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External Hex Bolt or Internal Hex Bolt？
Hexagon head bolts are a common type of fastener. Compared to flat-head or Phillips-head bolts, they are less prone to stripping during assembly and can withstand higher torque. Hexagon head bolts can be categorised into two types: external hex bolts and Internal hex bolts. So what distinguishes the......
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What is the difference between self-locking nuts and locking nuts?
A self-locking nut is a nut that secures itself through friction. Conventional nuts may loosen during use due to vibration or other factors. To prevent this, self-locking nuts were developed. Their primary functions are anti-loosening and vibration resistance, making them suitable for specialised a......
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What is Thread Rolling?
Thread rolling is a manufacturing process that employs forming rollers to induce plastic deformation in the workpiece, thereby creating threads. Unlike cutting methods, it does not form the required profile by removing metal; instead, it creates threads as the mirror image of the thread rolling die.......
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What is the primary difference between pan-head screws and countersunk screws?
Pan-head screws and countersunk screws are two of the most commonly used fasteners in everyday assembly. Their core differences lie in the shape of their heads, their intended applications, and the scenarios in which they are suitable.
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How to Choose Surface Treatments for Fasteners?
Most fasteners are made of carbon steel or alloy steel and generally require corrosion resistance. Therefore, surface coatings must adhere firmly to prevent peeling during installation and removal. For threaded fasteners, coatings must also be sufficiently thin to ensure threads can engage properly ......
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Notice: Chinese Laba Festival Order & Pricing Reminder
Dear Customers: January 26, 2026 marks China's Laba Festival, preceding the Spring Festival. Domestic production workers will begin returning home in batches starting from Laba Festival to celebrate the holiday. During this period, manufacturing facilities will gradually reduce staffing levels and p......
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