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SmartBolts M20 Class 10.9 are pre-engineered intelligent fastening solutions designed with an integrated visual tension indication system for accurate and real-time monitoring of bolt preload. These high-strength bolts ensure proper tightening and help eliminate the risks of under-tightening and over-tightening. Manufactured with Class 10.9 material and a yellow zinc finish, they provide superior strength, durability, and dependable performance in critical industrial applications.
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