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Unit : mm size d D t basic tolerance basic tolerance basic tolerance 12 13 +0.70 26 0-0.8 3.2 ±0.4 16 17 32 0-1 4.5 ±0.5 20 21 +0.80 40 22 23 44 6 ±0.7 24 25 48 27 28 56 0-1.2 30 31 +1.00 60 8 Unit : inch size d D t max min 1/25/83/4 0.5310.6880.812 1.0621.3121.469 0.1770.1770.177 0.0970.1220.122 7/811-1/8 0.9381.1251.250 1.7502.0002.250 0.1770.1770.177 0.1360.1360.136 1-1/41-3/81-1/2 1.3751.5001.625 2.5002.7503.000 0.1770.1770.177 0.1360.1360.136
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