1型六角螺母 细牙(GB/T 6171—2016) mm | |||||||||||
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1) β=15°~30° ; 2) 垫圈面型,应在订单中注明 ; 3) θ=90°~120° | |||||||||||
A级用于D≤16mm;B级用于D>16mm的螺母。 | |||||||||||
标记示例: 螺纹规格D=M16×1.5、细牙螺纹、性能等级为8级、表面镀锌钝化、产品等级为A级的1型六角螺母的标记: 螺母 GB/T 6171 M16×1.5 | |||||||||||
螺纹规格 D×P | c | da | dw min | e min | m | mw min | s | ||||
max | min | max | min | max | min | 公称=max | min | ||||
M8×1 | 0.60 | 0.15 | 8.75 | 8.00 | 11.63 | 14.38 | 6.80 | 6.44 | 5.15 | 13.00 | 12.73 |
M10×1 | 0.60 | 0.15 | 10.8 | 10.0 | 14.63 | 17.77 | 8.40 | 8.04 | 6.43 | 16.00 | 15.73 |
(M10×1.25) | 0.60 | 0.15 | 10.8 | 10.0 | 14.63 | 17.77 | 8.40 | 8.04 | 6.43 | 16.00 | 15.73 |
(M12×1.25) | 0.60 | 0.15 | 13 | 12 | 16.63 | 20.03 | 10.80 | 10.37 | 8.3 | 18.00 | 17.73 |
M12×1.5 | 0.60 | 0.15 | 13 | 12 | 16.63 | 20.03 | 10.80 | 10.37 | 8.3 | 18.00 | 17.73 |
(M14×1.5) | 0.60 | 0.15 | 15.1 | 14.0 | 19.64 | 23.36 | 12.8 | 12.1 | 9.68 | 21.00 | 20.67 |
M16×1.5 | 0.8 | 0.2 | 17.3 | 16.0 | 22.49 | 26.75 | 14.8 | 14.1 | 11.28 | 24.00 | 23.67 |
(M18×1.5) | 0.8 | 0.2 | 19.5 | 18.0 | 24.85 | 29.56 | 15.8 | 15.1 | 12.08 | 27.00 | 26.16 |
M20×1.5 | 0.8 | 0.2 | 21.6 | 20.0 | 27.7 | 32.95 | 18.0 | 16.9 | 13.52 | 30.00 | 29.16 |
(M20×2) | 0.8 | 0.2 | 21.6 | 20.0 | 27.7 | 32.95 | 18.0 | 16.9 | 13.52 | 30.00 | 29.16 |
(M22×1.5) | 0.8 | 0.2 | 23.7 | 22.0 | 31.35 | 37.29 | 19.4 | 18.1 | 14.48 | 34 | 33 |
M24×2 | 0.8 | 0.2 | 25.9 | 24.0 | 33.25 | 39.55 | 21.5 | 20.2 | 16.16 | 36 | 35 |
(M27×2) | 0.8 | 0.2 | 29.1 | 27.0 | 38 | 45.2 | 23.8 | 22.5 | 18 | 41 | 40 |
M30×2 | 0.8 | 0.2 | 32.4 | 30.0 | 42.75 | 50.85 | 25.6 | 24.3 | 19.44 | 46 | 45 |
(M33×2) | 0.8 | 0.2 | 35.6 | 33.0 | 46.55 | 55.37 | 28.7 | 27.4 | 21.92 | 50 | 49 |
M36×3 | 0.8 | 0.2 | 38.9 | 36.0 | 51.11 | 60.79 | 31.0 | 29.4 | 23.52 | 55.0 | 53.8 |
(M39×3) | 1.0 | 0.3 | 42.1 | 39.0 | 55.86 | 66.44 | 33.4 | 31.8 | 25.44 | 60.0 | 58.8 |
M42×3 | 1.0 | 0.3 | 45.4 | 42.0 | 59.95 | 71.3 | 34.0 | 32.4 | 25.92 | 65.0 | 63.1 |
(M45×3) | 1.0 | 0.3 | 48.6 | 45.0 | 64.7 | 76.95 | 36.0 | 34.4 | 27.52 | 70.0 | 68.1 |
M48×3 | 1.0 | 0.3 | 51.8 | 48.0 | 69.45 | 82.6 | 38.0 | 36.4 | 29.12 | 75.0 | 73.1 |
(M52×4) | 1.0 | 0.3 | 56.2 | 52.0 | 74.2 | 88.25 | 42.0 | 40.4 | 32.32 | 80.0 | 78.1 |
M56×4 | 1.0 | 0.3 | 60.5 | 56.0 | 78.66 | 93.56 | 45.0 | 43.4 | 34.72 | 85.0 | 82.8 |
(M60×4) | 1.0 | 0.3 | 64.8 | 60.0 | 83.41 | 99.21 | 48.0 | 46.4 | 37.12 | 90.0 | 87.8 |
M64×4 | 1.0 | 0.3 | 69.1 | 64.0 | 88.16 | 104.86 | 51.0 | 49.1 | 39.28 | 95.0 | 92.8 |
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 | 6H | D≤M39:6、8 D≤M16:10 D>M39:按协议 | D≤16mm:A级 D>16mm:B级 | 不经处理 | |||||||
不锈钢 | D≤M24:A2-70、A4-70 M24<D≤M39:A2-50、A4-50 D>M39:按协议 | 简单处理 | |||||||||
有色金属 | CU2、CU3、AL4 | 简单处理 | |||||||||
注:带括号的规格为非优选的螺纹规格。 | |||||||||||
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 |
每1000件钢制品的质量≈ | 4.65 | 8.61 | 13.44 | 31.82 | 55.84 | 96.92 |
螺纹规格 | M30×2 | M36×3 | M42×3 | M48×3 | M56×4 | M64×4 |
每1000件钢制品的质量≈ | 197.0 | 343.8 | 519.4 | 790.3 | 1174 | 1611 |
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 |
每1000件钢制品的质量≈ | 8.76 | 13.21 | 21.01 | 40.29 | 57.11 | 79.00 |
螺纹规格 | M27×2 | M33×2 | M39×3 | M45×3 | M52×4 | M60×4 |
每1000件钢制品的质量≈ | 142.8 | 258.5 | 446.6 | 645.5 | 996.4 | 1386 |

