DTH Bits DHD COP SD QL MISSION NUMA Down The Hole Hammering For Longer Life Drilling

Bits for any rock condition

Whatever conditions you're dealing with, our drill bits make the job easier. They are fitted with our proprietary cemented carbide buttons, which are designed to drill further. The drill bit bodies are made from precision hardened nickel molybdenum steel, with a compound curve shape for faster and smoother cutting and easier removal of cuttings.
 

Our well-proven button bit designs are trusted by customers around the world. The bits in the new range have an optimized head length with maximized steel support for the cemented carbide buttons, deep face grooves for excellent flushing and an aggressive cutting structure.

DTH Hammers & Bits
 

ROSCHEN offers a comprehensive range of WORLD CLASS quality grade DTH bits in global market, which were use in all rock types and drilling conditions. Bit life and rate of penetration are the most important criteria in selecting the right bit for a particular application.
 

DTH bits are available in sizes from 2" to 36". Bits come in three different standard bit head/face designs (Convex, Flat Face, and Concave), and with a number of tungsten carbide insert options, to guarantee a DTH drill bit that can tackle any challenge and rock-face formation. Additional bit head designs and custom options are available depending upon manufacturer.

Explore the subcategories below, view our online catalogs, or contact your ROSCHEN representative to learn more about our complete DTH Bit product offering.
 

Shank can be available:

1) Diameter 64mm-70mm shank Bulroc BR1

2) Diameter 70mm-95mm shank Halco MACH20, Bulroc BR2

3) Diameter 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3

4) Diameter 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4

5) Diameter 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5

6) Diameter 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6

7) Diameter 203mm-330mm shank COP84, DHD380, SD8, QL80

8) Diameter 254mm-380mm shank SD10, Numa100

9) Diameter 305mm-508mm shank DHD1120, SD12, N120, N125

10) Diameter 405mm-864mm shank SD15, SD18

11) VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...

We can also provide related products DTH hammers, ODEX system, symmetric systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc.

Feature:

1. Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 MPa to 260 MPa compressive strength). Featuring spherical tungsten carbide inserts that is known to have strong configuration against carbide fracture.

2. Recommended for eliminating hole deviation

3. Widely used drifting and tunneling

4. Bit face design is ideal for medium-hard to hard abrasive rock

Shank can be available:

1. R25/R32 button bits: From 41mm to 115mm
2. T38/R38 button bits: From 57mm to 89mm
3. T45 button bits: From 70mm to 105mm
4. T51 button bits: From 89mm to 127mm
5. ST58 button bits: From 89mm to 127mm
6. GT60 button bits: From 102mm to 152mm
7. EL68 button bits: From 115mm to 152mm
8. ST68 button bits: From 115mm to 152mm
9. Buttons shape: Domed, spherical, parabolic (semi-ballistic), ballistic
10. Face shape: Flat face, drop center, uni-face;
11. Skirt type: Normal, retract, straight retract face

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

http://www.roschengroup.com