Roschen Group Ltd

API DTH Drill Pipe For Mining And Stone Quarrying

Brief introduction:

3 1/2" API DTH Drill Pipe For Mining And Stone Quarrying

DTH drill tubes are used for connecting DTH hammer and DTH button bits; they are made from seamless tubes. 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.

Now we have 3 1/2" api dth drill pipe for mining and stone quarrying for sale, you are lucky to have this chance to buy bulk 3 1/2" api dth drill pipe for mining and stone quarrying for metal at competitive price from us.

3 1/2" API DTH Drill Pipe for mining and stone quarrying

Product Information:  

1. Type: Drill Pipe

2. Material: 42CrMo7

3. Brand Name: ROSCHEN  
4. Use: Welling Drilling

5. Thread type: 3 1/2" REG

6. Machine Type: Drilling Tool

7. Certification: ISO9001 , API

8. Processing Type: Forging

9. Packing Details: bundles, thread protectors on pin and box

10: Delivery time: Within 15days after the payment.

Product Description:

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. 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

Key Features:

1. DTH Drill pipe is made of qualified material tested by spectroscope, impact and strain test.

2. With completely digitized preparing line bought from Italy, with indispensable heat treatment system, the API thread goes under nitrogen treatment on surface, making it easy to handle.

3. Metal-lography detection, hardness test, magna-flux investigation, ultrasonic imperfection identification, tension test and effect test guarantee the quality of goods.

4. The keys make a high quality. DTH pipe are of strength, exactness.

Advantages:

1. Applicable hard, extreme hard and medium soft rock configurations.

2. Reliable quality, long life, few abnormal breakage during operation.

3. Good flushing impact to guarantee high boring rate.

4. Strict quality guarantee and compensation rules.  

FAQ

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.