Blog - Jinan Zhongchuan Equipment Co., Ltd.

07 2025.07

Can a Spring Washer Really Prevent Loosening?

Anti-Loosening Principle of a Spring WasherThe anti-loosening effect of a spring washer comes from its ability to exert a continuous elastic force after being compressed flat. This elastic force maint...

06 2025.07

High Strength Bolt: Mechanism of Loss of Clamping Force

he Mechanism of Clamping Force Loss in a High Strength Bolt: An Inevitable ChallengeThe axial clamping force in a bolted connection is crucial to ensuring a secure joint after the bolt is tightened. H...

04 2025.07

The Threads of Fasteners (2)

1.3.2 Five Key Elements of Fastener ThreadsThe threads of fasteners are defined by five geometric elements: thread form, diameter, pitch, number of starts, and thread direction (handedness). Only when...

04 2025.07

11 Types of Flanges and Their Seal Face Forms

Type 1: Flat-Welded FlangeAdvantages: Easy to source materials, simple to manufacture, low cost, and widely used.Disadvantages: Poor rigidity, unsuitable for use in chemical piping systems with high d...

03 2025.07

The Threads of Fasteners

1.1 OverviewFasteners refer to components that serve a fastening function. Threaded fasteners are fasteners with threads, manufactured to specific dimensions. They perform their primary function throu...

01 2025.07

How to Inspect a Threaded Screw

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...