Which blade for which use ?
There are two types of knives for RALI handplanes. Chrome steel knives for standard use and tungsten carbide knives for hard timber or abrasive materials.
Chrome steel blades:
For use with soft to medium timber, fir type. Available in 3 versions :
Tungsten carbide blade (hard metal) :
For use with medium hard timber, glued panels, MDF, OSB, BLC, aluminium. Available in 2 versions :
The blades for surfacing planes are slightly curved, so as not to leave marks when planing a surface.
The blades for rebate planes are perfectly flat.