Factory Free sample Api Rock Bit For Water Well - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS

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Bear "Customer first, Quality first" in mind, we work closely with our customers and provide them with efficient and professional services for Drifter Drill Rod Manufacturers, China Thread Bit Suppliers, China Thread Coupling Sleeve Supplier, We warmly welcome you to build cooperation and generate a brilliant long term together with us.

Factory Free sample Api Rock Bit For Water Well - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS Detail:

SIZE	INNER DIAMETER (mm)	OUTER DIAMETER (mm)
ATW / AGM	36.8	44.5
BTW / BGM	48.8	56.5

Raw materials:

Tangshan Jinshi only choose the best steel tubes in the market to manufacture our rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.

Heat treatment control:

Heat treatment will greatly improve the material strength and increase the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.

Thread opening process:

Accuracy of threads will determine the use effects and life time of drill rod and casings.

CNC latches and form cutter are used in thread opening processing to minimize error made by anthropic factors.

Additional thread treatment:

Surface of the threads will be cleaned to remove burr adhered after threads are opened.

Afterwards, the tread surface will be phosphated to improve surface conditions.

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Trustworthy good quality and excellent credit score standing are our principles, which will help us at a top-ranking position. Adhering towards the tenet of "quality first, buyer supreme" for Factory Free sample Api Rock Bit For Water Well - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS , The product will supply to all over the world, such as: Germany, Korea, United Arab emirates, We supply skilled service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound items with good logistics service and economical cost. Depending on this, our products and solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia. Adhering to the business philosophy of ??customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.

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The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.