2021 China New Design Dth Drill Pipe - Coupling Sleeve – TDS

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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way for Bar Air Compressor, Quarry Rock Drill Bit Supplier, Mining Down The Hole Drilling Rig, Our Company Core Principle: The prestige first ;The quality guarantee ;The customer are supreme.

2021 China New Design Dth 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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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit for 2021 China New Design Dth Drill Pipe - Coupling Sleeve – TDS , The product will supply to all over the world, such as: Greece, Zimbabwe, kazakhstan, Wide selection and fast delivery for you! Our philosophy: Good quality, great service, keep improving. We are looking forward that more and more oversea friends join in our family for further development near the future!

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