OEM Factory for Diesel Engine Air Compressor - Blast Hole Drill Pipe – TDS

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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for China Core Sample Drilling Rig Factory, Down The Hole Hammer Factories, Tricone Bit, We warmly welcome clients from all around the world for almost any sort of cooperation with us to build a mutual advantage potential. We've been devoting ourselves wholeheartedly to supply consumers the very best company.

OEM Factory for Diesel Engine Air Compressor - Blast Hole Drill Pipe – TDS Detail:

A drill pipe is a high-strength steel pipe used in drilling. Depending on the drilling method and purpose of drilling, pipes come in different thickness and lengths, with the most common lengths being 3-10 meters. Drill pipes are joined together one by one as the drill progresses deeper into the bedrock. Together, the pipes form a drill string, which can extend several kilometers down into the ground.

Each drill pipe consists of three parts welded together, a central portion and two end pieces. The end piece contains either a male (“pin”) or a female (“box”) thread, which permits interconnection of two drill pipes. The entire drill string is subjected to extremely high loads during drilling, and the thread is always the most critical part in each pipe. If for any reason the male and female thread do not fit exactly into each other, the thread will most probably break and you will lose your entire drill string.

Size		Nominal mass Lb/ft	Calculated weight type		Wall thickness
in.	mm	Nominal mass Lb/ft	lb/ft	kg/m	in.	mm
2 3/8	60.3	6.65	6.26	9.32	0.28	7.11
2 7/8	73	10.4	9.72	14.48	0.362	9.19
3 1/2	88.9	9.5	8.81	13.12	0.254	6.45
3 1/2	88.9	13.3	12.31	18.34	0.368	9.35
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
3 1/2	88.9	15.5	14.63	21.79	0.449	11.4
4	101.6	14	12.93	19.26	0.33	8.38
4 1/2	114.3	13.75	12.24	18.23	0.271	6.88
4 1/2	114.3	16.6	14.98	22.31	0.337	8.56
4 1/2	114.3	20	18.69	27.84	0.43	10.92
5	127	16.25	14.87	22.15	0.296	7.52
5	127	19.5	17.93	26.71	0.362	9.19
5	127	19.5	17.93	26.71	0.362	9.19
5	127	25.6	24.03	35.79	0.5	12.7
5	127	25.6	24.03	35.79	0.5	12.7
5 1/2	139.7	21.90	19.81	29.51	0.361	9.17
5 1/2	139.7	24.70	22.54	33.57	0.415	10.54

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Well-run gear, qualified revenue workforce, and superior after-sales companies; We've been also a unified huge loved ones, anyone persist with the organization benefit "unification, determination, tolerance" for OEM Factory for Diesel Engine Air Compressor - Blast Hole Drill Pipe – TDS , The product will supply to all over the world, such as: Honduras, Mauritius, Monaco, We believe that good business relationships will lead to mutual benefits and improvement for both parties. We have established long-term and successful cooperative relationships with many customers through their confidence in our customized services and integrity in doing business. We also enjoy a high reputation through our good performance. Better performance will be expected as our principle of integrity. Devotion and Steadiness will remain as ever.

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This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.

By Adela from The Swiss - 2017.09.09 10:18

The factory technical staff not only have high level of technology, their English level is also very good, this is a great help to technology communication.

By Elaine from Austria - 2017.07.07 13:00

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