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How to prevent bolts and screws from locking up
Choose the right product to prevent stainless steel locking: (1) Confirm whether the mechanical properties of the product can meet customer requirements, such as the tensile strength of bolts, the safe load of nuts, etc; (2) On the premise of meeting the corrosion resi...Read more -
Reasons for locking bolts and screws
The situation where the screw cannot be unscrewed and cannot be removed is called "locking" or "biting", which usually occurs on fasteners made of stainless steel, aluminum alloy, titanium alloy and other materials. Among them, flange connectors (such as pumps and valves...Read more -
The importance of small bolts on excavators
No man of any age can refuse an excavator! The strength of China's infrastructure is beyond doubt, and China's excavator technology is also well-known. As the main construction machinery in engineering construction, the importance of e...Read more -
Expansion phenomenon of the opening of the anti loosening spring washer
Spring washers, abbreviated as spring washers, are widely used fasteners with low cost and simple installation, commonly used to prevent nut loosening. Although spring washers are quite common, there may also be some issues during use ...Read more -
Hebei Duojia supports photovoltaic projects, creating a new benchmark for green energy
Hebei Duojia, as a leading fastener procurement solution service provider in China, has recently successfully participated in the supply of multiple water photovoltaic power generation projects. Photovoltaic power generation project is...Read more -
Duojia, a stable ‘invisible hero’
In this remarkable photovoltaic industry, Hebei Duojia plays a crucial role as an indispensable part. We are well aware that in the photovoltaic industry, every detail is related to the overall safety and stability. Therefore, the fastener products we provide for the pho...Read more -
How to distinguish between drill tail screws and self tapping screws?
Screw is one of the common fasteners, and there are many types of screws, including drill tail screws and self tapping screws. The tail of the drill tail screw is in the shape of a drill tail or pointed tail, and does not require auxiliary processing. It can be directly ...Read more -
The load-bearing function of decryption washer
In the fastener industry, the role of washers goes far beyond the single function of protecting the surface of connectors from scratches caused by nuts. There are various types of gaskets, including flat gaskets, spring gaskets, anti loosening gaskets, and special purpos...Read more -
The magical power and wide application of anchors
Anchor, seemingly ordinary building accessories, actually play an indispensable role in modern architecture and daily life. They have become a bridge connecting stability and safety with their unique fixing mechanism and wide application fields. Anchors, as the name sugg...Read more -
Common methods for blackening treatment of stainless steel
In industrial production, there are two types of surface treatment: physical treatment process and chemical treatment process. Blackening of stainless steel surface is a commonly used process in chemical treatment. Principle: By chemic...Read more -
Unlock the secret of flange bolts
In the field of engineering, flange bolts are the core components of connectors, and their design characteristics directly determine the stability, sealing, and overall system efficiency of the connection. The difference and application scenarios between flange bolts with teeth and without teeth....Read more -
Teach you how to choose the right fasteners
As an essential element in mechanical connections, the selection of fasteners' parameters is crucial for ensuring the stability and safety of the connection. 1. Product Name (Standard) The fasten...Read more