[摘要]常用塑胶牙螺丝的表示方法您知道哪些呢，是时候学习了。
常用塑胶牙螺丝的表示方法您知道哪些呢，是时候学习了。
|
公称直径in
|
公称直径mm
|
每英寸粗牙数/螺距
|
粗牙底孔-深度
|
每英寸细牙数/螺距
|
细牙底孔-深度
|
|
1/8
|
3.18
|
40/0.635
|
￠2.4-10
|
|
|
|
3/16
|
4.76
|
24/1.058
|
￠3.4-16
|
32/0.794
|
￠3.8-12
|
|
7/32
|
5.56
|
|
|
28/0.907
|
￠4.4-14
|
|
1/4
|
6.35
|
20/1.270
|
￠4.8-19
|
26/0.977
|
￠5.1-15
|
|
9/32
|
7.14
|
|
|
26/0.977
|
￠6.0-15
|
|
5/16
|
7.94
|
18/1.411
|
￠6.2-21
|
22/1.155
|
￠6.5-17
|
|
3/8
|
9.53
|
16/1.588
|
￠7.5-24
|
20/1.270
|
￠8.0-19
|
|
7/16
|
11.11
|
14/1.814
|
￠8.8-27
|
18/1.411
|
￠9.4-22
|
|
1/2
|
12.70
|
12/2.117
|
￠10.0-32
|
16/1.588
|
￠10.8-24
|
|
9/16
|
14.29
|
12/2.117
|
￠11.6-32
|
16/1.588
|
￠12.4-24
|
|
5/8
|
15.88
|
11/2.309
|
￠13.0-35
|
14/1.814
|
￠13.6-27
|
|
11/16
|
17.46
|
11/2.309
|
￠14.5-35
|
14/1.814
|
￠15.2-27
|
|
3/4
|
19.05
|
10/2.540
|
￠15.8-38
|
12/2.117
|
￠16.4-32
|
|
7/8
|
22.23
|
9/2.822
|
￠18.6-42
|
11/2.309
|
￠19.4-35
|
|
1
|
25.40
|
8/3.175
|
￠21.4-48
|
10/2.540
|
￠22.2-38
|
|
1 1/8
|
28.58
|
7/3.629
|
￠24.0-54
|
9/2.822
|
￠25.0-42
|
|
1 1/4
|
31.75
|
7/3.629
|
￠27.2-54
|
9/2.822
|
￠28.2-42
|
|
1 3/8
|
34.93
|
|
|
8/3.175
|
￠31.0-48
|
|
1 1/2
|
38.10
|
6/4.233
|
￠32.8-63
|
8/3.175
|
￠34.2-48
|
|
1 5/8
|
41.28
|
|
|
8/3.175
|
￠37.4-48
|
|
1 3/4
|
44.45
|
5/5.080
|
￠38.0-76
|
7/3.629
|
￠40.0-54
|
|
2
|
50.80
|
4.5/5.644
|
￠43.6-85
|
7/3.629
|
￠46.2-54
|
|
2 1/4
|
57.15
|
4/6.350
|
￠49.0-95
|
6/4.233
|
￠51.8-63
|
|
2 1/2
|
63.50
|
4/6.350
|
￠55.4-95
|
6/4.233
|
￠58.2-63
|