40Cr Material 12.9 Grade Excavator and Bulldozer Track Roller Bolt & Nut M14*M90

Product Description

A Part of Number

Advantages / Features:

1). Materials:

Our company has purchased steel from several large steel groups , such as Hangzhou Steel Mill, Shanghai Bashan Steel Mill, Beijing Shrugging Steel Mill whose steel have good mechanical properties and stability of chemical component. it keep the bolt to be of high strength

2). Manufacture Procession

First, we have our own High-precision Digital Machining center for mould making in special Mould Workshop, excellent mould make product beautiful appearance and its size accurately.

The second, we adopt blasting procession, removing Oxidation surface , make the surface to be bright and clean and uniform and beautiful.

The third, in heat treatment: We use the Controlled-atmosphere Automatic heat treatment Furnace, we also have four mesh belt convey furnaces, Can deal with the products in different sizes keeping the non-oxidation surface

3). The all process quality control:

The quality control is strictly performed from buying raw materials in warehouse to different machining procession and to final packing. We have Magnetic Powder Detector, Material Testing Machine, Metallographic Microscope, such testing instruments, guarantee product high quality and beautiful appearance.

4). Our production capacity

Single bolts, every month can produce 1.7 million bolts. Now we buy a Full Automatic Cool-forging Machine. this greatly enhances our production capacity with more quality and more beautiful appearance.

Quanzhou Hongding Construction Machinery Co., Ltd. is specialized in the research & development, manufacturing and supplying of machinery parts and accessories, loed in "the capital of East Asian culture" and the starting point of "Maritime Silk Road", Quanzhou, Fujian Province. Surrounded by Fujian Economic Triangle, the company has the advantage when it comes to transportation in trading. The products includes various types of excavator, bulldozer support heavy wheel, sprocket, excavator idler, guide wheel, rail chain assembly, frame, all kinds of hydraulic cylinders, shaw, shaft, set of high strength bolts, Excavator Sprocket and other excavator mechanical parts. Hongding Machinery has domestically advanced production equipment and testing methods, and has passed the third party authority certifiion as well as international certifiion (ISOCE). The products sell well all over the country, and has been exported to Europe, the Middle East, Africa, Southeast Asia and other countries, based on the leading technology, reliable quality, product variety, reasonable prices and good reputation.

In the next stage of the development, Hongding Machinery will make it more excellent, constantly improving the production and competitiveness, making the supplying chain more thorough. Based on the quality, integrity, mutual benefit and common development, we are seeking for long-term partnerships worldwide, and developing with higher quality, making a leading machinery parts producer to provide customers with better service. Warmly welcome all domestically and abroad to visit us or to consult. Looking forward to the cooperation with you.