Threads are 3/4-10, 13/16-10, 7/8-9, 15/16-9, 1-8, 1-1/8-7 Whitworth threads
-Applicable for Fishplate BS 50， BS 60A, BS60R, BS70A, BS75A, BS75R,BS80A,
BS80R, BS80R Angled, BS80’0’, BS90A, BS90R, BS95A, BS95R, BS95 R BH, BS95R
BH Skirted, BS95N, BS100A, BS100R, BS110A, BS113A
