Shank Adapter,Drill rod,DTH hammer and bits,Tophammer bit,,Tricone bit,Core bit.

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JESSIN ROCK DRILL CO.,LIMITED
Tel: +86-(0)731-85778491
Fax: +86-(0)731-85778492
Mobile:+86-15364024561
Skype: jessin-dthhammer
jessinhammer@163.com
http://www.dthhammer-js.com
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Friction Welding DTH Drill Pipe - DTH Drill Rod
JESSIN          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, 114mm127mm,140mm,165mm.
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, 6000mm9000mm;
DTH drill rods production technologies: Friction welding
 
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Tel: +86-(0)731-85778491 Fax: +86-(0)731-85778492
Mobile:+86-15364024561 E-mail: jessinhammer@163.com