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A wide variety of drill bit making machine options are available to you, there are 300 suppliers who sells drill bit making machine on alibaba, mainly located in asia. the top countries of suppliers are india, china, and india, from which the percentage of drill bit making machine supply is 2%, 96%, and 2% respectively.

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73mm, 89mm, 91mm, 114.3mm, 139.7mm nw hw casing pipe. description: 1. our nw hw pw casing tubes are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy. 2. they are manufactured from seamless steel tube by cold drawn.the material is xjy850/30crmnsia which meets the global standard. 3.

Elevators, drill pipe elevator, drilling equipment manufacturer / supplier in china, offering 73mm 2 7/8" tubing elevator of drill well accessories, 9 5/8" 5 blades steel body pdc bit drill bit for well drilling, 8 1/2" la617g tricone drill bit for water well drilling and so on.

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