The engineer Joseph Whitworth developed the BSW thread in 1841 and it is still used to this day. It has a coarser pitch than BSF threads. We have a range of thread repair kits specifically for repairing damaged or stripped BSW threads.
BSW 1/8-40 Thread Repair KitNon stocked item, lead time 2-3 weeks£51.71BSW 3/16-24 Thread Repair KitLead time: 2-3 weeks£33.66BSW 1/4-20 Thread Repair KitOut of stock£33.67BSW 5/16-18 Thread Repair KitOut of stock£34.61BSW 3/8-16 Thread Repair KitOut of stock£37.88BSW 7/16-14 Thread Repair KitOut of stock£38.93
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