2 3/8"/2-7/8"/3-1/2"/4 1/2" DTH Drill Pipe , drill Rod with Wrench Flat

Drill pipes that are used in applications such as DTH/ DTHR/ DR basically comprise of a steel pipe 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.

According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice versa. Usually we are offering 50mm, 60mm, 76mm, 89mm, 95mm, 102mm, 114mm, 127mm, 140mm, 159mm.

Usually the threads are standard API connections, like 2 3/8" API REG thread, 3 1/2" API REG thread or API IF thread, etc. According to customers request, from 1000mm to 6000mm length of pipe are available.

Specification :

1.Reliable working performance

2.Outside Size:60mm,76mm,89mm,114mm,140mm

3.Thread:API Reg

4.Wall Thickness: 5.5/6.5mm/7.5/8.5mm/10mm

Normal Specifications:

Q1: Can I have a sample for testing?

A:Samples are still to be paid but discounted price can be provided.

Q2: Do you have the inspection procedures?

A:100% strict inspection and testing for every order before packing.

Q3: How can i get the after sale services?

A:Free replacement will provide once the problems casued by our product quality.

Q4: Can I have a visit to your factory before the order?

A: Sure, welcome, here is our address: Yantai, Shandong.

CONTACT: