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