Read more: 8 Hammer Types And When To Use Them Although some router bits are made of High-Speed Steel (HSS), most are either Tungsten Carbide Tipped (TCT) or solid carbide. To sharpen them ...

Sharpening TiN drill bits is also difficult because the coating is thin. If they lose this coating, they are made of HSS underneath. Take this into consideration when sharpening different types of ...