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|Knife Material Options & Applications / Grinding WKW Knives / Maximum Profile Depth|
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|M-2 High-Speed Steel
Rockwell C 61-63
(Standard Bevel 35°)
Lumber and woodworking plants the world over specify M-2 high-speed steel knives to produce the finest finish cuts in planer, jointer, moulder and tenoner operations. The consistent hardness and high molybdenum content give an excellent edge and allow for easy grinding that is similar to M-3, M-4 and other molybdenum tool steels.
This steel is used for medium to long runs. When cutting more abrasive material, carbide knives such as WKW's BAK-PAK® are recommended.
OPTI® KNIFE Rockwell C 78
Opti® is designed for cutting natural woods. When cutting these materials, "Opti®-knife" provides at least 50% longer tool life. In some applications these knives will last several times the life of other tool steels. Opti® grinds with normal abrasives. See our grinding instructions for optimum performance.
KARBO KROME® D-2 Rockwell C 56-58
BAK PAK® Carbide Knife System
WKW's BAK PAK® carbide knife system is the ideal solution for a multitude of moulding applications from MDF and glued materials to natural woods. Full corrugations and premium C-3 micro grain carbide maximize wear resistance and performance. Total thickness of the carbide and the backer is 10 mm (.394") allowing the system to be used in any 60 degree corrugated head designed for 3/8" or 10mm knives.
BAK PAK® is available in three widths. 38mm for planing or 50mm
and 60mm for profile applications. All three widths are available in