Long life,Good Wear Resistance,Excellent toughness,any grade with different grain size are available Good-Quality-Tyre-Studs We produces a series Tungsten ... Materials which made by our own Powder Plant, so, our quality is fine and the price is competitive. Detailed Product DescriptionPCR ... : EPK8, EP8, AS8 Feeders Requested: HFNW8 Tungsten Carbide Stud with high wear resistance