Friction Welding DTH Drill Pipe - DTH Drill Rod

Liaocheng Jinquan Construction Machinery Co.,Ltd can provide DTH Friction Welding Drill Pipes (DTH Tubes) and Rotary Drilling Friction Welded Drill Rods (Rotary Pipes) with A.P.I. Connections.

DTH Drill pipe is made of high quality material detected by spectrograph, impact and tension test. With fully digitized processing line introduced from Japan with integral heat treatment equipment. Anti adhesion thread with nitrogen treatment on surface make it easier for handling. Metallography detection, hardness test, magnaflux inspection, ultrasonic flaw detection, tensile test and impact test ensure products quality.

DTH drill rods out diameter: 76mm, 89mm, 102mm, 114mm;

DTH drill rods thread sizes: 2 3/8”API Reg, 2 7/8” API Reg, 3 1/2” API Reg, 4 1/2” API Reg, 2 3/8” API IF, 3 1/2” API IF;

DTH drill rods length: 1000mm, 1500mm, 2000mm, 30000mm, 6000mm;

DTH drill rods production technologies: Friction welding.

Liaocheng Jinquan Construction Machinery Co.,Ltd (Formerly Jinquan (Golden Spring) Rock Drilling Tools Co., Ltd) was established in 1984, located in Economic Development Zone Of Liaocheng, Shandong Province, China. It belongs to the group company of Golden Spring Drilling Limited. We are one of the biggest production bases of all kinds of rock drilling tools, mainly produce "Jinquan" brand rock tools, including threaded button bits, tapered button bits, cross drill bits, chisel bits, down the hole DTH bits, DTH hammers, extension drill rod, MF rod, shank adaptors, coupling sleeves, conical shank cutter bits, pick holders, tricone bits, air compressor, drilling rigs etc. Now our manufacturing capacity has reached eight series and more than 500 types of products. They are widely used in quarrying, mining, road building, railways, highways, water well, hydroelectric power and other basic energy & civil construction projects.

The information you may like to know before order:

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 25 days for production.

Only 2 or 3 days if we have stock on your request size.

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:

1. Our sales team will response for your question within 24 hours (Holidays Excluded)

2. Technical Support will be available in any time

3. Free replacement will provide once the failure confirmed caused by our product quality.