管螺纹尺寸对照表

管螺纹尺寸对照表
管螺纹外螺纹大径内螺纹小径R1/8"-28 9.728 8.566 R1/4"-19 13.157 11.445
R3/8"-19 16.663 14.951
R1/2"-14 20.956 18.632 (R5/8"-14) 22.912 20.588 R3/4"-14 26.442 24.119
R1"-11 33.250 30.292
R1.1/4"-11 41.912 38.954
R1.1/2"-11 47.805 44.847
R1.3/4"-11 53.748 50.791
R2"-11 59.616 56.659
管螺纹外螺纹大径内螺纹小径G1/8"-28 9.728 8.386 G1/4"-19 13.157 11.445
G3/8"-19 15.862 14.95
G1/2"-14 20.955 18.531 (G5/8"-14) 22.911 20.587 G3/4"-14 26.441 24.117
G1"-11 33.249 30.291
G1.1/4"-11 41.91 36.962
G1.1/2"-11 47.803 44.845
G1.3/4"-11 53.746 50.788
G2"-11 59.614 56.556
管螺纹外径内径
Z1/8"-27 10.272 8.766
Z1/4"-18 13.572 11.314
Z3/8"-18 17.055 14.797
Z1/2"-14 21.223 18.321
Z3/4"-14 26.568 23.666
Z1"-11.1/2 33.228 29.694
Z1.1/4"-11.1/2 41.985 38.451
Z1.1/2"-11.1/2 48.054 44.520 Z2"-11.1/2 60.092 56.558 UNF
管螺纹外径内径
7/16"-20 11.113 9.9
1/2"-20 12.700 11.5
9/16"-18 14.288 12.9
3/4"-16 19.050 17.5
7/8"-14 22.225 20.5
1.1/16"-12 26.988 24.9
1.5/16"-12 33.338 31.3
1.5/8"-12 41.275 39.2
SAE 45°
管螺纹外径内径
3/8"-24 9.525 8.6
7/16"-20 11.113 9.9
1/2"-20 12.700 11.5
5/8"-18 15.875 14.2
3/4"-16 18.900 17.5。