... R.SHardnessg/cm3MPαHRAMR10T14.7190092.5Hard wood, MDF, HDF, aluminum & plastic composites and thin non-ferrous metals.YM10TK10MK10X14.5220091.0Hard ... coarse grain. MK614.9210090.0 Hard wood, original wood, aluminum section bar, brass rod and cast iron.YG6K10MK814.7240089.5.Dry ... wood, soft wood, aluminum and brass, graphite and grass.YG8K20MK8C14. ...