美标统一螺纹量规符合美国联邦标准 ANSI/ASME B1.2. 美标统一螺纹环规及螺纹塞规  编   号标准尺寸、每英寸牙数  系   列   代   号    质 量(kg)环 规塞 规925/926-010.073-64UNCUNFUNEFUNUNS0.00310.00064925/926-020.086-560.00480.000684925/926-030.099-480.007480.00075925/926-040.112-400.007420.00083925/926-050.125-400.007420.00083925/926-060.138-320.013850.00099925/926-070.164-320.013850.00099925/926-080.190-240.013650.00125925/926-090.216-240.014550.00277925/926-100.250-200.014550.00277925/926-110.3125-180.0340.00461925/926-120.375-160.040.00736925/926-130.4375-140.07150.01393925/926-140.500-130.07150.01393925/926-150.5625-120.08050.01833925/926-160.625-110.07620.0292925/926-170.750-100.1290.0584925/926-180.875-90.1630.063925/926-191.000-80.180.1345925/926-201.125-70.350.1628925/926-211.250-70.31750.2248925/926-221.375-60.3670.273925/926-231.500-60.430.336925/926-241.750-50.6320.489925/926-252.000-4.50.8180.667注：请按产品直径、每黄寸牙数和系列代号的产品编号及螺纹精度等级订货。我厂可提供1A、2A、3A级的环规和1B、2B、3B级的塞规。