DTH drilling tools

DTH Drill Pipes Standard

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 Standard 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


OD (A)Wall thickness (B)Effective length (L)Wrench flat (C/G)Joints connection
mmmmmmmmPin - Box


76


5.51000/1500/2000/300057/652 3/8'' REG


76


6.51000/1500/3000/4000/5000/6000652 3/8'' REG


89


5.51000/1500/2000/3000652 3/8'' REG, 2 3/8'' IF


89


6.51000/1500/2000/3000/4500/6000652 3/8'' REG, 2 3/8'' IF


102


6.51500/2000/3000/4000/5000/600075/832 7/8'' REG


102


8.51500/2000/3000/4000/5000/600075/832 7/9'' REG


114


6.51000/1500/2000/3000/4500/600089/953 1/2'' REG, 3 1/2'' IF, 2 7/8 IF


114


8.51500/2000/3000/4000/5000/600089/953 1/2'' REG, 3 1/2'' IF, 2 7/8'' IF


127


103000/4000/5000/6000/8100/9140893 1/2'' REG, 4 1/2'' REG


127


193000/4000/5000/6000/8100/9140893 1/2'' REG, 4 1/2'' REG


140


113000/4000/5000/6000/8100/9140/106701144 1/2'' REG


140


193000/4000/5000/6000/8100/9140/10670
1144 1/2'' REG


Please contact our sales team for more specifications.