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More Than Just Hardness: What Really Goes Into a Grade 10.9 Bolt?
When it comes to heavy-duty machinery or structural steelwork, Grade 10.9 bolts are often the "unsung heroes." They sit in that sweet spot of high tensile strength and reliable ductility.But at LONSE, we often get asked by clients: "What actually makes a bolt a 10.9? Is it just the material, or is there more to the story?"The truth is, a 10.9 bolt isn’t born; it’s made through a precise, high-stakes manufacturing journey. Here is a look...Read more -
The Role of Flat Washers in Steel Structure Bolted Connections
Introduction: Small Component, Big ImpactIn steel structure construction, engineers often focus on the strength of bolts and the quality of steel members. However, many connection failures are not caused by bolt breakage, but by improper load distribution at the joint.Flat washers, though small and often overlooked, play a critical role in ensuring the safety, durability, and long-term performance of steel building connections.Read more -