DHD Button Bits

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Last update: 2017-08-17 08:57
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DHD Button Bits  

What is our Down The Hole (DTH) Drilling Tools?

Down The Hole (DTH) Drilling Tools A wide range of products, including DTH Bits, DTH Hammer, DTH Drill Tube, ODEX & RC Drill Tools, Down The Hole (DTH) Drilling Spare Parts, Diamond Grinding Cups/Pins for Button Bits Sharpening. Down-the-hole rock tools (drilling tools) are rock drilling equipment which takes compressed air as power source to partially transfer impact power into drilling holes. An air distributing device in a top hammer controls a piston to move back and forth. An impact device arranged in the front of the top hammer transfers the impact powder to a down-the-hole bit to crush rocks. Our product range covers the most diverse applications in mining, natural resources exploration, water wells, quarries and civil works.


Why buy our down the hole (DTH) drilling bit?

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of hammer.

4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder

of hammer.

5. Interchangeable with DTH bit and dill pipe manufactured by Atlas copco and Ingersoll-rand.

6. Our DTH drill bits are made from quality tungsten carbide steels and machined precisely to manufacture a perfect body. And then the buttons are heat-treated to the right hardness and each bit is finally fitted with required shape and sized buttons.


Our DTH ( Down The Hole) bits can be used for:

DTH ( Down The Hole) bits are widely used for open-pit mining, quarry, hydropower engineering, well drilling and excavation side column support, etc. We can supply DTH bits from 85mm to 305mm. The main products are:Similar or equal DHD, COP and SD series hammers, our DTH bits range from 85mm, 90mm, 95mm, 100mm, 105mm, 110mm, 115mm 120mm, 127mm, 133mm, 140mm, 146mm, 152mm, 165mm, 175mm, 190mm, 203mm, 216mm 254mm, 305mm, etc.

Roschen offers a full range of reverse circulation hammers with integrated bits designed to offer a cost effective, heavy-duty sampling system for obtaining a continuous, high quality geological sample. By maximizing the energy output and minimizing air consumption, Sandvik's products can assist in providing you with excellent production rates resulting in low cost per meter drilling.

Contact your Roschen representative today.

Roschen range of high quality Reverse Circulation RC drill bits were specifically designed to work with our RC Hammers. Because of our drill bit sealing mechanism, sample contamination problems are not an issue.

Using our unique 12 spline shank design, these RC Bits provide outstanding performance and reliability.


Features:

1. Using higher grade carbides for longer life;

2. Minimizes hole erosion in fragile formations

3. Drills faster through soft formations with less blockages

4. Drills straighter through consolidated and unconsolidated formations

ROSCHEN DTH bits Specifications

Hammer  Size

Bits diameter

Shank

ROSCHEN CODE

Metric

Inch

1"

64mm-70mm

2 1/2"-2 3/4"

BR1

ROS 11

2"

70mm-95mm

2 3/4"-3 3/4"

MACH20/BR2

ROS 22

3"

90mm-102mm

3 1/2"-4"

COP32/COP34/MACH303

ROS 32

M30/DHD3.5/BR3

ROS 34

4"

105mm-152mm

4 1/8"-6"

COP44/DHD340/MACH44

ROS 42

SD4/M40/QL40

ROS 44

5"

133mm-165mm

5 1/4"-6 1/2"

COP54/DHD350R/MACH50

ROS 52

SD5/M50/QL50/BR5

ROS 54

6"

152mm-254mm

4 1/8"-10"

COP64/DHD360/SD6

ROS 62

M60/QL60/Bulroc BR6

ROS 64

8"

203mm-330mm

8"-13"

COP84/DHD380/SD8

ROS 82

QL80/M80

ROS 84

10"

254mm-380mm

10"-15"

SD10

ROS 100

NUMA100

12"

305mm-508mm

12"-20"

DHD1120/SD12

ROS 120

NUMA120/NUMA125

Notes: Metzke, Remet thread is available!


ROSCHEN DTH Hammers Specifications

Hammer Size

Bit Shank

ROSCHEN Code

Connection Thread

Suitable bit

Working pressure

Air consumption

2"

BR2

ROS 11                 ROS 22

RD50 box

¢70-¢90mm

0.7-1.75Mpa

0.7Mpa

4.5m3/min

1.0Mpa

4m3/min

1.4Mpa

5m3/min

3"

DHD3.5

ROS 32

API 2 3/8" Reg

¢90-¢110mm

1.0-1.5Mpa

1.0Mpa

4.5m3/min

COP32/COP34

M30

1.5Mpa

9m3/min

4"

DHD340

ROS 34

API 2 3/8" Reg

¢110-¢135mm

1.0-2.5Mpa

1.0Mpa

6m3/min

COP44

QL40

SD4

1.8Mpa

10m3/min

M40

2.4Mpa

15m3/min

5"

DHD350

ROS 52               ROS 54

API 2 3/8"Reg/API 3 1/2" Reg

¢135-¢155mm

1.0-2.5Mpa

1.0Mpa

9m3/min

COP54

QL50

SD5

1.8Mpa

15m3/min

M50

2.4Mpa

23m3/min

6"

DHD360

ROS 62              ROS 64

API 3 1/2" Reg

¢155-¢190mm

1.0-2.5Mpa

1.0Mpa

10m3/min

COP64

QL60

SD6

1.8Mpa

20m3/min

M60

2.4Mpa

28.5m3/min

8"

DHD380

ROS 82              ROS 84

API 4 1/2" Reg

¢195-¢254mm

1.0-2.5Mpa

1.0Mpa

15m3/min

COP84

QL80

1.8Mpa

26m3/min

SD8

2.4Mpa

34m3/min

10"

SD10

ROS 100

API 6 5/8" Reg

¢254-¢311mm

1.0-2.5Mpa

1.0Mpa

22m3/min

Numa100

1.8Mpa

40m3/min

ROS 100

2.4Mpa

55m3/min

12"

DHD1120

ROS 120

API 6 5/8" Reg

¢305-¢445mm

1.0-2.5Mpa

1.0Mpa

30m3/min

SD12

1.8Mpa

56m3/min

Numa120

2.4Mpa

78m3/min

Notes: Metzke, Remet thread is available!


 



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