G30  Pneumatic hammerapplying:   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,Ningbo yongdun pneumatic tools, pneumatic tools, pneumatic picks are widely used in quarrying, mining, water conservancy, transportation, construction, military industry, geological exploration, metallurgical casting, municipal engineering, municipal construction and other industries. Especially suitable for explosion-proof requirements, such as coal, mining and chemical field, welcome to inquire.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