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| Chinese National Standard Category: Cutters |
| English Title: | Long Straight Shank Twist Drill (D=2~13) |
| Chinese Title: | 直柄长麻花钻(d=2~13) |
| Standard No.: | QJ 438-1978 |
| Category No.: | V91 |
| Issued by: | |
| Issued on: | 1980-01-01 |
| Implemented on: | 1980-1-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 3000 words |
| Similar Standards: |
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