Edges: 2
- Material: K1920 Solid Carbide
- Knife Type: Standard Reversible Throwaway Knife
- Quantity: 10 per pack
Approved Applications
- Profiling and Moulding
- Edge Profiling
- Rabbeting
- Grooving
- Jointing
- Compatible with hardwood, softwood, MDF, chipboard, and plywood
Frequently Asked Questions
What does "reversible" mean for these solid carbide insert knives?
Reversible means each knife has 2 cutting edges ground at 35 deg. When the first cutting edge becomes dull, you remove the knife, flip or rotate it to expose the second fresh edge, and reinstall it. This indexable design effectively gives you two cutting lifetimes per knife before it needs to be discarded, which is why these are also referred to as throwaway or indexable insert knives.
What machine types are these 50x12x1.5mm knives intended for?
These knives are designed for use in insert cutter head systems, including those found on spindle moulders, profile machines, edging machines, and router tables fitted with compatible cutter heads. They conform to the standard reversible knife format (dimensions: 50mm length x 12mm height x 1.5mm thickness) used across a range of compatible insert shaper systems.
Why is K1920 solid carbide the preferred material for insert knives in panel and hardwood applications?
K1920 is a solid carbide grade (tungsten carbide) chosen for its hardness and wear resistance. In practical terms, this means the cutting edges hold their sharpness longer when machining abrasive materials such as MDF, chipboard, and hardwood - materials that dull high-speed steel knives rapidly. Longer edge life translates directly to fewer insert changes and more consistent surface quality over a production run.
How many total usable cutting edges are included in the 10-pack?
Because each knife in this pack has 2 cutting edges, the 10-piece pack provides a total of 20 usable cutting edges. This makes it a cost-effective stock item for shops performing profiling, grooving, rabbeting, or moulding operations that require frequent insert changes.
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