管用テーパ(R,PT)および平行ねじ(G,PF,PS)
ねじの
呼び |
Rねじ山 |
基準径 |
基準径の位置 |
有効ねじ部長さ |
山数 |
ピッチ |
高さ |
丸み |
おねじ |
おねじ |
めねじ |
おねじ |
めねじ |
外径 |
有効径 |
谷径 |
管端から |
管端部 |
テーパーねじ |
平行ねじ |
めねじ |
基準の長さ |
許容差 |
許容差 |
谷径 |
有効径 |
内径 |
R1/16 |
28 |
0.9071 |
0.581 |
0.12 |
7.723 |
7.142 |
6.561 |
3.97 |
0.91 |
1.13 |
2.5 |
6.2 |
4.4 |
R1/8 |
28 |
0.9071 |
0.581 |
0.12 |
9.728 |
9.147 |
8.566 |
3.97 |
0.91 |
1.13 |
2.5 |
6.2 |
4.4 |
R1/4 |
19 |
1.3368 |
0.856 |
0.18 |
13.157 |
12.301 |
11.445 |
6.01 |
1.34 |
1.67 |
3.7 |
9.4 |
6.7 |
R3/8 |
19 |
1.3368 |
0.856 |
0.18 |
16.662 |
15.806 |
14.950 |
6.35 |
1.34 |
1.67 |
3.7 |
9.7 |
7.0 |
R1/2 |
14 |
1.8143 |
1.162 |
0.25 |
20.955 |
19.793 |
18.631 |
8.16 |
1.81 |
2.27 |
5.0 |
12.7 |
9.1 |
R3/4 |
14 |
1.8143 |
1.162 |
0.25 |
26.441 |
25.279 |
24.117 |
9.53 |
1.81 |
2.27 |
5.0 |
14.1 |
10.2 |
R1 |
11 |
2.3091 |
1.479 |
0.32 |
33.249 |
31.770 |
30.291 |
10.39 |
2.31 |
2.89 |
6.4 |
16.2 |
11.6 |
R1 1/4 |
11 |
2.3091 |
1.479 |
0.32 |
41.910 |
40.431 |
38.952 |
12.70 |
2.31 |
2.89 |
6.4 |
18.5 |
13.4 |
R1 1/2 |
11 |
2.3091 |
1.479 |
0.32 |
47.803 |
46.324 |
44.845 |
12.70 |
2.31 |
2.89 |
6.4 |
18.5 |
13.4 |
R2 |
11 |
2.3091 |
1.479 |
0.32 |
59.614 |
58.135 |
56.656 |
15.88 |
2.31 |
2.89 |
7.5 |
22.8 |
16.9 |
R2 1/2 |
11 |
2.3091 |
1.479 |
0.32 |
75.184 |
73.705 |
72.226 |
17.46 |
3.46 |
3.46 |
9.2 |
26.7 |
18.6 |
R3 |
11 |
2.3091 |
1.479 |
0.32 |
87.884 |
86.405 |
84.926 |
20.64 |
3.46 |
3.46 |
9.2 |
29.8 |
21.1 |
R4 |
11 |
2.3091 |
1.479 |
0.32 |
113.030 |
111.551 |
110.072 |
25.4 |
3.46 |
3.46 |
10.4 |
35.8 |
25.9 |
R5 |
11 |
2.3091 |
1.479 |
0.32 |
138.430 |
136.951 |
135.472 |
28.58 |
3.46 |
3.46 |
11.5 |
40.1 |
29.3 |
R6 |
11 |
2.3091 |
1.479 |
0.32 |
163.830 |
162.351 |
160.872 |
28.58 |
3.46 |
3.46 |
11.5 |
40.1 |
29.3 |
|
|