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4145H Slick Drill Collar | API 7-1
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Type A light‑weight drill collars feature a smooth cylindrical surface. They are suitable for vertical wells and can deliver maximum weight on bit. Compliant with API 7‑1 standards, they are manufactured from AISI 4145H alloy steel. Available in sizes ranging from 3‑1/8 inches to 11 inches.
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We can customize high-performance drill pipe assemblies of various sizes according to customer needs.
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052260, East of Beikou, Yingli Town, Jinzhou County, Shijiazhuang City, Hebei Provice, China.
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