
YT23D Air‑Leg Rock Drill – Pneumatic Jack Hammer for Quarry Blasting
YT23D air-leg rock drill is a 24 kg pneumatic jack hammer for 34-42 mm holes in medium-hard rock. Runs at 0.35-0.63 MPa (best 0.45-0.55), >=28 Hz, <=38 L/s, 70x70 mm cylinder/stroke, 22x108 mm shank, 19 mm hose. Typical depth ~5 m. FYzooA lubricator (200 ml) for simple, reliable daily service.
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