SAE-J1926直螺纹O型环管口规格要求

1、直直螺螺纹纹O型型环环管管口口规规格格要要求求备注1.直径U和螺纹节径的同心度在0.005英寸(0.13mm)之内，没有径向和螺旋状的刀纹，环形刀纹控制在100in(最大2.5m).2.推荐的最大口面深度要足能让扳手紧固螺母3.如果孔口面是加工面，尺寸Y和S不必要4.要求的钻孔深度要用平底螺丝攻,以满足有效螺纹长度要求,如果用标准丝攻,钻孔深度要相应增加.5.标称管外径仅做参考.根据设计标准不同,可能会有不同.SAE标标称称大大小小管管标标称称外外径径螺螺纹纹尺尺寸寸SAEJ475(ISO R725),DJ螺螺纹纹KOP(4)S(2,3)U(5)Y(3) 英寸毫米Min Dia 最最小小有有效

2、效深深度度最最小小直直径径最最小小最最大大直直径径标标称称小小数数mm Decimalin mm in mm +0.015+0.4in mm in mm in mm +0.005+0.13in mm Zin-.0000-0.00-0.000-0.001Equiv. in in mm in mm deg -21/80.125-5/16-24UNF-2B0.0621.60.39100.0741.90.438110.468120.0621.60.3589.10.6721712-33/160.187540.15753/8-24UNF-2B0.1253.20.39100.0741.90.5130.468

3、120.0621.60.42110.70.75191250.1968-41/40.2560.23627/16-2OUNF-2B0.1724.40.45411.50.0932.40.563150.547140.0621.60.48712.40.8282112-55/160.312580.3151/2-2OUNF-2B0.23460.45411.50.0932.40.625160.547140.0621.60.55140.9062312-63/80.375100.39379/16-18UNF-2B0.2977.50.512.70.0972.50.688180.60915.5 0.0621.60.6

4、1615.60.9692512-81/20.5120.47243/4-16UNF-2B0.391100.56214.30.12.50.875220.68817.5 0.0942.40.81120.61.1883015-105/80.625160.62997/8-14UNF-2B0.48412.50.65616.70.12.51260.781200.0942.40.94223.91.3443415-123/40.751-1/16-12UN-2B0.609160.75190.133.31.25320.906230.0942.41.14829.21.6254115-147/80.875200.787

5、41-3/16-12UN-2B0.719180.75190.133.31.375350.906230.0942.41.27332.31.7654515-1611250.98421-5/16-12UN-2B0.844210.75190.133.31.5380.906230.1253.21.39835.51.914915-201-1/41.25321.25981-5/8-12UN-2B1.078270.75190.1323.31.875480.906230.1253.21.71343.52.275815-241-1/21.5401.57481-7/8-12UN-2B1.312330.75190.1323.32.125540.906230.1253.21.96249.82.566515-322