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Why does the performance of adhesive-coated bolts deteriorate?
Adhesive-coated bolts feature a specialized adhesive layer applied to their surface, serving three core functions: fastening, sealing, and anti-loosening. This coating not only enhances the bond between the bolt and the connected component but also isolates external contaminants, improving overall f......
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Why Do Your Galvanised Screws Rust?
Many assume galvanised screws possess inherent rust-proof properties, yet they still corrode during use. What exactly is happening? In truth, the zinc coating serves merely as a protective “outer layer” for the screw, not a universal shield. Rust formation is largely linked to the condition of the c......
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How to Select Self-Tapping Screws?
Self-tapping screws feature diverse classification dimensions. Common types include Phillips pan-head self-tapping screws, standard pan-head self-tapping screws, and Phillips countersunk self-tapping screws. Additionally, they are categorized by tip characteristics into drill-point, flat-point, and ......
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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 ap......
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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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Guide to Selecting Fastener Materials: Material Determines Performance, Heat Treatment Determines Strength, and Surface Treatment Determines Service Life!2026/07/13A single sentence that captures the essence of the fastener industry: Choose the wrong material, and even the strongest fastener will break; Choose the wrong heat treatment, and even the highest-rated fastener is merely a false claim; Choose the wrong surface treatment, and even the best screw wi......
Jiaxing Aoke – Reliable Supplier of High-Performance EPDM Bonded Washers2026/07/10Featuring prominent advantages such as aging resistance, high and low temperature resistance, water and vapor resistance, high resilience and ultra-long service life, EPDM bonded washers have become the most widely used and cost-effective sealing consumables for engineering supporting applications. ......