SJ 2820-1987 PDF English
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Basic data
| Standard ID | SJ 2820-1987 (SJ2820-1987) |
| Description (Translated English) | Cross recesses for screws |
| Sector / Industry | Electronics Industry Standard |
| Classification of Chinese Standard | L93 |
| Word Count Estimation | 3,330 |
| Date of Issue | 11/10/1987 |
| Date of Implementation | 5/1/1988 |
| Regulation (derived from) | Industry-Science (2010) No. 77 |
| Summary | This standard specifies the screws, self-tapping measurement type, size and cross-slot screws Phillips head screw products slots. |
