Advantages of Teamwhole DTH hammer and bits
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
Specially designed drill bits for medium-soft and hard rock formations.
Easily disassembly thread for easy maintenance.
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
High drilling speed
low air consumption
Long service life
|Model||Thread connection||Quter diameter(mm)||Rec.hole size(mm)||Shank style||Bit with foot valve||Length without bit(mm)||Weight without bit(kg)||Working pressure(bar)|
|TH55||API3 1/2"reg pin||126||138-165||DHD350||with||1214||85||14-24|
Copyright © 2010 CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO.,LTD.