Teamwhole take pride in being the only manufacturers in China that have a diverse line of DTH bit that range from 3" to 47"(76mm-1200mm) in diameter with most the leading hammer shanks.
Made from high quality alloy steel and advanced heat-treatment,Teamwhole bits are ensureed extreme protection against wear and fatigue.They're also available in four different bit head face designs,include Flat,Concave,Convex and Drop Center.And two different carbide shapes,spherical and ballistic to tackle any challenge and rock formations.
For water well,depep hole well,oil and gas open hole drilling
For foundation and piling drilling
Face design and carbide button shape
All kinds of rock formation，especially homogenous formation
Very hard and abrasive rock formation
Soft-medium hard rock formation
Carbides buttons shape
Main Model--Examples for TH18 bit(Drop center spherical)
Other design of face and inserts are available
|DTH bit shank||Bit Dia.(mm)||Qty*Button Dia.(mm)||Qty of air holes||Weight/kg|
Copyright © 2010 CHANGSHA TIANHE DRILLING TOOLS AND MACHINERY CO.,LTD.