UNI 6591 Standard Tapping screws, slotted pan head 的尺寸
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尺寸图和技术图
关键尺寸和技术参数
|
Dimensions in mm - source UNI 6951Withdrawn Publication date: 11-1978 |
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|
Ø
|
P |
dk max
|
dk min |
k max
|
k min |
t max
|
t min |
n max
|
n min | Y form C | Y form F |
|
ST 2.2
|
|
4.2
|
3.9 |
1.35
|
1.15 |
0.8
|
0.55 |
0.8
|
0.66 | 2 | 1.6 |
|
ST 2.9
|
1.1 |
5.6
|
5.3 |
1.75
|
1.5 |
1
|
0.75 |
1
|
0.86 | 2.6 | 2.1 |
|
ST 3.5
|
1.3 |
6.9
|
6.54 |
2.1
|
1.85 |
1.25
|
0.95 |
1.2
|
1.06 | 3.2 | 2.5 |
|
ST 3.9
|
1.3 |
7.5
|
7.14 |
2.25
|
2 |
1.4
|
1.05 |
1.2
|
1.06 | 3.5 | 2.7 |
|
ST 4.2
|
1.4 |
8.2
|
7.84 |
2.45
|
2.15 |
1.5
|
1.15 | 1.51 | 1.26 | 3.7 | 2.8 |
|
ST 4.8
|
1.6 |
9.5
|
9.14 |
2.8
|
2.5 |
1.7
|
1.35 | 1.51 | 1.26 | 4.3 | 3.2 |
|
ST 5.5
|
1.8 |
10.8
|
10.37 |
3.2
|
2.85 |
1.95
|
1.55 | 1.91 | 1.66 | 5 | 3.6 |
|
ST 6.3
|
1.8 |
12.5
|
12.07 |
3.65
|
3.3 |
2.2
|
1.8 | 1.91 | 1.66 | 6 | 3.6 |
|
UNI 6951 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial lengths |
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| thread size | ST 2 | ST 2.9 | ST 3.5 | ST 3.9 | ST 4.2 | ST 4.8 | ST 5.5 | ST 6.3 |
| nominal length l | ||||||||
| 4.5 | 0.174 | |||||||
| 6.5 | 0.214 | 0.424 | ||||||
| 9.5 | 0.274 | 0.532 | 0.84 | 1.07 | 1.26 | 1.85 | ||
| 13 | 0.404 | 0.658 | 1.02 | 1.29 | 1.5 | 2.18 | 3.24 | 4.32 |
| 16 | 0.766 | 1.17 | 1.48 | 1.71 | 2.48 | 3.62 | 4.86 | |
| 19 | 0.874 | 1.32 | 1.67 | 1.92 | 2.74 | 4 | 5.4 | |
| 22 | 1.47 | 1.86 | 2.13 | 3.02 | 4.38 | 5.94 | ||
| 25 | 1.62 | 2.05 | 2.34 | 3.3 | 4.76 | 6.48 | ||
| 32 | 2.83 | 3.96 | 5.67 | 7.74 | ||||
| 38 | 4.52 | 6.45 | 8.82 | |||||