G30  Paving breakerApplying  1,Used for truncating coal bed and breaking soft ore into pieces in mineral industry.2,Used for destroying solid or frozen stratum in civil engineering,Website:http://www.nbydtools.com, underground construction and people protection construction, etc.3,Used for breaking old road surface in municipal construction and destroying the former concrete base during the course of equipment installation in industrial and mineral enterprise.4,pneumatic hammer  the front have pick brazing, broken coal seam in impact way roadway of pneumatic tools, concrete, pavement and trim. In mining is used to cut and break soft mineral surface. Used for mining in open-pit mine of clay and soft rock; In civil engineering and the subway construction destruction or freeze solid and hole formation, perforation, trenching. technical data:Overall length:600mmWeight:23kgImpact frequency:≥20HzImpact energy:≥78JAir consumption:≤32L/SHose size:Φ19mmAir pressure:0.5-0.63MpaSpecification of drill shank:Φ30×87It is used our pressure:0.63Mpa