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7 1/2'' Blade Step Drag Bit
Hejian Hengji Bit Manufacture Co., Ltd. as a professional 7 1/2'' Blade Step Drag Bit manufacturer and supplier in China, all the 7 1/2'' Blade Step Drag Bit have passed the international industry certification standards, and you can be completely assured of quality. If you do not find your own Intent 7 1/2'' Blade Step Drag Bit in our product list, you can also contact us, we can provide customized services.
Hejian Hengji Bit Manufacture Co.,LTD is specialized in researching and production of rock drilling bits , mainly includes tricone bits, PDC bits, HDD hole opener, foundation single roller cutters, drag bits and related tools with advanced CNC machines and R&D team.
