螺纹标准大全
A型美制螺纹(UNF)常用规格
外螺纹内螺纹
-49/16"-19牙14.2813.08
-611/16''-1617.4616.1
-813/16''-1620.6419.28
-101''-1425.4023.57
-121(3/16)''-1230.0028.32
-161(7/16)''-1236.5134.67
-201(11/16)''-1242.8641.02
C型JIC37度美制UNF螺纹常用规格
-47/16”-2011.1110.03
-51/2”-2012.7011.32
-69/16”-1814.2813.08
-83/4”-1619.0017.68
-107/8”-1422.2220.68
-121(1/16)"-1226.9825.15
-161(5/16)"-1233.3331.5
-201(5/8)"-1241.2839.44
-241(7/8)"-1247.6245.8
-322(1/2)"-1263.561.67
英制圆柱管螺纹(BSPP)常用规格
-41/4”-1913.15711.55
-63/8”-1916.66214.95
-81/2”-1420.95518.63
-123/4”-1426.44124.11
-161”-1133.24930.29
-201(1/4)''-1141.9138.95
美制圆锥管螺纹(NPT)
1/8”-2710.244
1/4”-1813.604
3/8”-1817.044.32
1/2”-1421.224.48
3/4”-1426.574.75
1”-11(1/2)”33.224.6
1(1/4)”-11.541.964.83