1.HSS saw blade 2. Metal slotting saws 3.low price, high quality , 4.High Quality .5,High durable Provides you ... and increases the overall life.Suitable for general cutting work.TiN(Titanium Nitride)This is an excellent PVD coating for protecting ... teeth<25, thickness<6)Surface of Cutter: Original colour, black, TiN coated.Material: W9Mo3Cr4V, M2 or super-hard material.Application: Slotting ...