Blog - Jinan Zhongchuan Equipment Co., Ltd.

01 2025.07

Threads are widely used in industrial fastening connections, and in military products and models, over 80% of structural connections are made using threads. Whether a thread is qualified directly impa...

19 2025.06

High Strength Bolt: Large Hexagonal Head vs. Shear-off Type

Differences in Appearance Design: The Aesthetics of High Strength BoltAs a key component in structural connections, the design of a high strength bolt plays a significant role in the aesthetic appeal ...

16 2025.06

A Guide to Understanding the Double End Stud

What is a Double End Stud?In industrial equipment assembly and connection, a stud plays a crucial role as an essential fastening component. A double end stud is a uniquely designed stud, characterized...

13 2025.06

Factors Leading to Thread Stripping in Threaded Screw

In fastener design, the most common failure mode is bolt fracture, and both a bolt and a nut must be designed to prevent thread stripping. For this reason, when a bolt is paired with a nut, the load-b...

10 2025.06

Analysis of Hexagon Shaped Bolt Backing Out Issues

When it comes to the failure of hexagon shaped bolt, common failure modes can be broadly classified into three categories: bolt fracture, bolt loosening, and bolt backing out. Today, we will primarily...

07 2025.06

Tightening Torque for Locking Nuts: Should Locking Torque Be Included?

Locking nuts play a critical role in various industrial applications, particularly in fields such as clean energy, diesel engines, rail locomotives, and steam turbines. Among the considerations surrou...

04 2025.06

Structural Design of Fastener Bolt Anti-Rotation Mechanism

In vehicle assembly, the connection commonly uses a fastener bolt and metal nut pairing. During assembly, whether tightening the fastener bolt or the metal nut, a rotation phenomenon can occur. This i...

01 2025.06

Fastener Bolt: Types of Surface Treatment Processes

Atmospheric corrosion is one of the main types of corrosion damage to a fastener bolt, with the primary corrosion products being iron hydroxides, oxides, and other minor iron compounds. Common surface...

21 2025.04

Classification of Anchor Bolts

Anchor bolts, as an indispensable part of construction and engineering structures, play a crucial role in ensuring the safety and stability of projects. In this article, we will delve into the two mai...