QB/T 1220-1991 PDF English
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Basic data
| Standard ID | QB/T 1220-1991 (QB/T1220-1991) |
| Description (Translated English) | (Bicycle metric threads and gauges) |
| Sector / Industry | Light Industry Standard (Recommended) |
| Classification of Chinese Standard | Y14 |
| Word Count Estimation | 21,294 |
| Date of Issue | 9/10/1991 |
| Date of Implementation | 4/1/1992 |
| Summary | This standard specifies the basic metric thread tooth type bicycle on a variety of finished parts, basic dimensions, tolerances and fundamental deviations, and provides bicycle Metric thread gauge its manufacturing dimensions. This standard applies to bicycle use metric threads; and applies to tests specified in this standard metric threads with dimensions and tolerances of thread gauge. |