六角头铰制孔用螺栓 A和B级(GB/T 27—2013)
六角头铰制孔用螺栓 A和B级(GB/T 27—2013)
六角头铰制孔用螺栓 A和B级(GB/T 27—2013) mm |
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允许制造的型式 |
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标记示例: 螺纹规格d=M12、ds尺寸按下表中规定,公称长度l=80mm、机械性能为8.8级、表面氧化处理、A级的六角头铰制孔用螺栓的标记: 螺栓 GB/T 27 M12×80 ds按m6制造时应加标记m6: 螺栓 GB/T 27 M12m6×80 |
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螺纹规格 d |
ds(h9) |
S |
K |
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max |
min |
max |
min |
公称 |
A |
B |
||||
A |
B |
min |
max |
min |
max |
|||||
M6 |
7 |
6.964 |
10 |
9.78 |
9.64 |
4 |
3.85 |
4.15 |
3.76 |
4.24 |
M8 |
9 |
8.964 |
13 |
12.73 |
12.57 |
5 |
4.85 |
5.15 |
4.76 |
5.24 |
M10 |
11 |
10.957 |
16 |
15.73 |
15.57 |
6 |
5.85 |
6.15 |
5.76 |
6.24 |
M12 |
13 |
12.957 |
18 |
17.73 |
17.57 |
7 |
6.82 |
7.18 |
6.71 |
7.29 |
(M14) |
15 |
14.957 |
21 |
20.67 |
20.16 |
8 |
7.82 |
8.18 |
7.71 |
8.29 |
M16 |
17 |
16.957 |
24 |
23.67 |
23.16 |
9 |
8.82 |
9.18 |
8.71 |
9.29 |
(M18) |
19 |
18.948 |
27 |
26.67 |
26.16 |
10 |
9.82 |
10.18 |
9.71 |
10.29 |
M20 |
21 |
20.948 |
30 |
29.67 |
29.16 |
11 |
10.78 |
11.22 |
10.65 |
11.35 |
(M22) |
23 |
22.948 |
34 |
33.38 |
33 |
12 |
11.78 |
12.22 |
11.65 |
12.35 |
M24 |
25 |
24.948 |
36 |
35.38 |
35 |
13 |
12.78 |
13.22 |
12.65 |
13.35 |
(M27) |
28 |
27.948 |
41 |
— |
40 |
15 |
— |
— |
14.65 |
15.35 |
M30 |
32 |
31.938 |
46 |
— |
45 |
17 |
— |
— |
16.65 |
17.35 |
M36 |
38 |
37.938 |
55 |
— |
53.8 |
20 |
— |
— |
19.58 |
20.42 |
M42 |
44 |
43.938 |
65 |
— |
63.8 |
23 |
— |
— |
22.58 |
23.42 |
M48 |
50 |
49.938 |
75 |
— |
73.1 |
26 |
— |
— |
25.58 |
26.42 |
螺纹规格 d |
r min |
dp |
l2 |
e min |
g |
l的范围 |
l-l3 |
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A |
B |
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M6 |
0.25 |
4 |
1.5 |
11.05 |
10.89 |
2.5 |
25~65 |
12 |
||
M8 |
0.4 |
5.5 |
1.5 |
14.38 |
14.20 |
2.5 |
25~80 |
15 |
||
M10 |
0.4 |
7 |
2 |
17.77 |
17.59 |
2.5 |
30~120 |
18 |
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M12 |
0.6 |
8.5 |
2 |
20.03 |
19.85 |
2.5 |
35~180 |
22 |
||
(M14) |
0.6 |
10 |
3 |
23.35 |
22.78 |
3.5 |
40~180 |
25 |
||
M16 |
0.6 |
12 |
3 |
26.75 |
26.17 |
3.5 |
45~200 |
28 |
||
(M18) |
0.6 |
13 |
3 |
30.14 |
29.56 |
3.5 |
50~200 |
30 |
||
M20 |
0.8 |
15 |
4 |
33.53 |
32.95 |
3.5 |
55~200 |
32 |
||
(M22) |
0.8 |
17 |
4 |
37.72 |
37.29 |
3.5 |
60~200 |
35 |
||
M24 |
0.8 |
18 |
4 |
39.98 |
39.55 |
5 |
65~200 |
38 |
||
(M27) |
1 |
21 |
5 |
— |
45.2 |
5 |
75~200 |
42 |
||
M30 |
1 |
23 |
5 |
— |
50.85 |
5 |
80~230 |
50 |
||
M36 |
1 |
28 |
6 |
— |
60.79 |
5 |
90~300 |
55 |
||
M42 |
1.2 |
33 |
7 |
— |
72.02 |
5 |
110~300 |
65 |
||
M48 |
1.6 |
38 |
8 |
— |
82.60 |
5 |
120~300 |
70 |
||
技术条件 |
材料 |
螺纹公差 |
机械性能等级 |
产品等级 |
表面处理 |
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钢 |
6g |
d≤39:8.8;d>39:按协议 |
A级用于d≤24和l≤10d或≤150mm (按较小值) B级用于d>24和l>10d或>150mm (按较小值) |
氧化 |
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注:1.根据使用要求,螺杆上的无螺纹部分杆径(ds)允许按m6、u8制造。 2.螺杆上无螺纹部分(ds)末端倒角45°,根据制造工艺要求,允许制成大于45°,小于1.5P(粗牙螺纹螺距)的颈部。 |
公称长度l的商品规格系列: mm |
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公称 |
25 |
(28) |
30 |
(32) |
35 |
(38) |
40 |
45 |
50 |
(55) |
60 |
(65) |
70 |
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产 品 等 级 |
A |
min |
24.58 |
27.58 |
29.58 |
31.50 |
34.50 |
37.50 |
39.50 |
44.50 |
49.50 |
54.50 |
59.05 |
64.05 |
69.05 |
max |
25.42 |
28.42 |
30.42 |
32.50 |
35.50 |
38.50 |
40.50 |
45.50 |
50.50 |
55.95 |
60.95 |
65.95 |
70.95 |
||
B |
min |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
58.50 |
63.50 |
68.50 |
|
max |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
61.50 |
66.50 |
71.50 |
||
公称 |
(75) |
80 |
(85) |
90 |
(95) |
100 |
110 |
120 |
130 |
140 |
150 |
160 |
170 |
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产 品 等 级 |
A |
min |
74.05 |
79.05 |
83.90 |
88.90 |
93.90 |
98.90 |
108.90 |
118.90 |
128.75 |
138.75 |
148.75 |
— |
— |
max |
75.95 |
80.95 |
86.10 |
91.10 |
96.10 |
101.10 |
111.10 |
121.10 |
131.25 |
141.25 |
151.25 |
— |
— |
||
B |
min |
73.50 |
78.50 |
83.25 |
88.25 |
93.25 |
98.25 |
108.25 |
118.25 |
128.00 |
138.00 |
148.00 |
158.00 |
168.00 |
|
max |
76.50 |
81.50 |
86.75 |
91.75 |
96.75 |
101.75 |
111.75 |
121.75 |
132.00 |
142.00 |
152.00 |
162.00 |
172.00 |
||
公称 |
180 |
190 |
200 |
210 |
220 |
230 |
240 |
250 |
260 |
280 |
300 |
|
|||
产 品 等 级 |
A |
min |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||
max |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
— |
||||
B |
min |
178.00 |
187.70 |
197.70 |
207.70 |
217.70 |
227.70 |
237.70 |
247.70 |
257.40 |
277.40 |
297.40 |
|||
max |
182.00 |
192.30 |
202.30 |
212.30 |
222.30 |
232.30 |
242.30 |
252.30 |
262.60 |
282.60 |
302.60 |
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注:尽可能不采用括号内的规格。 |
质量 kg |
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螺纹规格 |
M6 |
M8 |
M10 |
M12 |
M14 |
M16 |
M18 |
M20 |
M22 |
M24 |
M27 |
M30 |
M36 |
M42 |
M48 |
公称长度 /mm |
每1000件钢制品的质量 ≈ |
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25 |
8.28 |
14.64 |
|
|
|
|
|
|
|
|
|
|
|
|
|
28 |
9.18 |
16.11 |
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
9.77 |
17.10 |
26.88 |
|
|
|
|
|
|
|
|
|
|
|
|
32 |
10.36 |
18.08 |
28.35 |
|
|
|
|
|
|
|
|
|
|
|
|
35 |
11.25 |
19.56 |
30.56 |
42.73 |
|
|
|
|
|
|
|
|
|
|
|
38 |
12.15 |
21.04 |
32.77 |
45.82 |
|
|
|
|
|
|
|
|
|
|
|
40 |
12.74 |
22.02 |
34.24 |
47.87 |
65.94 |
|
|
|
|
|
|
|
|
|
|
45 |
14.23 |
24.48 |
37.92 |
53.02 |
72.79 |
97.93 |
|
|
|
|
|
|
|
|
|
50 |
15.71 |
26.94 |
41.59 |
58.16 |
79.65 |
106.7 |
137.0 |
|
|
|
|
|
|
|
|
55 |
17.20 |
29.40 |
45.27 |
63.30 |
86.50 |
115.6 |
148.0 |
187.3 |
|
|
|
|
|
|
|
60 |
18.68 |
31.87 |
48.95 |
68.44 |
93.35 |
124.4 |
159.0 |
200.8 |
252.4 |
|
|
|
|
|
|
65 |
20.17 |
34.33 |
52.62 |
73.59 |
100.2 |
133.2 |
170.0 |
214.2 |
268.5 |
316.5 |
|
|
|
|
|
70 |
|
36.79 |
56.30 |
78.73 |
107.1 |
142.0 |
181.0 |
227.7 |
284.6 |
335.5 |
|
|
|
|
|
75 |
|
39.25 |
59.98 |
83.87 |
113.9 |
150.8 |
192.0 |
241.1 |
300.8 |
354.6 |
467.7 |
|
|
|
|
80 |
|
41.71 |
63.66 |
89.01 |
120.8 |
159.6 |
203.0 |
254.5 |
316.9 |
373.6 |
491.6 |
636.5 |
|
|
|
85 |
|
|
67.33 |
94.16 |
127.6 |
168.4 |
214.0 |
268.0 |
333.0 |
392.7 |
515.6 |
667.8 |
|
|
|
90 |
|
|
71.01 |
99.30 |
134.5 |
177.2 |
225.0 |
281.4 |
349.1 |
411.8 |
539.5 |
699.0 |
1044 |
|
|
95 |
|
|
74.69 |
104.4 |
141.3 |
186.0 |
236.0 |
294.9 |
365.3 |
430.8 |
563.4 |
730.3 |
1088 |
|
|
100 |
|
|
78.37 |
109.6 |
148.2 |
194.8 |
246.9 |
308.3 |
381.4 |
449.9 |
587.3 |
761.5 |
1132 |
|
|
110 |
|
|
85.72 |
119.9 |
161.9 |
212.4 |
268.9 |
335.2 |
413.7 |
488.0 |
635.2 |
824.0 |
1223 |
1722 |
|
120 |
|
|
93.08 |
130.2 |
175.6 |
230.0 |
290.9 |
362.1 |
445.9 |
526.2 |
683.0 |
886.5 |
1309 |
1840 |
2489 |
130 |
|
|
|
140.4 |
189.3 |
247.7 |
312.9 |
389.0 |
478.2 |
564.3 |
730.9 |
949.0 |
1397 |
1959 |
2642 |
140 |
|
|
|
150.7 |
203.0 |
265.3 |
334.9 |
415.8 |
510.5 |
602.4 |
778.7 |
1012 |
1485 |
2077 |
2795 |
150 |
|
|
|
161.0 |
216.7 |
282.9 |
356.9 |
442.7 |
542.7 |
640.6 |
826.6 |
1074 |
1573 |
2195 |
2947 |
160 |
|
|
|
171.3 |
230.4 |
300.5 |
378.9 |
469.6 |
575.0 |
678.7 |
874.4 |
1136 |
1661 |
2314 |
3100 |
170 |
|
|
|
181.6 |
244.1 |
318.1 |
400.9 |
496.5 |
607.2 |
716.8 |
922.3 |
1199 |
1750 |
2432 |
3253 |
180 |
|
|
|
191.9 |
257.8 |
335.7 |
422.9 |
523.4 |
639.5 |
754.9 |
970.1 |
1261 |
1838 |
2550 |
3406 |
190 |
|
|
|
|
|
353.4 |
444.9 |
550.3 |
671.8 |
793.1 |
1018 |
1324 |
1926 |
2668 |
3559 |
200 |
|
|
|
|
|
371.0 |
466.9 |
577.1 |
704.0 |
831.2 |
1066 |
1386 |
2014 |
2787 |
3711 |
210 |
|
|
|
|
|
|
|
|
|
|
|
1449 |
2102 |
2905 |
3864 |
220 |
|
|
|
|
|
|
|
|
|
|
|
1511 |
2191 |
3023 |
4017 |
230 |
|
|
|
|
|
|
|
|
|
|
|
1574 |
2279 |
3141 |
4170 |
240 |
|
|
|
|
|
|
|
|
|
|
|
|
2367 |
3260 |
4322 |
250 |
|
|
|
|
|
|
|
|
|
|
|
|
2455 |
3378 |
4475 |
260 |
|
|
|
|
|
|
|
|
|
|
|
|
2543 |
3496 |
4628 |
280 |
|
|
|
|
|
|
|
|
|
|
|
|
2720 |
3733 |
4933 |
300 |
|
|
|
|
|
|
|
|
|
|
|
|
2896 |
3969 |
5239 |