Changsha Tianhe Drilling Tools And Machinery Co., Ltd.

They are widely applied to all kinds of rock boring hole drilling and excellent in projects for casing system

TS**0TS**5TS**0, these three specifications can meet to the needs of drilling holes from **3mm to **0mm in dia

CP*2, QL*0, XL3, COP*4, M**0, DHD3.5 ***** Penetration 2.Durability 3.Long Life 4.High Air Pressure *****

TG3.5, TG4, TG5, TG6, TG8. These five specifications can drill holes from *0mm to **4mm. They can be also matc

The Tianhe DTH drill bits are made from hard alloy and special steel, which have high strength, high wear resi

The each bit of Tianhe is made from quality alloy steel, and has been precision machined to produce a perfect

The TG series is specially designed for blasting and applied to open-pit, underground, metal and non-metal min

The series DTH(DOWN-THE HOLE) hammer is a new type valveless hammer driven by compres ***** is the ideal rock

There are *1 specifications: TH*8, TH*9, TH*5, TH*8, TH**2, TH**9, TH**0, TH**0, TH**5, TH**8 and TH**0. They

The Tianhe DTH drill bits are made from hard alloy and special steel, which have high strength, high wear resi