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YT-28 Air-leg rock drill
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YT-28 Air-leg rock drill

Cylinder bore：80mm Piston stoke：60mm Impact energy：≥70(0.63Mpa)J Working pressure：0.63Mpa Applied range:It is suitable for rock drilling operations in large mines, medium mines and tunnels.
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YT-29 Air-leg rock drill

Cylinder bore：80mm Piston stoke：60mm Impact energy：≥70(0.63Mpa)J Impact frequency of drilling：≥37(0.63Mpa)Hz Applied range:It is suitable for rock drilling operations in large mines, medium mines and tunnels.
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YT24 Pneumatic rock drill
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YT24 Pneumatic rock drill

Impact frequency：≥31 Hz Piston stoke：70mm Working pressure：0.63Mpa Bit head size：R22×108 Applied range:It is suitable for rock drilling operations in large mines, medium mines and tunnels.
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