小六角头螺栓(GB 21—1976)
小六角头螺栓(GB 21—1976)
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小六角头螺栓(GB 21—1976) mm |
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技术条件按GB 38—76的规定； 括号内尺寸为非优选。 |
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螺纹规格 d |
P 螺距 |
s |
k |
e |
r |
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最大值 |
最小值 |
公称 |
最大值 |
最小值 |
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|
M8 |
1.25 |
12 |
11.76 |
5 |
5.24 |
4.76 |
13.8 |
0.4 |
|
M10 |
1.5 |
14 |
13.76 |
6 |
6.24 |
5.76 |
16.2 |
0.4 |
|
M12 |
1.75 |
17 |
16.76 |
7 |
7.29 |
6.71 |
19.6 |
0.6 |
|
(M14) |
2 |
19 |
18.72 |
8 |
8.29 |
7.71 |
21.9 |
0.6 |
|
M16 |
2 |
22 |
21.72 |
9 |
9.29 |
8.71 |
25.4 |
0.6 |
|
(M18) |
2.5 |
24 |
23.72 |
10 |
10.29 |
9.71 |
27.7 |
1 |
|
M20 |
2.5 |
27 |
26.72 |
11 |
11.35 |
10.65 |
31.2 |
1 |
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(M22) |
2.5 |
30 |
29.72 |
12 |
12.35 |
11.65 |
34.6 |
1 |
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M24 |
3 |
32 |
31.66 |
13 |
13.35 |
12.65 |
36.9 |
1 |
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(M27) |
3 |
36 |
35.66 |
15 |
15.35 |
14.65 |
41.6 |
1 |
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M30 |
3.5 |
41 |
40.66 |
17 |
17.35 |
16.65 |
47.3 |
1 |
|
M36 |
3.5 |
50 |
49.66 |
20 |
20.42 |
19.58 |
57.7 |
1.5 |
|
M42 |
4.5 |
55 |
54.6 |
23 |
23.42 |
22.58 |
63.5 |
1.5 |
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M48 |
5 |
65 |
64.6 |
26 |
26.42 |
25.58 |
75 |
1.5 |
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公称长度 l 的商品规格系列： mm |
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|
公称 |
10 |
12 |
(14) |
16 |
(18) |
20 |
(22) |
25 |
(28) |
30 |
(32) |
35 |
(38) |
40 |
45 |
|
50 |
55 |
60 |
65 |
70 |
75 |
80 |
85 |
90 |
95 |
100 |
110 |
120 |
130 |
140 |
|
|
150 |
160 |
170 |
180 |
190 |
200 |
210 |
220 |
230 |
240 |
250 |
260 |
280 |
300 |
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质量 kg |
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|
螺纹规格d |
M8 |
M10 |
M12 |
(M14) |
M16 |
(M18) |
M20 |
(M22) |
M24 |
(M27) |
M30 |
M36 |
M42 |
M48 |
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公称长度l /mm |
每1000件钢制品的质量 ≈ |
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10 |
8.028 |
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12 |
8.668 |
13.93 |
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(14) |
9.308 |
14.93 |
23.79 |
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16 |
9.948 |
15.93 |
25.24 |
35.34 |
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(18) |
10.58 |
16.93 |
26.69 |
37.33 |
53.29 |
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20 |
11.22 |
17.93 |
28.14 |
39.32 |
55.95 |
71.84 |
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(22) |
11.86 |
18.93 |
29.59 |
41.31 |
58.61 |
75.14 |
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25 |
13.04 |
20.43 |
31.77 |
44.29 |
62.61 |
80.14 |
105.6 |
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(28) |
14.22 |
21.93 |
33.95 |
47.27 |
66.61 |
85.14 |
111.8 |
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30 |
15.01 |
23.16 |
35.4 |
49.26 |
69.67 |
88.44 |
116 |
149.4 |
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(32) |
15.8 |
24.39 |
36.85 |
51.25 |
71.93 |
91.74 |
120.2 |
154.5 |
185.5 |
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|
35 |
16.98 |
26.24 |
39.03 |
54.23 |
75.93 |
96.74 |
126.4 |
162.2 |
194.5 |
266.1 |
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|
(38) |
18.16 |
28.09 |
41.69 |
57.21 |
79.93 |
101.7 |
132.6 |
169.9 |
203.5 |
277.7 |
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|
40 |
18.95 |
29.32 |
43.47 |
59.2 |
82.59 |
105 |
136.8 |
175 |
209.5 |
285.4 |
381.7 |
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|
45 |
20.92 |
32.4 |
47.91 |
65.24 |
89.25 |
113.3 |
147.2 |
187.8 |
224.5 |
304.7 |
405.4 |
646 |
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|
50 |
22.89 |
35.48 |
52.35 |
71.28 |
96.84 |
121.6 |
157.6 |
200.6 |
239.5 |
324 |
429.1 |
680.4 |
938.5 |
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|
55 |
24.86 |
38.56 |
56.79 |
77.32 |
104.7 |
131.6 |
168 |
213.4 |
254.5 |
343.3 |
452.8 |
714.8 |
985.5 |
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|
60 |
26.83 |
41.64 |
61.23 |
83.36 |
112.6 |
141.6 |
180.3 |
226.2 |
269.5 |
362.6 |
476.5 |
749.2 |
1033 |
1479 |
|
65 |
28.8 |
44.72 |
65.67 |
87.4 |
120.5 |
151.6 |
192.6 |
241.1 |
284.5 |
381.9 |
500.2 |
783.6 |
1080 |
1541 |
|
70 |
30.77 |
47.8 |
70.11 |
93.44 |
128.4 |
161.6 |
204.9 |
256 |
302.3 |
401.2 |
523.9 |
818 |
1127 |
1603 |
|
75 |
32.74 |
50.88 |
74.55 |
99.48 |
136.3 |
171.6 |
217.2 |
270.9 |
320.1 |
423.7 |
547.6 |
852.4 |
1174 |
1665 |
|
80 |
34.71 |
53.96 |
78.99 |
105.5 |
144.2 |
181.6 |
229.5 |
285.8 |
337.9 |
446.2 |
575.3 |
886.8 |
1221 |
1727 |
|
85 |
36.68 |
57.04 |
83.43 |
111.5 |
152.1 |
191.6 |
241.8 |
300.7 |
355.7 |
468.7 |
603 |
921.2 |
1268 |
1789 |
|
90 |
|
60.12 |
87.87 |
117.5 |
160 |
201.6 |
254.1 |
315.6 |
373.5 |
491.2 |
630.7 |
955.6 |
1315 |
1851 |
|
95 |
|
63.2 |
92.31 |
123.5 |
167.9 |
211.6 |
266.4 |
330.5 |
391.3 |
513.7 |
658.4 |
995.6 |
1362 |
1913 |
|
100 |
|
66.28 |
96.75 |
129.5 |
175.8 |
221.6 |
278.7 |
345.4 |
409.1 |
536.2 |
686.1 |
1036 |
1409 |
1975 |
|
110 |
|
72.44 |
105.6 |
141.5 |
191.6 |
241.6 |
303.3 |
375.2 |
444.7 |
581.2 |
741.5 |
1116 |
1517 |
2099 |
|
120 |
|
78.6 |
114.4 |
153.5 |
207.4 |
261.6 |
327.9 |
405 |
480.3 |
626.2 |
796.9 |
1196 |
1625 |
2241 |
|
130 |
|
84.77 |
123.3 |
165.6 |
223.2 |
281.6 |
352.6 |
434.9 |
515.8 |
671.1 |
852.4 |
1276 |
1734 |
2383 |
|
140 |
|
90.94 |
132.2 |
177.7 |
239 |
301.6 |
377.3 |
464.8 |
551.3 |
716 |
907.9 |
1356 |
1843 |
2525 |
|
150 |
|
97.11 |
141.1 |
189.8 |
254.8 |
321.6 |
402 |
494.7 |
586.8 |
760.9 |
963.4 |
1436 |
1952 |
2667 |
|
160 |
|
103.3 |
150 |
201.9 |
270.6 |
341.6 |
426.7 |
524.6 |
622.3 |
805.8 |
1019 |
1516 |
2061 |
2808 |
|
170 |
|
109.5 |
158.9 |
214 |
286.4 |
361.6 |
451.4 |
554.5 |
657.8 |
850.7 |
1075 |
1596 |
2170 |
2951 |
|
180 |
|
115.7 |
167.8 |
226.1 |
302.2 |
381.6 |
476.1 |
584.4 |
693.3 |
895.6 |
1131 |
1676 |
2279 |
3193 |
|
190 |
|
|
176.7 |
238.2 |
318 |
401.6 |
500.8 |
614.3 |
728.8 |
940.5 |
1187 |
1756 |
2388 |
3335 |
|
200 |
|
|
185.6 |
250.3 |
333.8 |
421.6 |
525.5 |
644.2 |
764.3 |
985.4 |
1243 |
1836 |
2497 |
3477 |
|
210 |
|
|
194.5 |
262.4 |
349.6 |
441.6 |
550.2 |
674.1 |
799.8 |
1030 |
1299 |
1916 |
2606 |
3619 |
|
220 |
|
|
203.4 |
274.5 |
365.4 |
461.6 |
574.9 |
704 |
835.3 |
1075 |
1355 |
1996 |
2715 |
3761 |
|
230 |
|
|
|
|
|
481.6 |
599.6 |
733.9 |
870.8 |
1120 |
1411 |
2076 |
2824 |
3903 |
|
240 |
|
|
|
|
|
501.6 |
624.3 |
763.8 |
906.3 |
1165 |
1467 |
2156 |
2933 |
4045 |
|
250 |
|
|
|
|
|
|
|
|
941.8 |
1210 |
1523 |
2236 |
3042 |
4187 |
|
260 |
|
|
|
|
|
|
|
|
977.3 |
1255 |
1579 |
2316 |
3151 |
4329 |
|
280 |
|
|
|
|
|
|
|
|
|
|
|
2476 |
3369 |
4613 |
|
300 |
|
|
|
|
|
|
|
|
|
|
|
2636 |
3587 |
4897 |
