At first glance, a screw may seem like a simple component. However, selecting the right screw can make the difference between a secure, long-lasting assembly and a costly failure. Whether you're working in manufacturing, construction, aerospace, defense, or general industrial applications, choosing the proper fastener is critical to performance, safety, and durability. At Main Source Distribution, we supply a wide range of industrial fasteners, including MS, NAS, metric, standard,...

When standard nuts, bolts, and screws aren’t enough, specialty fasteners provide the strength, precision, and reliability critical industries depend on. From aerospace and defense to medical devices and industrial manufacturing, specialty fasteners are engineered for applications where failure is not an option. At Main Source Distribution, specialty fasteners are a core part of helping customers solve complex fastening challenges with dependable sourcing, custom solutions, and supply chain...

When it comes to building strong, lasting structures, the right fasteners make all the difference. We’ve seen firsthand how choosing durable, reliable fasteners can save time, money, and headaches on any project. Whether you’re assembling heavy machinery, securing steel frameworks, or working on defense-grade equipment, the quality of your fasteners matters. In this guide, we’ll walk you through everything you need to know about construction fasteners. From types and materials to industry...