BS 93,BS 949,BS 949-1997,BA螺纹,BA螺纹塞规,BA螺纹环规,BA螺纹规,英制仪器螺纹,英制钟表螺纹,
BA No.0,BA No.1,BA No.2,BA No.3,BA No.4,BA No.5,BA No.6,BA No.7,BA No.8,BA No.9,BA No.10,BA No.11,BA No.12,
BA No.3,BA No.14,BA No.15,BA No.16,BA No.17,BA No.18,BA No.19,BA No.20,BA No.21,BA No.22,BA No.23,BA No.24,
BA No.25,
#16BA,#15BA,#14BA,#13BA,#12BA,#11BA,#10BA,#9BA,#8BA,#7BA,#6BA,#5BA,#4BA,#3BA,#2BA,#1BA,#0BA,
#16BA-0.19,#15BA-0.21,#14BA-0.23,#13BA-0.25,#12BA-0.28,#11BA-0.31,#10BA-0.35,#9BA-0.39,#8BA-0.43,#7BA-0.48,
#6BA-0.53,#5BA-0.59,#4BA-0.66,#3BA-0.73,#2BA-0.81,#1BA-0.90,#0BA-1.00,
BA No.0,BA No.1,BA No.2,BA No.3,BA No.4,BA No.5,BA No.6,BA No.7,BA No.8,BA No.9,BA No.10,BA No.11,BA No.12,
BA No.13,BA No.14,BA No.15,BA No.16,BA No.17,BA No.18,BA No.19,BA No.20,BA No.21,BA No.22,BA No.23,BA No.24,
BA No.25,