Blog - Jinan Zhongchuan Equipment Co., Ltd.

24 2025.10

1.5 Marking Methods of Fastener1. Referenced StandardsGB/T 1237-2000 "Fastener Marking Methods", GB/T 3099.1-2008 "Fastener Terminology - Threaded Fasteners, Pins and Washers".2. C...

05 2025.09

The Threads of Fasteners (4)

1.4 Thread Fit GradesThread fit refers to the degree of looseness or tightness between mating threads. The fit grade is a specified combination of deviations and tolerances applied to external and int...

05 2025.09

The Threads of Fasteners (3)

1.3.4 Thread DiameterThread diameters include the major diameter (D or d), minor diameter (D₁ or d₁), and pitch diameter. The major diameter of general-purpose threads and trapezoidal threads is als...

02 2025.08

Critical Role of the High Strength Bolt in Wind Turbine Systems

In the vast and complex structure of a wind turbine, the high strength bolt is an indispensable component, responsible for securing key parts together. Its quality and performance have a direct impact...

30 2025.07

How to Choose the Right Fastener Bolt Solution?

In engineering and manufacturing, bolt fastening solutions are essential components. However, over time, bolt loosening can have a significant impact on equipment and structural integrity. To address ...

27 2025.07

The Best Bridge Connection: Welding vs. Bolt

Comparison of Bridge Connection Methods: Welding and BoltIn the selection of bridge component connections, welding and bolt are two common and widely discussed methods. This decision involves multiple...

24 2025.07

Benefits of Using Bolt in the Industrial Sector

Industrial manufacturing is facing increasingly complex challenges, and bolt connections have become the go-to choice for manufacturers due to their ease of use.Bolt is easy to operate by simply pairi...

21 2025.07

Application of Tower Crane Bolts in Port Cranes

Port cranes, as representatives of heavy-duty machinery, are known for their structural complexity and operational efficiency. Their design—comprising the tower structure, jib, slewing system, and tr...

18 2025.07

Mechanical Performance Analysis of Tower Crane Bolts in Port Cranes

With the widespread application of port tower cranes in the logistics industry, the reliability of their connection systems has become a critical factor in ensuring operational efficiency and safety. ...