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    DTH HAMMER

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    DHD360 DTH HAMMER_小尺寸.jpg
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    5”DTH HAMMER

    DTH hammer model:DHD350 COP54 QL50 SD5 Without foot valve

    Application:Water well,Quarry blasting hole drilling,anchor drilling

    Work pressure:17-24bar



    Advantages of Teamwhole DTH hammer and bits


    Reliability

    Piston uses the special (imported) high nickel alloy steel, with advanced heat treatment as military industry standard.Strengthening processing on hammer surface for higher wear-resistance


    Suitability

    Specially designed drill bits for medium-soft and hard rock formations.

    Easily disassembly thread for easy maintenance.


    Efficiency

    Extrashort structure design hammer and bit for great efficiency of high impactenergy transmission, with high impact power and fast drilling rate Efficiency Hammer and bit design are optimized by computer simulation, with best air distribution chamber and air tightness design


    Outstanding advantages

    High drilling speed

    low air consumption

    Long service life



    ModelThread connectionQuter diameter(mm)Rec.hole size(mm)Shank styleBit with foot valveLength without bit(mm)Weight without bit(kg)Working pressure(bar)
    5" 
    TH55API3 1/2"reg pin  126 138-165 DHD350 with 1214 85 14-24 
    TSK5H126 138-165 without  1070 85 16-24 


    TSK3.5-DHD3.5.jpg

    TSK5H-DHD350.jpg



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    Copyright ? 2010 CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO.,LTD.

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