六角头螺栓 细牙 全螺纹(GB/T 5786—2016) mm | |||||||||
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标记示例: 螺纹规格d=M12×1.5、公称长度l=80mm、细牙螺纹、性能等级为8.8级、表面氧化、全螺纹、产品等级为A级的六角头螺栓的标记: 螺栓 GB/T 5786 M12×1.5×80 | |||||||||
螺纹规格 d×P | a | c | k | ||||||
公称 | A级 | B级 | |||||||
max | min | max | min | max | min | max | min | ||
M8×1 | 3 | 1 | 0.60 | 0.15 | 5.3 | 5.45 | 5.15 | 5.54 | 5.06 |
M10×1 | 3 | 1 | 0.60 | 0.15 | 6.4 | 6.58 | 6.22 | 6.69 | 6.11 |
(M10×1.25) | 4 | 1.25 | 0.60 | 0.15 | 6.4 | 6.58 | 6.22 | 6.69 | 6.11 |
(M12×1.25) | 4 | 1.25 | 0.60 | 0.15 | 7.5 | 7.68 | 7.32 | 7.79 | 7.21 |
M12×1.5 | 4.5 | 1.5 | 0.60 | 0.15 | 7.5 | 7.68 | 7.32 | 7.79 | 7.21 |
(M14×1.5) | 4.5 | 1.5 | 0.60 | 0.15 | 8.8 | 8.98 | 8.62 | 9.09 | 8.51 |
M16×1.5 | 4.5 | 1.5 | 0.8 | 0.2 | 10 | 10.18 | 9.82 | 10.29 | 9.71 |
(M18×1.5) | 4.5 | 1.5 | 0.8 | 0.2 | 11.5 | 11.715 | 11.285 | 11.85 | 11.15 |
M20×1.5 | 4.5 | 1.5 | 0.8 | 0.2 | 12.5 | 12.715 | 12.285 | 12.85 | 12.15 |
(M20×2) | 6 | 2 | 0.8 | 0.2 | 12.5 | 12.715 | 12.285 | 12.85 | 12.15 |
(M22×1.5) | 4.5 | 1.5 | 0.8 | 0.2 | 14.00 | 14.215 | 13.785 | 14.35 | 13.65 |
M24×2 | 6 | 2 | 0.8 | 0.2 | 15 | 15.215 | 14.785 | 15.35 | 14.65 |
(M27×2) | 6 | 2 | 0.8 | 0.2 | 17 | — | — | 17.35 | 16.65 |
M30×2 | 6 | 2 | 0.8 | 0.2 | 18.7 | — | — | 19.12 | 18.28 |
(M33×2) | 6 | 2 | 0.8 | 0.2 | 21 | — | — | 21.42 | 20.58 |
M36×3 | 9 | 3 | 0.8 | 0.2 | 22.5 | — | — | 22.92 | 22.08 |
(M39×3) | 9 | 3 | 1.0 | 0.3 | 25 | — | — | 25.42 | 24.58 |
M42×3 | 9 | 3 | 1.0 | 0.3 | 26 | — | — | 26.42 | 25.58 |
(M45×3) | 9 | 3 | 1.0 | 0.3 | 28 | — | — | 28.42 | 27.58 |
M48×3 | 9 | 3 | 1.0 | 0.3 | 30 | — | — | 30.42 | 29.58 |
(M52×4) | 12 | 4 | 1.0 | 0.3 | 33 | — | — | 33.5 | 32.5 |
M56×4 | 12 | 4 | 1.0 | 0.3 | 35 | — | — | 35.5 | 34.5 |
(M60×4) | 12 | 4 | 1.0 | 0.3 | 38 | — | — | 38.5 | 37.5 |
M64×4 | 12 | 4 | 1.0 | 0.3 | 40 | — | — | 40.5 | 39.5 |
螺纹规格 d×P | dw min | e min | r min | s | l的范围 | ||||
公称=max | min | ||||||||
A级 | B级 | A级 | B级 | A级 | B级 | ||||
M8×1 | 11.63 | 11.47 | 14.38 | 14.20 | 0.4 | 13.00 | 12.73 | 12.57 | 16~80 |
M10×1 | 14.63 | 14.47 | 17.77 | 17.59 | 0.4 | 16.00 | 15.73 | 15.57 | 20~100 |
(M10×1.25) | 14.63 | 14.47 | 17.77 | 17.95 | 0.4 | 16.00 | 15.73 | 15.57 | 20~100 |
(M12×1.25) | 16.63 | 16.47 | 20.03 | 19.85 | 0.6 | 18.00 | 17.73 | 17.57 | 25~120 |
M12×1.5 | 16.63 | 16.47 | 20.03 | 19.85 | 0.6 | 18.00 | 17.73 | 17.57 | 25~120 |
(M14×1.5) | 19.64 | 19.15 | 23.36 | 22.78 | 0.6 | 21.00 | 20.67 | 20.16 | 30~140 |
M16×1.5 | 22.49 | 22 | 26.75 | 26.17 | 0.6 | 24.00 | 23.67 | 23.16 | 35~160 |
(M18×1.5) | 25.34 | 24.85 | 30.14 | 29.56 | 0.6 | 27.00 | 26.67 | 26.16 | 35~180 |
M20×1.5 | 28.19 | 27.7 | 33.53 | 32.95 | 0.8 | 30.00 | 29.67 | 29.16 | 40~200 |
(M20×2) | 28.19 | 27.7 | 33.53 | 32.95 | 0.8 | 30.00 | 29.67 | 29.16 | 40~200 |
(M22×1.5) | 31.71 | 31.35 | 37.72 | 37.29 | 0.8 | 34.00 | 33.38 | 33.00 | 45~220 |
M24×2 | 33.61 | 33.25 | 39.98 | 39.55 | 0.8 | 36.00 | 35.38 | 35.00 | 40~200 |
(M27×2) | — | 38 | — | 45.2 | 1 | 41 | — | 40 | 55~260 |
M30×2 | — | 42.75 | — | 50.85 | 1 | 46 | — | 45 | 40~200 |
(M33×2) | — | 46.55 | — | 55.37 | 1 | 50 | — | 49 | 65~360 |
M36×3 | — | 51.11 | — | 60.79 | 1 | 55.0 | — | 53.8 | 40~200 |
(M39×3) | — | 55.86 | — | 66.44 | 1 | 60.0 | — | 58.8 | 80~380 |
M42×3 | — | 59.95 | — | 71.3 | 1.2 | 65.0 | — | 63.1 | 80~420 |
(M45×3) | — | 64.7 | — | 76.95 | 1.2 | 70.0 | — | 68.1 | 90~440 |
M48×3 | — | 69.45 | — | 82.6 | 1.6 | 75.0 | — | 73.1 | 100~480 |
(M52×4) | — | 74.2 | — | 88.25 | 1.6 | 80.0 | — | 78.1 | 100~500 |
M56×4 | — | 78.66 | — | 93.56 | 2 | 85.0 | — | 82.8 | 120~500 |
(M60×4) | — | 83.41 | — | 99.21 | 2 | 90.0 | — | 87.8 | 120~500 |
M64×4 | — | 88.16 | — | 104.86 | 2 | 95.0 | — | 92.8 | 130~500 |
技术条件 | 材料 | 螺纹公差 | 机械性能等级 | 公差产品等级 | 表面处理 | ||||
钢 | 6g | d≤39mm:5.6、8.8、10.9 d>39mm:按协议 | d≤24mm和l≤10d或l≤150mm(按较小值):A d>24mm或l>10d或l>150mm(按较小值):B | 氧化 | |||||
不锈钢 | d≤24mm:A2-70、A4-70 24mm<d≤39mm:A2-50、A4-50 d>39mm:按协议 | 简单处理 | |||||||
有色金属 | CU2、CU3、AL4 | 简单处理 | |||||||
注:1.带括号的规格为非优选的螺纹规格。 2.A级用于d=8~24mm和l≤10d或l≤150mm(按较小值);B级用于d>24mm或l>10d或l>150mm(按较小值)的螺栓。 3.螺纹末端应倒角(GB/T 2)。 | |||||||||
公称长度l的商品规格系列: mm | ||||||||||||||
公称 | 16 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 80 | |
A级 | min | 15.65 | 19.58 | 24.58 | 29.58 | 34.5 | 39.5 | 44.5 | 49.5 | 54.4 | 59.4 | 64.4 | 69.4 | 79.4 |
max | 16.35 | 20.42 | 25.42 | 30.42 | 35.5 | 40.5 | 45.5 | 50.5 | 55.6 | 60.6 | 65.6 | 70.6 | 80.6 | |
B级 | min | — | — | — | — | — | 38.75 | 43.75 | 48.75 | 53.5 | 58.5 | 63.5 | 68.5 | 78.5 |
max | — | — | — | — | — | 41.25 | 46.25 | 51.25 | 56.5 | 61.5 | 66.5 | 71.5 | 81.5 | |
公称 | 90 | 100 | 110 | 120 | 130 | 140 | 150 | 160 | 180 | 200 | 220 | 240 | 260 | |
A级 | min | 89.3 | 99.3 | 109.3 | 119.3 | 129.2 | 139.2 | 149.2 | — | — | — | — | — | — |
max | 90.7 | 100.7 | 110.7 | 120.7 | 130.8 | 140.8 | 150.8 | — | — | — | — | — | — | |
B级 | min | 88.25 | 98.25 | 108.25 | 118.25 | 128 | 138 | 148 | 158 | 178 | 197.7 | 217.7 | 237.7 | 257.4 |
max | 91.75 | 101.75 | 111.75 | 121.75 | 132 | 142 | 152 | 162 | 182 | 202.3 | 222.3 | 242.3 | 262.6 | |
公称 | 280 | 300 | 320 | 340 | 360 | 380 | 400 | 420 | 440 | 460 | 480 | 500 | | |
A级 | min | — | — | — | — | — | — | — | — | — | — | — | — | |
max | — | — | — | — | — | — | — | — | — | — | — | — | ||
B级 | min | 277.4 | 297.4 | 317.15 | 337.15 | 357.15 | 377.15 | 397.15 | 416.85 | 436.85 | 456.85 | 476.85 | 496.85 | |
max | 282.6 | 302.6 | 322.85 | 342.85 | 362.85 | 382.85 | 402.85 | 423.15 | 443.15 | 463.15 | 483.15 | 503.15 | ||
质量 kg | ||||||||||||
优选的螺纹规格 | ||||||||||||
螺纹规格 | M8×1 | M10×1 | M12×1.5 | M16×1.5 | M20×1.5 | M24×2 | M30×2 | M36×3 | M42×3 | M48×3 | M56×4 | M64×4 |
公称长度 /mm | 每1000件钢制品的质量 ≈ | |||||||||||
16 | 10.80 | | | | | | | | | | | |
20 | 12.11 | 20.91 | | | | | | | | | | |
25 | 13.75 | 23.57 | 33.79 | | | | | | | | | |
30 | 15.39 | 26.23 | 37.49 | | | | | | | | | |
35 | 17.03 | 28.89 | 41.18 | 84.64 | | | | | | | | |
40 | 18.67 | 31.55 | 44.88 | 91.54 | 160.1 | 248.2 | 448.2 | 707.7 | | | | |
45 | 20.30 | 34.21 | 48.58 | 98.43 | 171.2 | 263.9 | 473.4 | 743.2 | | | | |
50 | 21.94 | 36.88 | 52.28 | 105.3 | 182.3 | 279.7 | 498.6 | 778.8 | | | | |
55 | 23.58 | 39.54 | 55.98 | 112.2 | 193.3 | 295.5 | 523.9 | 814.3 | | | | |
60 | 25.22 | 42.20 | 59.68 | 119.1 | 204.4 | 311.2 | 549.1 | 849.8 | | | | |
65 | 26.86 | 44.86 | 63.38 | 126.0 | 215.5 | 327.0 | 574.4 | 885.3 | | | | |
70 | 28.50 | 47.52 | 67.07 | 132.9 | 226.6 | 342.8 | 599.6 | 920.9 | | | | |
80 | 31.78 | 52.84 | 74.47 | 146.7 | 248.7 | 374.3 | 650.1 | 991.9 | | | | |
90 | | 58.16 | 81.87 | 160.5 | 270.9 | 405.8 | 700.6 | 1063 | 1558 | | | |
100 | | 63.49 | 89.27 | 174.3 | 293.0 | 437.4 | 751.1 | 1134 | 1657 | 2344 | | |
110 | | | 96.66 | 188.0 | 315.2 | 468.9 | 801.6 | 1205 | 1755 | 2474 | | |
120 | | | 104.1 | 201.8 | 337.3 | 500.4 | 852.0 | 1276 | 1854 | 2604 | 3661 | |
130 | | | | 215.6 | 359.5 | 532.0 | 902.5 | 1347 | 1952 | 2734 | 3836 | 5250 |
140 | | | | 229.4 | 381.6 | 563.5 | 953.0 | 1418 | 2050 | 2864 | 4011 | 5482 |
150 | | | | 243.2 | 403.8 | 595.0 | 1004 | 1489 | 2149 | 2995 | 4186 | 5713 |
160 | | | | 257.0 | 425.9 | 626.6 | 1054 | 1560 | 2247 | 3125 | 4361 | 5945 |
180 | | | | | 470.2 | 689.6 | 1155 | 1702 | 2444 | 3385 | 4711 | 6408 |
200 | | | | | 514.5 | 752.7 | 1256 | 1845 | 2641 | 3645 | 5061 | 6871 |
220 | | | | | | | | | 2838 | 3906 | 5411 | 7334 |
240 | | | | | | | | | 3034 | 4166 | 5761 | 7797 |
260 | | | | | | | | | 3231 | 4426 | 6111 | 8260 |
280 | | | | | | | | | 3428 | 4686 | 6461 | 8723 |
300 | | | | | | | | | 3625 | 4947 | 6811 | 9186 |
320 | | | | | | | | | 3821 | 5207 | 7161 | 9649 |
340 | | | | | | | | | 4018 | 5467 | 7511 | 10112 |
360 | | | | | | | | | 4215 | 5728 | 7861 | 10575 |
380 | | | | | | | | | 4412 | 5988 | 8211 | 11308 |
400 | | | | | | | | | 4609 | 6248 | 8561 | 11501 |
420 | | | | | | | | | 4805 | 6509 | 8911 | 11964 |
440 | | | | | | | | | | 6769 | 9261 | 12427 |
460 | | | | | | | | | | 7029 | 9611 | 12890 |
480 | | | | | | | | | | 7289 | 9961 | 13353 |
500 | | | | | | | | | | | 10311 | 13816 |
非优选的螺纹规格 | ||||||||||||
螺纹规格 | M10×1.25 | M12×1.25 | M14×1.5 | M18×1.5 | M20×2 | M22×1.5 | M27×2 | M33×2 | M39×3 | M45×3 | M52×4 | M60×4 |
公称长度 /mm | 每1000件钢制品的质量 ≈ | |||||||||||
20 | 20.53 | | | | | | | | | | | |
25 | 23.10 | 34.36 | | | | | | | | | | |
30 | 25.67 | 38.17 | 55.46 | | | | | | | | | |
35 | 28.24 | 41.99 | 60.63 | 115.2 | | | | | | | | |
40 | 30.80 | 45.80 | 65.81 | 124.0 | 157.0 | | | | | | | |
45 | 33.37 | 49.61 | 70.98 | 132.9 | 167.7 | 223.2 | | | | | | |
50 | 35.94 | 53.42 | 76.15 | 141.8 | 178.4 | 236.7 | | | | | | |
55 | 38.51 | 57.24 | 81.32 | 150.6 | 189.0 | 250.3 | 399.3 | | | | | |
60 | 41.07 | 61.05 | 86.50 | 159.5 | 199.7 | 263.8 | 419.6 | | | | | |
65 | 43.64 | 64.86 | 91.67 | 168.3 | 210.4 | 277.3 | 439.8 | 728.5 | | | | |
70 | 46.21 | 68.68 | 96.84 | 177.2 | 221.1 | 290.9 | 460.0 | 759.3 | | | | |
80 | 51.34 | 76.30 | 107.2 | 194.9 | 242.5 | 318.0 | 500.5 | 820.9 | 1235 | | | |
90 | 56.48 | 83.93 | 117.5 | 212.6 | 263.8 | 345.0 | 540.9 | 882.5 | 1319 | 1868 | | |
100 | 61.61 | 91.55 | 127.9 | 230.4 | 285.2 | 372.1 | 581.4 | 944.2 | 1404 | 1982 | 2847 | |
110 | | 99.18 | 138.2 | 248.1 | 306.6 | 399.2 | 621.8 | 1006 | 1488 | 2095 | 3001 | |
120 | | 106.8 | 148.6 | 265.8 | 327.9 | 426.2 | 662.3 | 1067 | 1572 | 2209 | 3155 | 4333 |
130 | | | 158.9 | 283.5 | 349.3 | 453.3 | 702.7 | 1129 | 1656 | 2323 | 3308 | 4535 |
140 | | | 169.3 | 301.3 | 370.7 | 480.4 | 743.2 | 1191 | 1740 | 2436 | 3462 | 4737 |
150 | | | | 319.0 | 392.1 | 507.5 | 783.6 | 1252 | 1824 | 2550 | 3616 | 4939 |
160 | | | | 336.7 | 413.4 | 534.5 | 824.1 | 1314 | 1908 | 2664 | 3770 | 5142 |
180 | | | | 372.1 | 456.2 | 588.7 | 905.0 | 1437 | 2077 | 2891 | 4077 | 5546 |
200 | | | | | 498.9 | 642.8 | 985.9 | 1560 | 2245 | 3119 | 4385 | 5951 |
220 | | | | | | 697.0 | 1067 | 1684 | 2413 | 3346 | 4693 | 6355 |
240 | | | | | | | 1148 | 1807 | 2582 | 3574 | 5000 | 6760 |
260 | | | | | | | 1229 | 1930 | 2750 | 3801 | 5308 | 7164 |
280 | | | | | | | | 2053 | 2918 | 4029 | 5615 | 7569 |
300 | | | | | | | | 2177 | 3087 | 4256 | 5923 | 7974 |
320 | | | | | | | | 2300 | 3255 | 4483 | 6231 | 8378 |
340 | | | | | | | | 2423 | 3423 | 4711 | 6538 | 8783 |
360 | | | | | | | | 2546 | 3592 | 4938 | 6846 | 9187 |
380 | | | | | | | | | 3760 | 5166 | 7153 | 9592 |
400 | | | | | | | | | | 5393 | 7461 | 9996 |
420 | | | | | | | | | | 5621 | 7769 | 10401 |
440 | | | | | | | | | | 5848 | 8076 | 10805 |
460 | | | | | | | | | | | 8384 | 11210 |
480 | | | | | | | | | | | 8691 | 11615 |
500 | | | | | | | | | | | 8999 | 12019 |

