Fixed Competitive Price Sandvik - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for Odex 140, Retractable Drill Bit Manufacturer, China Mine Rig Factory, With a wide range, good quality, reasonable prices and stylish designs,Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.

Fixed Competitive Price Sandvik - 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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We are convinced that with joint endeavours, the small business between us will bring us mutual benefits. We could assure you products quality and competitive selling price for Fixed Competitive Price Sandvik - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS , The product will supply to all over the world, such as: Mumbai, Plymouth, Johor, we are sincerely hope to establish one good long term business relationship with your esteemed company thought this opportunity, based on equal, mutual beneficial and win win business from now till the future.

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