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kelly bars are inspected by an ultrasonic unit over their full length and full section

Hejian Solidkey Petroleum Machinery Co.,Ltd.

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All kellys' connectons are fitted with pressed steel thread protectors on both ends

Hejian Solidkey Petroleum Machinery Co.,Ltd.

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Model NO.: 5 7/8" 6 blades matrix body PDC Bits
Usage: Drilling
Kind: Diamond Drill
Manufacturing Arts: Cutting

Hejian Solidkey Petroleum Machinery Co.,Ltd.

[Related Keywords: Diamond Pdc Bits ]

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