Product Description
CMT 794.648 HS Planer and Jointer Knife - 25 Inch Length is a high-speed steel planer knife carefully ground from fine European high speed steel, engineered for precise material removal when planing and jointing dry softwood, dry hardwood, and wet hardwood. Built to CMT's exacting standards, this 25-inch knife delivers the edge retention and cutting consistency that woodworkers and shop professionals depend on when running stationary planers and jointers. Note: this item is discontinued and is available only while supplies last.
Key Features
- 13% Tungsten High Speed Steel construction - the elevated tungsten content increases hardness and heat resistance, so the cutting edge stays sharper longer during extended planing runs on dense or wet hardwood.
- Carefully ground from fine European high speed steel - precision grinding produces a consistent, repeatable edge geometry across the full 25-inch length, reducing snipe and surface irregularities in the finished board.
- Suitable for dry softwood, dry hardwood, and wet hardwood - broad material compatibility means one knife handles a wide variety of species and moisture levels without requiring frequent tool changes.
- 25-inch blade length with 35 mm cutting height - the generous cutting height allows for multiple sharpenings over the life of the knife, extending usable service life and lowering long-term tooling cost.
- 1/8-inch thickness - matches standard planer and jointer knife seats for straightforward installation without shimming or custom fitting.
Why This Product
- Woodworkers processing both wet and dry lumber benefit from a single knife rated for both conditions - no need to stock separate blades for green wood versus kiln-dried stock.
- The 13% tungsten HS steel formulation addresses a common frustration with lower-grade knives: premature dulling that causes tear-out and rough surfaces - especially on dense hardwood species.
- At 25 inches, this knife covers the full-width cutting arc of wide stationary planers and jointers, ensuring uniform surface quality edge to edge without overlap seams.
- Because the 35 mm cutting height allows repeated resharpening, professionals who sharpen their own knives can maximize the investment from each blade rather than replacing at first sign of dullness.
Specifications
- Manufacturer Part Number: 794.648
- Brand: CMT Orange Tools
- Length: 25 in.
- Cutting Height: 35 mm
- Thickness: 1/8 in.
- Material: HS 13%W (13% Tungsten High Speed Steel)
- Status: Discontinued - available while supplies last
Approved Applications
- Planing - stationary planer operations on softwood and hardwood
- Jointing - face and edge jointing on dry softwood, dry hardwood, and wet hardwood
Note: Discontinued item - available while supplies last.
Frequently Asked Questions
What types of wood can the CMT 794.648 planer knife cut?
This knife is suitable for cutting dry softwood, dry hardwood, and wet hardwood, making it versatile enough for a wide range of woodworking and milling applications.
What does the 13% tungsten (13%W) designation mean for this knife?
The 13%W designation indicates that the high speed steel alloy contains 13% tungsten, which increases the steel's hardness and resistance to heat buildup. This helps the cutting edge maintain sharpness longer compared to lower-alloy steel knives, particularly when processing dense or wet hardwood.
Can this knife be resharpened, and how many times?
The 35 mm cutting height provides material that allows for multiple resharpening cycles over the life of the knife. The exact number of sharpenings depends on how much material is removed each time, but the generous height is designed to extend usable service life significantly beyond a single use.
Is the CMT 794.648 still being manufactured?
No - this item has been discontinued by CMT and is available only while existing supplies last. If you require this knife, it is recommended to purchase while stock is still available.
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