Factory wholesale Drill Bit For Rock - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS

Short Description:

Message Email

Product Detail

Product Tags

Feedback (2)

We have been convinced that with joint attempts, the business enterprise between us will bring us mutual benefits. We could guarantee you product or service good quality and aggressive value for Quarry Rock Drill Bit, Drilling Rig Portable, Inch Dth Hammer, If you are looking for a good quality, fast delivery, best after service and good price supplier in China for long-term business relationship, we will be your best choice.

Factory wholesale Drill Bit For Rock - 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.

Product detail pictures:

Related Product Guide:

Which has a positive and progressive attitude to customer's desire, our corporation constantly improves our merchandise quality to satisfy the desires of consumers and further focuses on safety, reliability, environmental demands, and innovation of Factory wholesale Drill Bit For Rock - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS , The product will supply to all over the world, such as: Casablanca, Seychelles, Netherlands, We have top engineers in these industries and an efficient team in the research. What is more, we have our own archives mouths and markets in China at low cost. Therefore, we can meet different inquiries from different clients. Please find our website to check more information from our products.

Concentric Casing System