2.7紧固件公差中采用的孔的公差带(GB/T 1800.4—1999)
紧固件公差中采用的孔的公差带GB1800.4—1999
紧固件公差中采用的孔的公差带见表1.1-12。
表1.1-12紧固件公差中采用的孔的公差带
续表1.1-12:
基本尺寸/mm | 孔的公差带/mm | |||||
E11 | E12 | H14 | H15 | Js9 | K9 | |
≤3 | +0.074 | +0.100 | +0.25 | +0.40 | ±0.125 | 0 |
+0.014 | +0.014 | 0 | 0 | -0.025 | ||
>3〜6 | +0.095 | +0.140 | +0.30 | +0.48 | ±0.015 | 0 |
+0.020 | +0.020 | 0 | 0 | -0.030 | ||
>6〜10 | +0.115 | +0.175 | +0.36 | +0.58 | ±0.018 | 0 |
+0.025 | +0.025 | 0 | 0 | -0.036 | ||
>10〜18 | +0.142 | +0.212 | +0.43 | +0.70 | ||
+0.032 | +0.032 | 0 | 0 | |||
>18〜30 | +0.52 | +0.84 | ||||
0 | 0 | |||||
>30〜50 | +0.62 | +1.00 | ||||
0 | 0 | |||||
>50〜80 | +0.74 | +1.20 | ||||
0 | 0 | |||||
>80〜120 | +0.87 | +1.40 | ||||
0 | 0 | |||||
>120〜180 | +1.00 | +1.60 | ||||
0 | 0 | |||||
>180〜250 | +1.15 | +1.85 | ||||
0 | 0 | |||||
>250〜315 | +1.30 | +2.10 | ||||
0 | 0 | |||||
>315〜400 | +1.40 | +2.30 | ||||
0 | 0 | |||||
>400〜500 | +1.55 | +2.50 | ||||
0 | 0 |