Din557 Sqare Nut
Product: Square Nuts
Standard: DIN557
Material: Q195,ZT195,08AL,SWRCH35K/45K,40CR,42CRMO,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc.
Specification Range: M5-M16
Property Class:6,8,10,12
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Product Introduction
Product: Square Nuts
Standard: DIN557
Material: Q195,ZT195,08AL,SWRCH35K/45K,40CR,42CRMO,etc.
Surface: Plain,zinc plated,black oxide,H.D.G,etc.
Specification Range: M5-M16
Property Class:6,8,10,12
Core Function and Application:
DIN557 is a standard for square nuts specified by German standards, a core function of securely connecting components as fasteners. Through the square structure interlocking with the mounting surface (or specialized square grooves), it plays a role in preventing and slipping, avoiding self-loosening during the connection process. It can also complete assembly with bolts without auxiliary fixing tools, ensuring the reliability of the connection.
Main Industry Application Scenarios
It is widely used in fields with high requirements for connection stability, with core scenarios including mechanical manufacturing, instrument manufacturing, energy and electricity (such as connection of internal components of wind power towers), automotive industry (connection of key components such as engines and chassis), building materials (fixing of structural components), industrial and equipment, and component fixing in the transportation field, etc.
Core Features
Structural Anti-Rotation:
The square exterior design can interlock the mounting surface or card slot, providing excellent anti-self-rotation effect;
Easy Installation:
In some scenarios, it can be assembled without auxiliary tools, meeting the needs of specialized square grooves;
Reliable performance:
It covers materials such as steel and stainless steel, with a performance grade not lower than grade 5 (stainless steel can reach A2-70, A4-80), can withstand large loads, stress distribution is uniform, and it is suitable for harsh environments (select electroplating, hot-dip galvanizing and other surface treatment);
High degree of standardization:
It clearly stipulates dimensional tolerances, materials, performance testing other requirements, to ensure product interchangeability.
Established in 2005, our company has evolved over two decades of continuous development into a leading regional enterprise in the fastener industry with fully automated end-to-end production. With an annual output value exceeding RMB 130 million, our product range covers diverse market segments from mid-range to high-end and is distributed worldwide
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