🔧 What does BSW mean? It stands for British Standard Whitworth — one of the world’s first standardised screw-thread systems, created in 1841 by Sir Joseph Whitworth. Before BSW, every manufacturer used its own thread form, making parts incompatible. Whitworth changed that, introducing a 55-degree thread angle and a coarse pitch with fewer but deeper threads. The result? Strong, durable fasteners perfect for heavy-duty work. Although most modern industries have moved to metric or unified systems
🔧 What does BSW mean? It stands for British Standard Whitworth — on…
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