Factory wholesale Double Wall Drill Pipe - Coupling Sleeve – TDS

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Factory wholesale Double Wall Drill Pipe - Coupling Sleeve – TDS Detail:

Because of different applications, we need different lengths of drill stems, so couplings sleeves are used for connecting extension rods. There are semi-bridge couplings and full bridge couplings, the only difference between them is that semi-bridge couplings have a middle stop at the middle of couplings. Usually couplings two ends are the same couplings, like R25, R32,R38,T45, T51, etc .While sometime people need crossover couplings to work, for example, one end is R32 and another end is R38, but basically all couplings are female threads at the two ends.

Connection	Length	diameter	Connection
Connection
D1			D2
	mm	mm
R22	100	32	R22
R32	160	48	R32
R32	170	55	R32
R25	160	37	R25
R38	170	55	R38
T38	190	55	T38
T45	210	64	T45
T51	225	75	T51
T38	185	55	T38

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Bear "Customer 1st, Good quality first" in mind, we work closely with our prospects and supply them with efficient and professional services for Factory wholesale Double Wall Drill Pipe - Coupling Sleeve – TDS , The product will supply to all over the world, such as: Serbia, Milan, Sri Lanka, Our products are very popular in the word, like South American, Africa, Asia and so on. Companies to "create first-class products" as the goal, and strive to deliver customers with high quality solutions, present high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!

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