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28
Nov, 2025
Twist-Shear Type High-Strength Bolts
Twist-shear type high-strength bolts are key fasteners commonly used in structural connections. This paper provides a detailed introduction and systematic analysis of their structure, core performa...
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27
Nov, 2025
Analysis Of Corrosion Phenomena in Stainless Steel Nuts
The quality of a 304 or 316 stainless steel nut is directly related to the overall quality of the equipment. As an indispensable component in equipment assembly, stainless steel nuts can be said to...
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21
Nov, 2025
Standards For Stainless Steel Hex Socket Cap Screws
Stainless steel hex socket cap screws can remain rust-free for many years in the atmosphere, with core materials being SUS304 and SUS316 stainless steel. For screws that comply with national standa...
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18
Nov, 2025
12.9 Grade High-strength Bolts With Corrosion Protection
The core of all fasteners (excluding pins, retainer rings, etc.) lies in threads-without threads, they cannot achieve mating (except for special fasteners like rivets). Threads are regular spiral c...
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14
Nov, 2025
What Are The Common Surface Treatment Processes For Bolts?
As core components in connection and fixing assemblies, the surface treatment of bolts not only affects their appearance but also plays a crucial role in their service life and overall performance....
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11
Nov, 2025
Analysis Of Electrogalvanized Nuts
Common Grade 8 and Grade 4 nuts basically require electrogalvanizing treatment for three main reasons: First, to enhance appearance texture. Unplated nuts have a natural material surface, which is ...
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07
Nov, 2025
Dacromet Bolt Manufacturing Process Analysis
In addition to common cold galvanizing (electrogalvanizing) and hot-dip galvanizing, there is another surface coating process with extremely high corrosion resistance for bolts-Dacromet treatment. ...
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06
Nov, 2025
Electrogalvanizing Treatment Of Hex Socket Cap Bolts
In the fastener market, the most commonly used are Grade 4.8 ordinary hexagon head bolts . Except for their natural finish, the vast majority of these Grade 4.8 bolts undergo electrogalvanizing or ...
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04
Nov, 2025
Stainless Steel Double-Ended Bolts
There are various standards for stainless steel double-ended bolts , such as GB/T 901A and GB/T 901B. A double-ended bolt has threads at both ends and a smooth shank in the middle, which is how it ...
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29
Oct, 2025
Passivation Of Stainless Steel Bolts
After the production of stainless steel bolts , many are directly cleaned thoroughly, packaged, and shipped. But do they require additional passivation treatment? In fact, although stainless steel ...
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23
Oct, 2025
Why Do Zinc Plated Bolts Rust?
Many of us think that bolts won't rust after galvanization, but this is not the case. Zinc plated bolts do not become completely rust-proof; instead, galvanization significantly extends the time it...
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21
Oct, 2025
How To Prevent Loosening Of Stainless Steel Bolts And Key Notes For Usage
When using stainless steel bolts in product assembly, it is necessary to ensure a secure connection between the bolts and the connected components to prevent accidental loosening of the bolts. Belo...