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螺尾锥销(GB/T 881—2000) mm |
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标记示例: 公称直径d1=6 mm、公称长度l=50 mm、材料为Y12或Y15、不经热处理、不经表面处理的螺尾锥销的标记: 销 GB/T 881 6×50 |
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d1 |
a |
b |
d2 |
螺距 P |
d3 |
z |
l的范围 |
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h10① |
max |
max |
min |
max |
min |
max |
min |
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5 |
2.4 |
15.6 |
14 |
M5 |
0.8 |
3.5 |
3.25 |
1.5 |
1.25 |
40~50 |
|
6 |
3 |
20 |
18 |
M6 |
1 |
4 |
3.7 |
1.75 |
1.5 |
45~60 |
|
8 |
4 |
24.5 |
22 |
M8 |
1.25 |
5.5 |
5.2 |
2.25 |
2 |
55~75 |
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10 |
4.5 |
27 |
24 |
M10 |
1.5 |
7 |
6.6 |
2.75 |
2.5 |
65~100 |
|
12 |
5.3 |
30.5 |
27 |
M12 |
1.75 |
8.5 |
8.1 |
3.25 |
3 |
85~120 |
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16 |
6 |
39 |
35 |
M16 |
2 |
12 |
11.5 |
4.3 |
4 |
100~160 |
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20 |
6 |
39 |
35 |
M16 |
2 |
12 |
11.5 |
4.3 |
4 |
120~190 |
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25 |
7.5 |
45 |
40 |
M20 |
2.5 |
15 |
14.5 |
5.3 |
5 |
140~250 |
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30 |
9 |
52 |
46 |
M24 |
3 |
18 |
17.5 |
6.3 |
6 |
160~280 |
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40 |
10.5 |
65 |
58 |
M30 |
3.5 |
23 |
22.5 |
7.5 |
7 |
190~320 |
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50 |
12 |
78 |
70 |
M36 |
4 |
28 |
27.5 |
9.4 |
9 |
220~400 |
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技 术 条 件 |
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材 料 |
钢 |
不锈钢 |
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易切钢:Y12、Y15 碳素钢:35、45 35,28~38HRC 45,38~41HRC 合金钢:30CrMnSiA,35~41HRC |
1Cr13、2Cr13 Cr17Ni2 0Cr18Ni9Ti |
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螺纹公差 |
6g |
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表面缺陷 |
不允许有不规则的和有害的缺陷。 销的任何部位不得有毛刺 |
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表面处理 |
不经处理;氧化;磷化;镀锌钝化 |
简单处理 |
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其他表面镀层或表面处理,应由供需双方协议。 所有公差仅适用于涂、镀前的公差 |
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公称长度l的商品规格系列: mm |
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公称 |
40 |
45 |
50 |
55 |
60 |
65 |
75 |
85 |
100 |
120 |
140 |
160 |
190 |
220 |
250 |
280 |
320 |
360 |
400 |
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min |
39.5 |
44.5 |
49.5 |
54.25 |
59.25 |
64.25 |
74.25 |
84.25 |
99.25 |
119.25 |
139.25 |
159.25 |
189.25 |
219 |
249 |
279 |
319 |
359 |
399 |
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max |
40.5 |
45.5 |
50.5 |
55.75 |
60.75 |
65.75 |
75.75 |
85.75 |
100.75 |
120.75 |
140.75 |
160.75 |
190.75 |
221 |
251 |
281 |
321 |
361 |
401 |
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注: 公称长度大于400mm,按40mm递增。 |
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质量 kg |
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公称直径/mm |
5 |
6 |
8 |
10 |
12 |
16 |
20 |
25 |
30 |
40 |
50 |
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公称长度/mm |
每1 000 件钢制品的质量 ≈ |
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40 |
5.90 |
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45 |
6.84 |
9.26 |
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50 |
7.82 |
10.57 |
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55 |
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11.93 |
20.14 |
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60 |
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13.32 |
22.43 |
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65 |
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24.78 |
37.71 |
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75 |
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29.65 |
44.94 |
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85 |
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52.44 |
73.24 |
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100 |
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64.21 |
89.36 |
152.1 |
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120 |
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112.0 |
189.4 |
262.6 |
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140 |
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228.4 |
321.1 |
477.5 |
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160 |
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269.1 |
381.8 |
567.8 |
781.2 |
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190 |
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476.9 |
708.2 |
975.3 |
1584 |
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220 |
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854.7 |
1177 |
1921 |
2787 |
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250 |
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1008 |
1386 |
2269 |
3308 |
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280 |
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1602 |
2626 |
3840 |
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320 |
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3117 |
4569 |
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360 |
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5319 |
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400 |
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6092 |

