螺距 P/mm | 基本偏差/μm | |||||||||
内螺紋 | 外螺紋 | |||||||||
G EI | H EI | a es | b es | c es | d es | e es | f es | g es | h es | |
0.2 | +17 | 0 | / | / | / | / | / | / | -17 | 0 |
0.25 | +18 | 0 | / | / | / | / | / | / | -18 | 0 |
0.3 | +18 | 0 | / | / | / | / | / | / | -18 | 0 |
0.35 | +19 | 0 | / | / | / | / | / | -34 | -19 | 0 |
0.4 | +19 | 0 | / | / | / | / | / | -34 | -19 | 0 |
0.45 | +20 | 0 | / | / | / | / | / | -35 | -20 | 0 |
0.5 | +20 | 0 | / | / | / | / | -50 | -36 | -20 | 0 |
0.6 | +21 | 0 | / | / | / | / | -53 | -36 | -21 | 0 |
0.7 | +22 | 0 | / | / | / | / | -56 | -38 | -22 | 0 |
0.75 | +22 | 0 | / | / | / | / | -56 | -38 | -22 | 0 |
0.8 | +24 | 0 | / | / | / | / | -60 | -38 | -24 | 0 |
1 | +26 | 0 | -290 | -200 | -130 | -85 | -60 | -40 | -26 | 0 |
1.25 | +28 | 0 | -295 | -205 | -135 | -90 | -63 | -42 | -28 | 0 |
1.5 | +32 | 0 | -300 | -212 | -140 | -95 | -67 | -45 | -32 | 0 |
1.75 | +34 | 0 | -310 | -220 | -145 | -100 | -71 | -48 | -34 | 0 |
2 | +38 | 0 | -315 | -225 | -150 | -105 | -71 | -52 | -38 | 0 |
2.5 | +42 | 0 | -325 | -235 | -160 | -110 | -80 | -58 | -42 | 0 |
3 | +48 | 0 | -335 | -245 | -170 | -115 | -85 | -63 | -48 | 0 |
3.5 | +53 | 0 | -345 | -255 | -180 | -125 | -90 | -70 | -53 | 0 |
4 | +60 | 0 | -355 | -265 | -190 | -130 | -95 | -75 | -60 | 0 |
4.5 | +63 | 0 | -365 | -280 | -200 | -135 | -100 | -80 | -63 | 0 |
5 | +71 | 0 | -375 | -290 | -212 | -140 | -106 | -85 | -71 | 0 |
5.5 | +75 | 0 | -385 | -300 | -224 | -150 | -112 | -90 | -75 | 0 |
6 | +80 | 0 | -395 | -310 | -236 | -155 | -118 | -95 | -80 | 0 |
8 | +100 | 0 | -425 | -340 | -265 | -180 | -140 | -118 | -100 | 0 |
表2 内螺紋小徑公差(TD1)
單位:微米 | |||||
螺距 P/mm | 公差等級 | ||||
4 | 5 | 6 | 7 | 8 | |
0.2 | 38 | / | / | / | / |
0.25 | 45 | 56 | / | / | / |
0.3 | 53 | 67 | 85 | / | / |
0.35 | 63 | 80 | 100 | / | / |
0.4 | 71 | 90 | 112 | / | / |
0.45 | 80 | 100 | 125 | / | / |
0.5 | 90 | 112 | 140 | 180 | / |
0.6 | 100 | 125 | 160 | 200 | / |
0.7 | 112 | 140 | 180 | 224 | / |
0.75 | 118 | 150 | 190 | 236 | / |
0.8 | 125 | 160 | 200 | 250 | 315 |
1 | 150 | 190 | 236 | 300 | 375 |
1.25 | 170 | 212 | 265 | 335 | 425 |
1.5 | 190 | 236 | 300 | 375 | 475 |
1.75 | 212 | 265 | 335 | 425 | 530 |
2 | 236 | 300 | 375 | 475 | 600 |
2.5 | 280 | 355 | 450 | 560 | 710 |
3 | 315 | 400 | 500 | 630 | 800 |
3.5 | 355 | 450 | 560 | 710 | 900 |
4 | 375 | 475 | 600 | 750 | 950 |
4.5 | 425 | 530 | 670 | 850 | 1060 |
5 | 450 | 560 | 710 | 900 | 1120 |
5.5 | 475 | 600 | 750 | 950 | 1180 |
6 | 500 | 630 | 800 | 1000 | 1250 |
8 | 630 | 800 | 1000 | 1250 | 1600 |
表3 外螺紋大徑公差(Td)
單位:微米 | |||
螺距 P/mm | 公差等級 | ||
4 | 6 | 8 | |
0.2 | 36 | 56 | / |
0.25 | 42 | 67 | / |
0.3 | 48 | 75 | / |
0.35 | 53 | 85 | / |
0.4 | 60 | 95 | / |
0.45 | 63 | 100 | / |
0.5 | 67 | 106 | / |
0.6 | 80 | 125 | / |
0.7 | 90 | 140 | / |
0.75 | 90 | 140 | / |
0.8 | 95 | 150 | 236 |
1 | 112 | 180 | 280 |
1.25 | 132 | 212 | 335 |
1.5 | 150 | 236 | 375 |
1.75 | 170 | 265 | 425 |
2 | 180 | 280 | 450 |
2.5 | 212 | 335 | 530 |
3 | 236 | 375 | 600 |
3.5 | 265 | 425 | 670 |
4 | 300 | 475 | 750 |
4.5 | 315 | 500 | 800 |
5 | 335 | 530 | 850 |
5.5 | 355 | 560 | 900 |
6 | 375 | 600 | 950 |
8 | 450 | 710 | 1180 |
表4 内螺紋中徑公差(TD2)
單位:微米 | |||||||
基本大徑 D/mm | 螺距 P/mm | 公差等級 | |||||
> | ≤ | 4 | 5 | 6 | 7 | 8 | |
0.99 | 1.4 | 0.2 | 40 | / | / | / | / |
0.25 | 45 | 56 | / | / | / | ||
0.3 | 48 | 60 | 75 | / | / | ||
1.4 | 2.8 | 0.2 | 42 | / | / | / | / |
0.25 | 48 | 60 | / | / | / | ||
0.35 | 53 | 67 | 85 | / | / | ||
0.4 | 56 | 71 | 90 | / | / | ||
0.45 | 60 | 75 | 95 | / | / | ||
2.8 | 5.6 | 0.35 | 56 | 71 | 90 | / | / |
0.5 | 63 | 80 | 100 | 125 | / | ||
0.6 | 71 | 90 | 112 | 140 | / | ||
0.7 | 75 | 95 | 118 | 150 | / | ||
0.75 | 75 | 95 | 118 | 150 | / | ||
0.8 | 80 | 100 | 125 | 160 | 200 | ||
5.6 | 11.2 | 0.75 | 85 | 106 | 132 | 170 | / |
1 | 95 | 118 | 150 | 190 | 236 | ||
1.25 | 100 | 125 | 160 | 200 | 250 | ||
1.5 | 112 | 140 | 180 | 224 | 280 | ||
11.2 | 22.4 | 1 | 100 | 125 | 160 | 200 | 250 |
1.25 | 112 | 140 | 180 | 224 | 280 | ||
1.5 | 118 | 150 | 190 | 236 | 300 | ||
1.75 | 125 | 160 | 200 | 250 | 315 | ||
2 | 132 | 170 | 212 | 265 | 335 | ||
2.5 | 140 | 180 | 224 | 280 | 355 | ||
22.4 | 45 | 1 | 106 | 132 | 170 | 212 | / |
1.5 | 125 | 160 | 200 | 250 | 315 | ||
2 | 140 | 180 | 224 | 280 | 355 | ||
3 | 170 | 212 | 265 | 335 | 425 | ||
3.5 | 180 | 224 | 280 | 355 | 450 | ||
4 | 190 | 236 | 300 | 375 | 475 | ||
4.5 | 200 | 250 | 315 | 400 | 500 | ||
45 | 90 | 1.5 | 132 | 170 | 212 | 265 | 335 |
2 | 150 | 190 | 236 | 300 | 375 | ||
3 | 180 | 224 | 280 | 355 | 450 | ||
4 | 200 | 250 | 315 | 400 | 500 | ||
5 | 212 | 265 | 335 | 425 | 530 | ||
5.5 | 224 | 280 | 355 | 450 | 560 | ||
6 | 236 | 300 | 375 | 475 | 600 | ||
90 | 180 | 2 | 160 | 200 | 250 | 315 | 400 |
3 | 190 | 236 | 300 | 375 | 475 | ||
4 | 212 | 265 | 335 | 425 | 530 | ||
6 | 250 | 315 | 400 | 500 | 630 | ||
8 | 280 | 355 | 450 | 560 | 710 | ||
180 | 355 | 3 | 212 | 265 | 335 | 425 | 530 |
4 | 236 | 300 | 375 | 475 | 600 | ||
6 | 265 | 335 | 425 | 530 | 670 | ||
8 | 300 | 375 | 475 | 600 | 750 |
表5 外螺紋中徑公差(Td2)
單位:微米 | |||||||||
基本大徑 d/mm | 螺距 P/mm | 公差等級 | |||||||
> | ≤ | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
0.99 | 1.4 | 0.2 | 24 | 30 | 38 | 48 | / | / | / |
0.25 | 26 | 34 | 42 | 53 | / | / | / | ||
0.3 | 28 | 36 | 45 | 56 | / | / | / | ||
1.4 | 2.8 | 0.2 | 25 | 32 | 40 | 50 | / | / | / |
0.25 | 28 | 36 | 45 | 56 | / | / | / | ||
0.35 | 32 | 40 | 50 | 63 | 80 | / | / | ||
0.4 | 34 | 42 | 53 | 67 | 85 | / | / | ||
0.45 | 36 | 45 | 56 | 71 | 90 | / | / | ||
2.8 | 5.6 | 0.35 | 34 | 42 | 53 | 67 | 85 | / | / |
0.5 | 38 | 48 | 60 | 75 | 95 | / | / | ||
0.6 | 42 | 53 | 67 | 85 | 106 | / | / | ||
0.7 | 45 | 56 | 71 | 90 | 112 | / | / | ||
0.75 | 45 | 56 | 71 | 90 | 112 | / | / | ||
0.8 | 48 | 60 | 75 | 95 | 118 | 150 | 190 | ||
5.6 | 11.2 | 0.75 | 50 | 63 | 80 | 100 | 125 | / | / |
1 | 56 | 71 | 90 | 112 | 140 | 180 | 224 | ||
1.25 | 60 | 75 | 95 | 118 | 150 | 190 | 236 | ||
1.5 | 67 | 85 | 106 | 132 | 170 | 212 | 265 | ||
11.2 | 22.4 | 1 | 60 | 75 | 95 | 118 | 150 | 190 | 236 |
1.25 | 67 | 85 | 106 | 132 | 170 | 212 | 265 | ||
1.5 | 71 | 90 | 112 | 140 | 180 | 224 | 280 | ||
1.75 | 75 | 95 | 118 | 150 | 190 | 236 | 300 | ||
2 | 80 | 100 | 125 | 160 | 200 | 250 | 315 | ||
2.5 | 85 | 106 | 132 | 170 | 212 | 265 | 335 | ||
22.4 | 45 | 1 | 63 | 80 | 100 | 125 | 160 | 200 | 250 |
1.5 | 75 | 95 | 118 | 150 | 190 | 236 | 300 | ||
2 | 85 | 106 | 132 | 170 | 212 | 265 | 335 | ||
3 | 100 | 125 | 160 | 200 | 250 | 315 | 400 | ||
3.5 | 106 | 132 | 170 | 212 | 265 | 335 | 425 | ||
4 | 112 | 140 | 180 | 224 | 280 | 355 | 450 | ||
4.5 | 118 | 150 | 190 | 236 | 300 | 375 | 475 | ||
45 | 90 | 1.5 | 80 | 100 | 125 | 160 | 200 | 250 | 315 |
2 | 90 | 112 | 140 | 180 | 224 | 280 | 355 | ||
3 | 106 | 132 | 170 | 212 | 265 | 335 | 425 | ||
4 | 118 | 150 | 190 | 236 | 300 | 375 | 475 | ||
5 | 125 | 160 | 200 | 250 | 315 | 400 | 500 | ||
5.5 | 132 | 170 | 212 | 265 | 335 | 425 | 530 | ||
6 | 140 | 180 | 224 | 280 | 355 | 450 | 560 | ||
90 | 180 | 2 | 95 | 118 | 150 | 190 | 236 | 300 | 375 |
3 | 112 | 140 | 180 | 224 | 280 | 355 | 450 | ||
4 | 125 | 160 | 200 | 250 | 315 | 400 | 500 | ||
6 | 150 | 190 | 236 | 300 | 375 | 475 | 600 | ||
8 | 170 | 212 | 265 | 335 | 425 | 530 | 670 | ||
180 | 355 | 3 | 125 | 160 | 200 | 250 | 315 | 400 | 500 |
4 | 140 | 180 | 224 | 280 | 355 | 450 | 560 | ||
6 | 160 | 200 | 250 | 315 | 400 | 500 | 630 | ||
8 | 180 | 224 | 280 | 355 | 450 | 560 | 710 |
表6 螺紋旋合長度
單位:微米 | ||||||
基本大徑 D、d | 螺距 P | 旋合長度 | ||||
S | N | L | ||||
> | ≤ | ≤ | > | ≤ | > | |
0.99 | 1.4 | 0.2 | 0.5 | 0.5 | 1.4 | 1.4 |
0.25 | 0.6 | 0.6 | 1.7 | 1.7 | ||
0.3 | 0.7 | 0.7 | 2 | 2 | ||
1.4 | 2.8 | 0.2 | 0.5 | 0.5 | 1.5 | 1.5 |
0.25 | 0.6 | 0.6 | 1.9 | 1.9 | ||
0.35 | 0.8 | 0.8 | 2.6 | 2.6 | ||
0.4 | 1 | 1 | 3 | 3 | ||
0.45 | 1.3 | 1.3 | 3.8 | 3.8 | ||
2.8 | 5.6 | 0.35 | 1 | 1 | 3 | 3 |
0.5 | 1.5 | 1.5 | 4.5 | 4.5 | ||
0.6 | 1.7 | 1.7 | 5 | 5 | ||
0.7 | 2 | 2 | 6 | 6 | ||
0.75 | 2.2 | 2.2 | 6.7 | 6.7 | ||
0.8 | 2.5 | 2.5 | 7.5 | 7.5 | ||
5.6 | 11.2 | 0.75 | 2.4 | 2.4 | 7.1 | 7.1 |
1 | 3 | 3 | 9 | 9 | ||
1.25 | 4 | 4 | 12 | 12 | ||
1.5 | 5 | 5 | 15 | 15 | ||
11.2 | 22.4 | 1 | 3.8 | 3.8 | 11 | 11 |
1.25 | 4.5 | 4.5 | 13 | 13 | ||
1.5 | 5.6 | 5.6 | 16 | 16 | ||
1.75 | 6 | 6 | 18 | 18 | ||
2 | 8 | 8 | 24 | 24 | ||
2.5 | 10 | 10 | 30 | 30 | ||
22.4 | 45 | 1 | 4 | 4 | 12 | 12 |
1.5 | 6.3 | 6.3 | 19 | 19 | ||
2 | 8.5 | 8.5 | 25 | 25 | ||
3 | 12 | 12 | 36 | 36 | ||
3.5 | 15 | 15 | 45 | 45 | ||
4 | 18 | 18 | 53 | 53 | ||
4.5 | 21 | 21 | 63 | 63 | ||
45 | 90 | 1.5 | 7.5 | 7.5 | 22 | 22 |
2 | 9.5 | 9.5 | 28 | 28 | ||
3 | 15 | 15 | 45 | 45 | ||
4 | 19 | 19 | 56 | 56 | ||
5 | 24 | 24 | 71 | 71 | ||
5.5 | 28 | 28 | 85 | 85 | ||
6 | 32 | 32 | 95 | 95 | ||
90 | 180 | 2 | 12 | 12 | 36 | 36 |
3 | 18 | 18 | 53 | 53 | ||
4 | 24 | 24 | 71 | 71 | ||
6 | 36 | 36 | 106 | 106 | ||
8 | 45 | 45 | 132 | 132 | ||
180 | 355 | 3 | 20 | 20 | 60 | 60 |
4 | 26 | 26 | 80 | 80 | ||
6 | 40 | 40 | 118 | 118 | ||
8 | 50 | 50 | 150 | 150 |
表7 内螺紋推薦公差帶
公差精度 | 公差帶位置 G | 公差帶位置 H | ||||
S | N | L | S | N | L | |
精密 | / | / | / | 4H | 5H | 6H |
中等 | (5G) | 6G | (7G) | 5H | 6H | 7H |
粗糙 | / | (7G) | (8G) | / | 7H | 8H |
表8 外螺紋推薦公差帶
公差精度 | 公差帶位置 e | 公差帶位置 f | 公差帶位置 g | 公差帶位置 h | ||||||||
S | N | L | S | N | L | S | N | L | S | N | L | |
精密 | / | / | / | / | / | / | / | (4g) | (5g4g) | (3h4h) | 4h | (5h4h) |
中等 | / | 6e | (7e6e) | / | 6f | / | (5g6g) | 6g | (7g6g) | (5h6h) | 6h | (7h6h) |
粗糙 | / | (8e) | (9e8e) | / | / | / | / | 8g | (9g8g) | / | / | / |
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