Type:YT27 Instructon: The rock drill is a kind of high efficiency air leg rock drill machinery.It is mainly used for blasting holes and other drilling works in a quarries,railway construction,water conservancy construction and defence projest facility. When it is matched with Model FY250 Oil reservoir and Model FT160A or FT160B Air-leg,it can perform wet drilling under various rocks at any direction angles. Specification: Weight:27kg  Outside dimension(L¡ÁW¡ÁH):668¡Á248¡Á202mm Cylinder dia:80mm Piston stroke:60mm I***ct energy:¡Ý75.5J I***ct frequency:¡Ý36.7Hz  Air consumption:¡Ü83.3L/S Air pipe inner dia:25mm Water pipe inner dia:13mm Air pressure:0.63*** Water pressure:0.3*** Bore dia:34-45mm Bore depth:5m Shank dimension(hex¡Áleng):22¡Á108¡À1mm¡Ámm
  Model FY250B oil lubircator Weight:1.2kg  Oil capacity:0.25L            Air leg                   FT160A              FT160B Wenght                   17kg                 16kg  Length:max               3006mm              2526mm       Min               1668mm              1428mm Propulsion stroke           1338mm              1098mm Axis thrust(max)            2000N               2000N
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