表2圆锌饼的直径、厚度及其允许偏差mm直径D厚度日
允许偏差
公称尺寸|允许偏差公称尺寸
高精度|普通精度
+0.05+0.1831.908：8|3.00～4.80 |±0.10十0.18一0.10
R20|31.50|a.05 |3.20~5.00|±0.10
+0.18一0.10一0.1030.90|+0.05|3.20～5.00|+0.10 +0.18一0.10一0.1024.40|.+0.053.00～4.60|士0.10
+0.18一0.10一0.10
R1424.10|±8-05 |3.00～4.60|±0.10
+0.18一0.10一0.1019.20|+o.0os
3.30~4.10|±0.10
+0.18一0.10一0.10
R1019.00|+0.05
+0.183.30~4.10|士0.10一0.10一0.1013.20| +0.05|5.00～6.00 |+0.10|+0.18一0.10一0.1012.90|+0.055.00~6.00|±0.10
+0.18一0.10-0.10
R1|10.60|+0.05
+0.18一0.10一0.10+0.059.606.50~6.80|±0.10
+0.18一0.10一0.10+0.059.30
：8|6.50～6.80|±0.10|
+0.18一0.104.3.2六角锌饼的尺寸及其允许偏差应符合表3的规定。
