Product Description
CMT Planer and Jointer Knives HS 18%W - 1050 x 30 x 3mm, 2-Piece Set by CMT delivers precision-ground high-speed steel cutting performance for stationary planers and jointers. Engineered from 18% tungsten high-speed steel (HSS), these 1050mm straight knives are designed for flat, consistent stock removal on softwoods, hardwoods, and sheet goods. The matched pair ensures balanced cutting action and extended service life, making them a reliable choice for professional woodworkers and shop operators who depend on repeatable surface quality.
Key Features
- 18% Tungsten High-Speed Steel (HSS) construction - the elevated tungsten content gives these knives superior hardness and heat resistance compared to standard steel, translating to longer edge retention between sharpenings and fewer production interruptions.
- 1050 x 30 x 3mm precision dimensions - exact tolerances across the full 1050mm length mean the knife seats correctly in the cutterhead, producing flat, consistent planed surfaces without chatter or snipe.
- Mirror finish on cutting edges - the polished surface reduces friction during the cut, resulting in razor-sharp edges that leave cleaner face grain and require less downstream sanding.
- Sold as a matched 2-piece set - having a ready spare knife on hand allows for fast changeovers, keeping the planer or jointer in balanced operation and minimizing downtime during production runs.
Why This Product
- The 18% tungsten HSS formula holds a sharper edge longer than lower-alloy alternatives, making these knives well suited for demanding production environments where frequent blade changes are costly in both time and material.
- At 1050mm in total length with a 30mm cutting height and 3mm thickness, these knives are precision-manufactured to fit wide-format planers and jointers that require full-width, high-accuracy cuts across broad stock.
- The mirror-finished cutting edges reduce surface friction and heat buildup during planing, which helps maintain sharpness through longer cutting sessions and delivers cleaner results on both dry softwood and hardwood surfaces.
- Packaging two knives together means you can replace both cutterhead positions at the same time, ensuring balanced weight distribution and vibration-free operation - a practical advantage for anyone maintaining a stationary planer or jointer to professional standards.
Specifications
- Manufacturer Part Number: 792.997.30
- Brand: CMT Orange Tools
- Material: HSS (High-Speed Steel, 18% Tungsten)
- Total Length: 1050mm
- Cutting Depth: 30mm
- Cutting Height: 30mm
- Thickness: 3mm
- Quantity: 2 pieces per package
Approved Applications
- Surface planing on stationary planers
- Edge jointing on stationary jointers
- Surface preparation and dimensioning of dry softwood
- Planing dry and wet hardwood
- Planing plywood and sheet goods
What's Included
- 2x HSS planer and jointer knives - 1050 x 30 x 3mm
Frequently Asked Questions
What type of steel are these planer knives made from?
These knives are manufactured from 18% tungsten high-speed steel (HSS). The high tungsten content provides exceptional hardness and heat resistance, allowing the cutting edges to stay sharp through extended planing sessions on both softwood and hardwood stock.
Are these knives sold individually or as a set?
These knives are sold as a 2-piece package. The matched pair is intended to replace both knife positions in a cutterhead simultaneously, maintaining balanced cutting performance and minimizing vibration during operation.
What does the mirror finish on these knives do?
The mirror finish applied to the cutting edges reduces surface friction during the cut, producing a razor-sharp edge profile. This helps deliver cleaner planed surfaces and extends the useful cutting life of each knife before resharpening is needed.
Can these knives be used on both planers and jointers?
Yes. These CMT straight knives are designed for use in both stationary planers and jointers. Their 1050 x 30 x 3mm dimensions make them suitable for wide-format machines requiring full-length, high-accuracy cuts across flat and edge surfaces.
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