1.Material:tungsten carbide 2.Suitable for cutting medium-hard, hard and very hard formations in geological prospecting,mining

Zhuzhou ZZ Hardmetal, which was established in the hometown of hard metal of China --- Zhuzhou city in Hunan province. A professional Chinese manufacturer of tungsten carbide products such as indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with our company growth, we hope to build business with more companies abroad .

 Customized samples and drawings are welcome!

high quality tungsten carbide drilling bits