Industry News
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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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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Characteristics of Quenching Cracks
Quenching cracks are common quenching defects caused by internal stresses that cannot be released during the quenching process. Preventing crack formation should begin at the product design stage. This involves selecting appropriate materials, implementing rational structural design, specifying suit......
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What is the function of a DIN 315 butterfly nut?
The name “butterfly nut” comes from the nut's handle resembling butterfly wings. Butterfly nuts are easy to install and remove, as they can be tightened or loosened by hand, hence they are also called hand-tightening nuts. Common materials include 304/316 stainless steel, zinc-plated carbon steel, a......
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Keep an Eye on 12 Trends in China's Automotive Industry for 2026
Looking ahead to the automotive industry in 2026, forecasting challenges are significantly greater than in previous years. Observing the current automotive landscape requires integrating two perspectives: First, examining industry trends within the broader macroeconomic development framework rather ......
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Toyota Recalls 55,000 Vehicles in the U.S., Highlighting the Critical Role of Automotive Fasteners
Thousands of bolts are strategically placed throughout a vehicle's critical systems, acting as its “joints” to maintain stable connections and coordinated operation between components. Even a single bolt that is not properly tightened can trigger a chain reaction, jeopardizing driving safety. Indust......
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