Dual Wall Drill Rod for Drilling Down The Hole Hammer Atlas Copco Reverse Circulation Hammer

Dual Wall Drill Down The Hole Hammer Reverse Circulation Carbon Steel

Down The Hole Hammer characteristics:

1.Based on previous experience of ordinary hammer,combined with feature of reverse circulation hammer,optimized internal structure and ideal energy transfer,thus ensuring the series of hammers drilling with fast,smooth and continuous sampling.

2.The internal structure is very simple with components of high rigidity,thus ensuring long life and maintenance of the hammer.

3.The collection tube adopts an integrative design and can be replaced without disassembling the hammer with catburizing treatment,it has good abrasive resistance.

4.Equipment with bits designed with patent. Simple by replacing the drill bit,the same hammer can drill holes different sizes ensuring that the sample is not contaminated.

5.In difficult conditions such as loose soil,hard rock and plenty of water exist,sampling can be done well.

Down The Hole Hammer Application fields:

All kinds of fields, such as mining, quarry, tunnel, bridge, construction and etc., but extremely excellent to use with casing tubes during casing drilling.

Reverse Circulation RC Hammer Details

DTH Bit

DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm

3.High air pressure hole Dia.:85-305mm

4.Face type:drop center/concave/convex/double gauge/flat

5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.