| ●QC/T330-1999A型簧片螺母 |
|
自攻螺钉螺纹
规格d |
螺距P |
d1 |
d3 |
l |
W |
e |
t |
K |
| ST3.9 |
1.4 |
3 |
5 |
16 |
12 |
9 |
0.4°-0.04 |
1.8 |
| 2.8 |
| 20 |
12 |
1.8 |
| 2.8 |
| 25 |
18 |
1.8 |
| 2.8 |
| ST4.8 |
1.6 |
3.8 |
6 |
20 |
13 |
12 |
0.6°-0.05 |
1.8 |
| 2.8 |
| 25 |
16 |
1.8 |
| 2.8 |
| ST6.3 |
1.8 |
5 |
7 |
20 |
14 |
14 |
0.8°-0.07 |
1.8 |
| 25 |
2.8 |
|
| 技术条件：材料65Mn； 热处理HRC42～48；表面氧化处理。 |
| |
| ●GB805-88扣紧螺母 |
|
| 螺纹直径 |
螺距P |
D |
S |
e |
m |
δ |
| 6 |
1 |
5 |
10 |
11.5 |
3 |
0.4 |
| 8 |
1.25 |
6.8 |
13 |
16.2 |
4 |
0.5 |
| 10 |
1.5 |
8.5 |
16 |
19.6 |
5 |
0.6 |
| 12 |
17.5 |
10.3 |
18 |
21.9 |
0.7 |
| (14) |
2 |
12 |
21 |
25.4 |
6 |
0.8 |
| 16 |
2 |
14 |
24 |
27.7 |
| 18 |
2.5 |
15.5 |
27 |
31.2 |
7 |
1 |
| 20 |
2.5 |
17.5 |
30 |
34.6 |
| (22) |
2.5 |
19.5 |
34 |
36.9 |
| 24 |
3 |
21 |
36 |
41.6 |
9 |
1.2 |
| (27) |
3 |
24 |
41 |
47.3 |
| 30 |
3.5 |
26.5 |
46 |
53.1 |
1.4 |
| 36 |
4 |
32 |
55 |
63.5 |
12 |
| 42 |
4.5 |
37.5 |
65 |
75 |
1.8 |
| 48 |
5 |
43 |
75 |
86.5 |
14 |
|
| 技术条件：材料65Mn； 热处理HRC30～40；表面氧化处理。 |