Rating Table
Grade | Diameter tolerance range | Roundness tolerance range | ||
|
Metric(mm) | British System | Metric(mm) | British System |
G0 | +0.0127 | +0.0005 | 0.00635 | 0.00025 |
GI | +0.0254 | +0.0010 | 0.0127 | 0.0005 |
GII | +0.0508 | +0.0020 | 0.0254 | 0.0010 |
GIII | +0.127 | +0.0050 | 0.1270 | 0.0050 |
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Color:Black Model Number:BJBA1810002 Brand Name:ZBBJ Place of Origin:Shandong China (Mainland) Hollow ball, 100mm of HDPE UV ball. Stantard specification: 20g with 1.4mm wall thickness. 40g with 0.7mm wall thickness. ...