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■Non-sparking Tools
■Beryllium Copper
■Die Forged
■Q/ZBF-312
■It is a cutting tools used to create cylindrical holes.
| Number | Φ mm | L mm | Be-Cu g |
| 312-1002 | 6 | 100 | 20 |
| 312-1004 | 7 | 120 | 30 |
| 312-1006 | 8 | 140 | 50 |
| 312-1008 | 9 | 160 | 75 |
| 312-1010 | 10 | 180 | 100 |
| 312-1012 | 11 | 200 | 120 |
| 312-1014 | 12 | 220 | 170 |
| 312-1016 | 13 | 240 | 220 |
| 312-1018 | 14 | 260 | 280 |
| 312-1020 | 15 | 280 | 360 |
| 312-1022 | 16 | 300 | 440 |
| 312-1024 | 17 | 300 | 500 |
| 312-1026 | 18 | 320 | 600 |
| 312-1028 | 19 | 320 | 700 |
| 312-1030 | 20 | 330 | 800 |
