Product Description
CMT HSS Knives for Portable Planers - 82x29x3mm, 2-Pack are precision-ground High-Speed Steel replacement blades engineered for portable electric hand planers. Designed as a direct OEM-specification replacement, these planer blades restore consistent, smooth surface planing performance on compatible machines from Bosch, Black and Decker, Makita, and Ryobi. With an 82mm total length, 29mm cutting depth, and 3mm thickness, this 2-piece set gives woodworkers the accurate, repeatable results needed for planing softwood, hardwood, and other common materials.
Key Features
- High-Speed Steel (HSS) construction - delivers durability and edge retention through demanding planing tasks, reducing the frequency of blade changes during continuous use.
- 82x29x3mm blade dimensions - matches OEM knife specifications exactly, ensuring a secure, precise fit in compatible portable planers with no modification required.
- 2-piece pack - provides a complete set for a standard planer head, so both knives can be replaced simultaneously for balanced, vibration-free cutting performance.
- Compatible with multiple planer models - fits Bosch GHO20-82, Black and Decker DN710 and DB711, Makita 1900B, 1923B, 1100, 1901, and Ryobi planers, making these blades a versatile shop consumable for mixed-brand tool fleets.
- Precision-ground cutting edges - each knife is manufactured to exact tolerances, producing a consistent planing depth and a clean surface finish across the full width of the workpiece.
Why This Product
- Replacing worn planer knives with correctly sized HSS blades restores the cutting depth consistency and surface finish quality that dull or chipped knives cannot deliver - this 82x29x3mm set is sized to slot directly into compatible machines without shimming or grinding.
- The HSS material offers a strong balance of hardness and toughness for portable planer use, holding a sharp edge through extended planing sessions on both softwood and hardwood stock.
- Wide cross-brand compatibility - covering Bosch, Makita, Black and Decker, and Ryobi models - means a single replacement knife set can service multiple planers in the same shop or jobsite kit.
- Buying a matched 2-piece set means both knife positions in the planer head are renewed at the same time, helping maintain balanced rotation and reducing the vibration associated with mismatched blade wear.
Specifications
- Manufacturer Part Number: 790.821.50
- Brand: CMT Orange Tools
- Material: HSS (High-Speed Steel)
- Total Length: 82mm
- Cutting Depth: 29mm
- Thickness: 3mm
- Quantity: 2-piece set
Approved Applications
- Surface planing of softwood and hardwood lumber
- Portable electric hand planer use
- Thickness reduction and smoothing of wood workpieces
What's Included
- 2x HSS planer knives (82x29x3mm)
Frequently Asked Questions
Which planer models are these knives compatible with?
These HSS knives are compatible with the Bosch GHO20-82, Black and Decker DN710 and DB711, Makita 1900B, 1923B, 1100, and 1901, and Ryobi portable planers. Always confirm your model's knife slot dimensions match 82x29x3mm before installing.
What are the exact dimensions of each knife in this set?
Each knife measures 82mm in total length, 29mm in cutting depth, and 3mm in thickness. These dimensions are the key measurements used to match the knives to compatible planer heads.
How many knives are included, and why does that matter?
The pack includes 2 HSS planer knives. Most portable planers use two knives mounted opposite each other in the cutter head. Replacing both at the same time ensures balanced rotation and helps prevent the vibration and uneven cutting that can result from mixing a new knife with a worn one.
What does HSS mean and why is it used for planer knives?
HSS stands for High-Speed Steel, a tool steel alloy known for its hardness and ability to retain a sharp cutting edge during high-speed machining operations. For portable planer knives, HSS provides the edge durability needed to plane softwood and hardwood surfaces with consistent results over extended use.
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