High strength Tricone Rock Bit 6 1-2'' For Soft To Hard Formation 1. Description: Tricone drill bits has been in continuous use in the water well,oil & gas industry, and is still being improved! We ...Xem thêm
Tin nhắn của kháchĐể lại lời nhắn
Chưa có bình luận công khai
High Quality 6 1/2" Tungsten Carbide Insert IADC 837 Tricone Roller Drill Bit