Fixed Competitive Price Sandvik - BQ NQ HQ PHD HWT BTW NTW Core Drilling Rod – TDS
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.
Product detail pictures:
Related Product Guide:
By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline 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: Tajikistan, Mali, belarus, We've got constantly insisted on the evolution of solutions, spent good funds and human resource in technological upgrading, and facilitate production improvement, meeting the wants of prospects from all countries and regions.
By Gustave from Jamaica - 2018.12.25 12:43
We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
By Lisa from Lisbon - 2017.04.28 15:45
