产品说明：
| Standard size |
A |
D1 |
D2 |
H |
| 1/2" |
24 |
21, 3 |
M6 |
50 |
| 3/4" |
30 |
26, 9 |
M6 |
60 |
| 1" |
36 |
33, 7 |
M8 |
70 |
| 1 1/4" |
46 |
42, 4 |
M8 |
80 |
| 1 1/2" |
52 |
48, 3 |
M8 |
90 |
| 2" |
64 |
60, 3 |
M10 |
100 |
| 2 1/2" |
78 |
76, 1 |
M10 |
120 |
| 3" |
94 |
88, 9 |
M12 |
140 |
| 3 1/2" |
106 |
101, 6 |
M12 |
150 |
| 4" |
118 |
114, 3 |
M12 |
160 |
| 5" |
146 |
139, 7 |
M12 |
200 |
| 6" |
172 |
165, 1 |
M16 |
220 |
| 8" |
224 |
219 |
M16 |
270 |
| 10" |
278 |
273 |
M16 |
320 |
| 12" |
328 |
324 |
M16 |
360 |
| 16" |
415 |
406, 4 |
M20 |
400 |
| 20’’ |
|
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| 24’’ |
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