we supply: four flute carbide end mill, tungsten carbide burr, high speed cutter,digital micrometers, indicator,cirs saw blades Weifeng ... , PCD inserts....tungsten carbide burrWe can supply quality tungsten carbide burr in virgin materials. It can be widely used in machining ... steel, stainless steel, hardened steel, copper & aluminium etc. tungsten carbide burr