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CSK Phillips BSW Metal Thread

CSK Phillips BSW Metal Thread

CSK Metal Thread Screws with BSW Threads combine the classic British Standard Whitworth thread profile with a countersunk (CSK) head, making them ideal for flush-fitting applications in older machinery, engineering projects, and restoration work. The coarse, rounded BSW thread provides excellent grip and durability, especially in softer metals like cast iron and mild steel. The countersunk head allows the screw to sit flush with the surface for a neat and secure finish. These fasteners are commonly used in heritage equipment maintenance, industrial machinery, and metal fabrication requiring traditional thread forms. Available in a range of sizes to suit various fastening needs.