We are Hejian Zhankui Drilling Equipment Co., Ltd , Spare Parts Compact was established in 1980.Supplying Tricone bits(new and renew),PDC bits, drill pipe, drill collar ,put together the long diameter bits and so on drilling equipment for petroleum & gas, water well ,mining and tectonic industries. Only one of the manufacture of PDC bit and diamond core bit in our area. We can design and manufacture of the bits ,as your request.All the products won customers like from all over the world.
tricone bit Cutting structure: very long widely spaced ,chisel-shaped inserts and considerable cone axis offset against center line of bit ensure very high penetration rate .To secure the bit from diameter loss, the gage protection inserts have got shorter length and greater angle of the top. Formations: long intervals of very soft poorly compacted shales ,sandstone, clays, salts and soft limestones. Size and IADC available: 3 3/4" to 26" IADC 415,435,445,417,437,517,537,617