... DTH hammer with the similar quality level to Atlas and Sanvik. Factory price and Carbide ... with Atlas copco's productsXiamen Betopper Mining Machinery Co., Ltd. produce the corollary equipments which match with products ... " series, parameter about different request, pls refer to below chart: COP34,HD35,IR3.5Bit Dia.NO. ... 5Any enquiry or problems, pls feel free to contact with us! DTH Bit(Cop32,Br3,XL3) ...