|
孔EF和F的极限偏差(GB/T 1800.4—1999) mm |
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|
基本尺寸/mm |
EF |
F |
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|
大于 |
至 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
— |
3 |
+12 +10 |
+13 +10 |
+14 +10 |
+16 +10 |
+20 +10 |
+24 +10 |
+35 +10 |
+50 +10 |
+8 +6 |
+9 +6 |
+10 + 6 |
+12 + 6 |
+16 + 6 |
+20 + 6 |
+31 + 6 |
+46 + 6 |
|
3 |
6 |
+16.5 + 14 |
+18 +14 |
+19 +14 |
+22 +14 |
+26 +14 |
+32 +14 |
+44 +14 |
+62 +14 |
+12.5 +10 |
+14 +10 |
+15 +10 |
+18 +10 |
+22 +10 |
+28 +10 |
+40 +10 |
+58 +10 |
|
6 |
10 |
+20.5 + 18 |
+22 +18 |
+24 +18 |
+27 +18 |
+33 +18 |
+40 +18 |
+54 +18 |
+76 +18 |
+15.5 +13 |
+17 +13 |
+19 +13 |
+22 +13 |
+28 +13 |
+35 +13 |
+49 +13 |
+71 +13 |
|
10 |
18 |
|
|
|
|
|
|
|
|
+19 +16 |
+21 +16 |
+24 +16 |
+27 +16 |
+34 +16 |
+43 +16 |
+59 +16 |
+86 +16 |
|
18 |
30 |
|
|
|
|
|
|
|
|
+24 +20 |
+26 +20 |
+29 +20 |
+33 +20 |
+41 +20 |
+53 +20 |
+72 +20 |
+104 + 20 |
|
30 |
50 |
|
|
|
|
|
|
|
|
+29 +25 |
+32 +25 |
+36 +25 |
+41 +25 |
+50 +25 |
+64 +25 |
+87 +25 |
+125 + 25 |
|
50 |
80 |
|
|
|
|
|
|
|
|
|
|
+43 +30 |
+49 +30 |
+60 +30 |
+76 +30 |
+104 + 30 |
|
|
80 |
120 |
|
|
|
|
|
|
|
|
|
|
+51 +36 |
+58 +36 |
+71 +36 |
+90 +36 |
+123 + 36 |
|
|
120 |
180 |
|
|
|
|
|
|
|
|
|
|
+61 +43 |
+68 +43 |
+83 +43 |
+106 + 43 |
+143 + 43 |
|
|
180 |
250 |
|
|
|
|
|
|
|
|
|
|
+70 +50 |
+79 +50 |
+96 +50 |
+122 + 50 |
+165 + 50 |
|
|
250 |
315 |
|
|
|
|
|
|
|
|
|
|
+79 +56 |
+88 +56 |
+108 + 56 |
+137 + 56 |
+186 + 56 |
|
|
315 |
400 |
|
|
|
|
|
|
|
|
|
|
+87 +62 |
+98 +62 |
+119 + 62 |
+151 + 62 |
+202 + 62 |
|
|
400 |
500 |
|
|
|
|
|
|
|
|
|
|
+95 +68 |
+108 + 68 |
+131 + 68 |
+165 + 68 |
+223 + 68 |
|
|
500 |
630 |
|
|
|
|
|
|
|
|
|
|
|
+120 + 76 |
+146 + 76 |
+186 + 76 |
+251 +76 |
|
|
630 |
800 |
|
|
|
|
|
|
|
|
|
|
|
+130 + 80 |
+160 + 80 |
+205 + 80 |
+280 +80 |
|
|
800 |
1000 |
|
|
|
|
|
|
|
|
|
|
|
+142 + 86 |
+176 + 86 |
+226 + 86 |
+316 +86 |
|
|
1000 |
1250 |
|
|
|
|
|
|
|
|
|
|
|
+164 + 98 |
+203 + 98 |
+263 + 98 |
+358 +98 |
|
|
1250 |
1600 |
|
|
|
|
|
|
|
|
|
|
|
+188 +110 |
+235 +110 |
+305 +110 |
+420 +110 |
|
|
1600 |
2000 |
|
|
|
|
|
|
|
|
|
|
|
+212 +120 |
+270 +120 |
+350 +120 |
+490 +120 |
|
|
2000 |
2500 |
|
|
|
|
|
|
|
|
|
|
|
+240 +130 |
+305 +130 |
+410 +130 |
+570 +130 |
|
|
2500 |
3150 |
|
|
|
|
|
|
|
|
|
|
|
+280 +145 |
+355 +145 |
+475 +145 |
+685 +145 |
|
|
注：各级的 EF 主要用于精密机械和钟表制造业。 |
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