NPT.NPS
|
| 标称
NOMINAL
SIZE |
下孔径(
)内以吋为单位 |
|
NPT |
NPS |
| |
使用绞刀之场合 |
不使用绞刀之场合 |
| 1/16-27 |
6.10(0.240) |
6.25(0.246) |
6.35(0.250) |
| 1/8-27 |
8.33(0.328) |
8.43(0.322) |
8.74(0.344) |
| 1/4-18 |
10.72(0.422) |
11.13(0.438) |
11.13(0.438) |
| 3/8-18 |
14.27(0.562) |
14.27(0.562) |
14.68(0.578) |
| 1/2-14 |
17.48(0.688) |
17.86(0.703) |
18.26(0.719) |
| 3/4-14 |
22.63(0.891) |
23.01(0.906) |
23.42(0.922) |
| 1/11
1/2 |
28.58(1.125) |
28.98(1.141) |
29.36(1.156) |
| 1
1/4-11 1/2 |
37.31(1.469) |
37.69(1.484) |
38.10(1.500) |
| 1
1/2-11 1/2 |
43.66(1.719) |
44.04(1.734) |
44.45(1.750) |
| 2-11
1/2 |
55.58(2.188) |
55.96(2.203) |
56.36(2.219) |
| 2
1/2-8 |
65.89(2.594) |
66.68(2.625) |
67.46(2.656) |
| NPTF.NPSF
|
|
下孔径(
)内以吋为单位 |
|
NPTF |
NPSF |
| 使用绞刀之场合 |
不使用绞刀之场合 |
| 5.94(0.234) |
6.25(0.246) |
6.35(0.250) |
| 8.33(0.328) |
8.61(0.339) |
8.74(0.344) |
| 10.72(0.422) |
11.13(0.438) |
11.28(0.444) |
| 14.27(0.562) |
14.68(0.578) |
14.68(0.578) |
| 17.48(0.688) |
17.86(0.703) |
18.26(0.719) |
| 22.63(0.891) |
23.42(0.922) |
23.42(0.922) |
| 28.58(1.125) |
29.36(1.156) |
23.96(1.156) |
| 37.31(1.469) |
38.10(1.500) |
|
| 43.26(1.703) |
44.04(1.734) |
|
| 55.58(2.188) |
55.36(2.219) |
|
| 65.89(2.594) |
67.68(2.641) |
|
| 管牙螺丝下孔径对照表PT
|
| 标称
NOMINAL
SIZE |
下孔径(
)内以吋为单位 |
| |
标准径BASIC DIA |
有效螺牙部之长度(最小)中之母螺牙内径 |
标准长度(最小)中之母螺牙内径 |
| |
使用绞刀之场合 |
不使用绞刀之场合 |
| PT
1/16-28 |
6.10 |
6.20 |
6.244 |
6.384 |
| PT
1/8-28 |
8.10 |
8.20 |
8.249 |
8.398 |
| PT
1/4-19 |
10.70 |
11.00 |
10.962 |
11.174 |
| PT
3/8-19 |
14.2 |
14.5 |
14.448 |
14.658 |
| PT
1/2-14 |
17.6 |
18.0 |
17.979 |
18.263 |
| PT
3/4-14 |
23.0 |
23.5 |
23.378 |
23.663 |
| PT
1-11 |
29.0 |
29.5 |
29.459 |
29.822 |
| PT
1 1/4-11 |
37.5 |
38.0 |
37.976 |
38.339 |
| PT
1 1/2-11 |
43.4 |
44.0 |
43.689 |
44.232 |
| PT
2-11 |
54.9 |
55.5 |
55.412 |
55.844 |
| 软管接头一般称呼-H及螺纹对照表
|
| 标称-UNF
NOMINAL SIZE |
标称孔径
BASIC DIA |
软管接头一般称呼
H |
| 7/16X20 |
9.8 |
1/4 |
| 1/2X20 |
11.50 |
5/16 |
| 9/16X18 |
12.90 |
3/8 |
| 3/4X16 |
17.50 |
1/2 |
| 7/8X14 |
20.50 |
5/8 |
| 1
1/16X12 |
24.90 |
3/4 |
| 1
5/16X12 |
31.30 |
1" |
| 1
5/8X12 |
39.30 |
1
1/4 |
| 1
7/8X12 |
45.60 |
1
1/2 |
| 2
1/2X12 |
61.55 |
2" |
| PS
|
| 标称
NOMINAL
SIZE |
标准径
BASIC DIA |
下孔内径 |
| D1
最大MAX |
D1
最小MIN |
| PS 1/16-28 |
6.50 |
6.632 |
6.490 |
| PS 1/8-28 |
8.50 |
8.637 |
8.495 |
| PS 1/4-19 |
11.40 |
11.549 |
11.341 |
| PS 3/8-19 |
15.0 |
15.054 |
14.846 |
| PS 1/2-14 |
18.5 |
18.773 |
18.489 |
| PS 3/4-14 |
24.0 |
24.259 |
23.975 |
| PS 1-11 |
30.2 |
30.471 |
30.111 |
| PS 1 1/4-11 |
38.8 |
39.132 |
38.772 |
| PS 1 1/2-11 |
44.8 |
45.025 |
44.665 |
| PS 2"-11 |
56.5 |
56.836 |
56.476 |
| PF
|
| 标称
NOMINAL
SIZE |
标准径
BASIC DIA |
AB下孔内径 |
| D1
最大MAX |
D1
最小MIN |
| PF 1/16-28 |
6.70 |
6.843 |
6.561 |
| PF 1/8-28 |
8.70 |
8.848 |
8.566 |
| PF 1/4-19 |
11.70 |
11.890 |
11.445 |
| PF 3/8-19 |
15.2 |
15.395 |
14.950 |
| PF 1/2-14 |
19.0 |
19.172 |
18.631 |
| PF 5/8-14 |
21.0 |
21.128 |
20.578 |
| PF 3/4-14 |
24.5 |
24.658 |
24.117 |
| PF 7/8-14 |
28.2 |
28.418 |
27.877 |
| PF 1-11 |
30.5 |
30.931 |
30.291 |
| PF 1 1/8-11 |
35.2 |
35.579 |
34.939 |
| PF 1 1/4-11 |
39.2 |
39.592 |
38.952 |
| PF 1 1/2-11 |
45.0 |
45.485 |
44.845 |
| PF 1 3/4-11 |
51.0 |
51.428 |
50.788 |
| PF 2"-11 |
57.0 |
57.296 |
56.656 |
