Drills
REINFORCED DRILL WITH NON-RETURN VALVE
Made of hardened steel its non-return valve opens during drilling and closes when the drill is pulled up from the hole bottom. Application: very soft and inconsistent soils that tend not to settle within the drill.
| DIAMETER Ø |
LENGTH |—| |
| 3 inches | 500mm |
| 4 inches | |
| 6 inches | |
| 8 inches | |
| 10 inches | |
| 12 inches |
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