常用螺纹尺寸对照表

8.5 螺纹尺寸 底孔(mm) 螺纹尺寸 底孔(mm)
11.4 M2.5*0.45
2.1
M2.5*0.3 5
2.12
15.0 M3*0.5
2.5 M3*0.35
2.62
18.6 M4*0.7
3.3 M4*0.5
3.46
24.1 M5*0.8
4.2 M5*0.5
4.46
30.3 M6*1
5.0 M6*0.75
2.65 .104"
6#-32
2.7 .1065" 6#-40
2.87 .113"
8#-32
3.45 .136" 8#-36
3.45 .136"
10#-24
3.7 .147" 10#-32
4.0 .159"
12#-24
4.5 .177" 12#-28
4.6 .180"
1/4"-20
5.1 .201" 1/4"-28
11.9 M14*1.5 13.9 M16*1.5 15.3 M18*1.5 17.3 M20*1.5 20.8 M24*1.5 23.8 M27*1.5 26.3 M30*1.5 31.7 M36*1.5 37.2 M42*1.5 42.6 M48*2
12.4 14.4 16.4 16.4 22.4 25.4 28.4 34.4 40.4 45.8
5.4 .213"
螺纹尺寸 大径(mm) 小径(mm) 牙 粗
细 牙
G1/8"-28 G1/4"-19 G3/8"-19 G1/2"-14 G3/4"-14 G1"-11 G1-1/4"-11 G1/1/2"-11 G2"-11
9.73 13.2 16.7 21.0 26.4 33.3 42.0 47.8 59.6
5.2
39.0 M8*1.25
6.7 M8*0.75
7.2
44.9 M10*1.5
8.4 M10*1
8.9
56.7 M12*1.75
10.2 M12*1
10.9
5/16"-18 3/8"-16 7/16"-14 1/2"-13 9/16"-12 5/8"-11 3/4"-10 7/8"-9 1"-8 1-1/4"-7
22.2 7/8" 1"-12
28.2
17/64"
1-1/4"-12
6.9 .272"
8.4 .332"
9.9 25/64"
11.5 29/64"
13.1 33/64"
14.7 37/64"
17.5 11/16"
20.6 13/16"
23.4 59/64"
29.8
111/64"
美国标 准管螺纹 G1/8"-27 G1/4"-18 G3/8"-18 G1/2"-14 G3/4"-14 G1"-11.5 G1-1/4"-11.5 G1/1/2"-11.5 G2"-11.5
10.0 13.2 16.7 21.3 26.6 33.4 42.1 48.2 60.3
M14*2 8.4 M16*2 11.1 M18*2.5 14.3 M20*2.5 17.86 M24*3 23.0 M27*3 29.0 M30*3.5 37.7 M36*4 43.66 M42*4.5 55.56 M48*5
6.5 .257" 5/16"-24
7.94 5/16" 3/8"-24
9.35 .368" 7/16"-20
10.7 27/64" 1/2"-20
12.3 31/64" 9/16"-18
13.5 17/32" 5/8"-18
Baidu Nhomakorabea
16.7 21/32" 3/4"-16
19.5 49/64" 7/8"-14
常用 螺纹 尺寸 对照 表
英制 螺纹
中国 标准管螺 纹
公 制螺纹
粗 牙(UNC)
细 牙(UNF)
螺纹尺寸
底孔 (mm)
底孔
螺纹尺寸
底孔 (mm)
底孔
3#-48
2.0 .0785" 3#-56
2.05 .081"
4#-40
2.26 .089" 4#-48
2.4 .935"
5#-40
2.6 .1015" 5#-44