API DTH Drill Pipe Manufacturer

Product Details

API DTH Drill Pipe Manufacturer

Drill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel tube with a pin at one end and a box on the other. The job of the drill pipe is to transmit rotational torque and thrust from the drill rig rotary head to down hole drilling tools.

DTH drill tubes are used for connecting DTH hammer and DTH button bits; they are made from seamless tubes. Tubes play a significant role in all DTH drilling, regardless of application, rock type, hole depth or drill rig. The key features of a high quality DTH tube are durability, accuracy and manageability. According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice avers. Usually we are offering 50mm, 60mm, 76mm, 89mm, etc. ALL DTH drill tubes are friction welded, and usually the threads are standard API connections,like23/8" API REG thread, 3 1/2" API REG thread or API IF thread, etc.

According to customers request, from 1000mm to 5000mm length of tubes are available.

Product features:

According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice avers. Usually we are offering 50mm, 60mm, 76mm, 89mm, etc.


Compared with the oversea brands, our advantages are bellowing:

A. Our products can match over 95% against the original products

B. Price are competitive against the famous brands and best quality against the small factory

About Us:

1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.

2. We have advanced technology and equipment.

3. Our technician has more than 13 year's professional working experience.

4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.

DTH Drill Pipe Specifications
Outer diameter Thread Wall thickness Length
mm inch mm mm
76 3 API 2 3/8 REG
API 2 7/8 REG
API 3 1/2 REG
API 4 1/2 REG
API 2 3/8 IF
API 2 7/8" IF
API 3 1/2" IF
API 4 1/2" IF
API 5 1/2" IF
BECO 3 1/2"
6.3 1000-4000mm
89 3 1/2 6.3 1000-4000mm
102 4 6.3 1500-4000mm
114 4 1/2 7.5 1500-4500mm
127 5 8 1500-5000mm
133 5 1/4 8 1000-4000mm
140 5 1/2 14 3000-9000mm
152 6 8 ~ 20 1000-10000mm

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.


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

Production time:

Generally need 10-15 days


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


How to order?

Please send us your inquiry with detail item description or with Model number.

If there is no packing demand we take it as our regular exported standard packing.

We will offer you an order form for filling. We will recommend you the most suitable model according to information you offered.

You send us your detail requirement, we provide quotation to you.

Can I expect a quality products?

All the production and processing are strictly according to ISO 9001:2008 and API standard. At the same time, mature production technology ensuring the quality satisfy international request. We also welcome the third party inspection, such as BV, SGS and TUV.

The information you may like to know before Payment:

1. Methods of Payment:

T/T (Telegraphic Transfer) or L/C at sight

2. 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.

3. Quality Control

We have our own experienced QC.

There will be strict inspection and testing for every order before shipping out.

ROSCHEN GROUP is professional in manufacturing and supplying quality api dth drill pipe manufacturer as one of the leading manufacturers and suppliers in China. We now bring you high quality api dth drill pipe manufacturer for sale, competitive in its excellent performance and high precision. Please rest assured to buy.