- British standard brass thread
British Brass Thread thread is an
imperial unitbased screw thread. It adopts the Whitworth thread form with a pitch of 26 threads per inch for all diameters. It is often wrongly called British Standard Brass but is not actually covered by a British Standard.
Nominal sizes are usually in the range 1/8 to 2 inches.
Imperial Unitthread standards:
Unified Thread Standard(UTS, including UNC, UNF and UNEF)
British standard pipe thread(BSP)
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