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A high-strength bolt that can withstand 18 tons of weight is incredible! Bolts made of high-strength steel or requiring a larger preload can be called high-strength bolts. High-strength bolts are mostly used for connections in bridges, rail....
On March 21st, the Ninth Session of the First Mem)ber Congress and the Ninth Session of the First Council Meeting of the Fasteners Branch of the China General Machinery Components Industry Association was grandly held in Hangzhou, Zhejiang.....
Cold heading is a forging method that uses dies to upset metal bar stock into shape at room tem)perature, typically used for manufacturing the heads of screws, bolts, rivets, etc. It can reduce or replace cutting operations. The materials f....
The working principle of expansion bolts is actually quite simple: they utilize the expansion characteristics of the expansion sleeve to achieve fixation. When the bolt is tightened, the expansion sleeve expands outward, creating friction w....
On March 19, 2025, the Boundless Life 2025 Ecosystem) Launch Event by ZhiMi Technology was held in Shanghai. The humanoid robot XiaoMai, under the Magic Atom brand, was invited to serve as the host of the event, participating in the opening....
Cold heading is widely used in the manufacturing process of fasteners such as bolts, studs, screws, and nuts, characterized by smooth operation, high precision, high production rate, and ease of automation. The multi-station automatic cold....
A bolt is a type of fastener consisting of two parts: a head and a screw (a cylinder with external threads). It is used in conjunction with a nut to securely connect two parts with through holes. This type of connection is called a bolted c....
Bolt connections are widely used in various fields such as automobiles, chemical industry, large presses, ships, and aviation. The axial preload of bolts has a significant impact on their service life and connection conditions. This study a....
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