Fishing tools die tap collar

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Is a kind of commonly used fishing string inner hole part of the fishing tool, is special from tubing, drill pipe, casing milling pipe, packer pipe, water distributor inner hole of perforated falling objects such as thread making fishing tool, tap made by special heat treatment process, high-quality alloy steel with high strength, high toughness and easy in buckle. Tap according to the joint thread and fishing thread specification can be divided into right-handed thread (right-hand tap) and left-hand thread button (tap) some tap have clearance groove. Fishing thread points sawtooth thread and triangle thread two kinds. Collar from fish top external fishing string of a tool, is specially from the drill pipe, tubing and other tubular falling object thread making the outer wall of the fishing tool that can be used for the inner hole or inner hole to salvage the open cylindrical fallin

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Jining Hengwang Mining Machinery Co., Ltd.

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