Mining

GSE DTH Pipe Schramm Style

DTH drill pipes 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.

Description

SINODRILLS Schramm Carousel Style and Schramm T46 Sytle DTH Drill Pipes



DTH drill rods transmit compressed air, so as to power the hammers to perform drilling works. Sinodrills DTH drill pipes are made of superior alloy and the both thread ends are friction welded to the seamless steel pipe.The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfers the rotation and press force to the DTH hammer.



Features

• Complete sizes for option, suitable for different types of DTH drilling system;

• The rods are made of cold-drawn steel with high manufacturing precision;

• Thread joint sturdily linked to the rod via friction welding;

• Nitriding process grants the thread joint good hardness, good wearing quality and thus long lifespan.



Applications

Mining, quarrying, water well drilling, geothermal well drilling, foundation piling, etc.



Parameters


DTH DRILL PIPE


Schramm Carousel Style

OD (A)

Wall (B)Lenght (L)Across Flat (C)Flat Length (E)Recess Dia. (G)Connection

mm

mmmmmmmmmmThread


89


9.3560968270702 3/8'' API IF


89


8.5660969857893 1/2'' API REG


89


8.5676209857892 2/8'' API IF


89


8.5676209857893 1/2'' API REG


89


8.5676209857892 7/8'' API IF



DTH DRILL PIPE


Schramm T46 Style

OD (A)Wall (B)Length (L)Across Flat (C)Flat Length (E)Dist From Shoulder (G)Connection
mmmmmmmmmmmmThread


114


8.560009851953 1/2'' API REG


114


8.560004551573 1/2'' API REG


Please contact our sales team for more specifications.