DTH hammer bits Down The Hole Drilling DHD340A DHD350R High Pressure

DTH hammer bits Down The Hole Drilling DHD340A DHD350R High Pressure
 

3" DTH hammer bits (90mm - 105mm), shanks : DHD 3.5, COP 34, COP 32, Mission 30, BR 3, Mach 303,

4" DTH hammer bits (105mm- 130mm), shanks: DHD 340/COP 44, COP 42, QL 40, SD 4, Mission 40, XL 4, Mach 44,

5" DTH hammer bits (130mm- 152mm), shanks: DHD 350/COP 54, COP 52, QL 50, SD 5, Mission 50, XL 5,  

6" DTH hammer bits (152mm- 171mm), shanks: DHD 360/ COP 64, COP 62, QL 60, SD 6, Mission 60, XL 6,

8" DTH hammer bits (200mm- 305mm), shanks: DHD380, QL 80, SD 8, Mission 80, COP 84;

Features:

1. For DTH Bits, Various low pressure and high pressure DTH bits are available.

2. Low pressure DTH Bits diameter ranges from 66mm to 205mm, are used to equip with our JQ series.
3. Low pressure hammers. Other low pressure DTH bits are available too upon customer's shank drawing or samples.  

4. High pressure DTH Bits diameter ranges from 76mm to 305mm

Specifications:

DHD340A, DHD350R, DHD360, DHD380;    

Cop32, Cop34, Cop44, Cop54, Cop64, Cop84;  

Mission 40, Mission 50, Mission 60, Mission80;  

SD4, SD5, SD6, SD8;

QL40, QL50, QL60, QL80;

BR2, BR3. ….

DTH Button Bits Specifications:
 

DTH Hammer Specifications:

Details Description:

Rock Drilling Products:

Roschen have wide experience and series of high quality products as follows:

1. Button bits, connection tapered or threaded, diameter from 33mm to 127mm;

2. Cross bits, connection tapered or threaded, diameter from 28mm to 95mm;

3. Coupling sleeves, R25, R32, R38, T38, T45, T51;

4. Down the hole hammers, similar or equal DHD, COP, SD and BR etc. series hammers;

5. Down the hole bits, similar or equal DHD, COP, SD and BR etc. series bits;

Applications:

Roschen down-the-hole (DTH) hammer is a new type of valveless hammer driven by compressed air. It is the ideal rock drilling tool with advantages of large impact energy, high penetration rate, long service life, good efficiency of drilling cuttings removal, easy operation, and reliable working performance.

They are suitable to use in:
 

1. Drilling blasting holes, drainage and ventilating holes, center holes of raising boring, deep blasting holes in traditional drilling and blasting method of raising, pipe holes and other deep holes in all of various strength rocks in open pit and underground mining.

2. Drilling holes in road cutting and other stone constructions (e. g. ports and hydroelectric station constructions, etc.).

3. Drilling water wells, exploratory boreholes and injected holes.

This hammer can work with dry dust collection and also with wet dust removal using mixture of air and water.

The specific DTH hammers as follow:

TS series----for deep hole and super deep hole drilling

TG series----for drying drilling

TH series----for wet drilling

All our Hammers can be easily adapted to accept different types of bit shanks as COP, BR, DHD, SD, XL QL, MACH, Halco and Mission by simply changing a few basic components. Several models are available in Heavy-Duty format to suit particularly arduous and abrasive drilling conditions.

FAQ
Terms & Conditions of Ordering:
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damage during transportation. Also we can customize package according to your special requests.

Production time:
Generally need 15-25 days

Transportation:
By air, By Express or By sea according to your requests.

1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight

2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment

3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.

4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.

5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time

6. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009
C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with a refund.

For more information, please contact:
ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

Website: http://www.roschen.com ; http://www.roschen.net

http://www.roschen.cn ; http://www.roschendrill.com

http://www.roschenmining.com ; http://www.roschendrilling.com