dth drill pipes standard

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.

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Description

SINODRILLS DTH Drill Pipes Standard

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

Features of DTH Drill Pipes Standard

• 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 of GSE SD DTH Bit

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

GSE SD DTH bits are versatile drilling tools with a wide range of applications across various industries due to their ability to efficiently penetrate different types of rock formations. They are commonly used in projects requiring deep, straight, and precise boreholes. The SD shank design is known for its durability and high performance, making it a reliable choice in demanding conditions.

  • Mining and Quarrying: Used for blast hole drilling to prepare for rock excavation.
  • Construction: Essential for foundation work, micro-piling, and rock-bolting in infrastructure projects.
  • Water Well Drilling: Employed to bore deep, stable holes for accessing groundwater resources.
  • Geotechnical Investigation: Used for sampling rock formations and soil during geological surveys.
  • Oil and Gas Exploration: Utilized in drilling operations for various onshore and offshore applications.

Parameters of DTH Drill Pipes Standard

OD (A) Wall thickness (B) Effective length (L) Wrench flat (C/G) Joints connection
mm mm mm mm Pin – Box
76 5.5 1000/1500/2000/3000 57/65 2 3/8” REG
76 6.5 1000/1500/3000/4000/5000/6000 65 2 3/8” REG
89 5.5 1000/1500/2000/3000 65 2 3/8” REG, 2 3/8” IF
89 6.5 1000/1500/2000/3000/4500/6000 65 2 3/8” REG, 2 3/8” IF
102 6.5 1500/2000/3000/4000/5000/6000 75/83 2 7/8” REG
102 8.5 1500/2000/3000/4000/5000/6000 75/83 2 7/9” REG
114 6.5 1000/1500/2000/3000/4500/6000 89/95 3 1/2” REG, 3 1/2” IF, 2 7/8 IF
114 8.5 1500/2000/3000/4000/5000/6000 89/95 3 1/2” REG, 3 1/2” IF, 2 7/8” IF
127 10 3000/4000/5000/6000/8100/9140 89 3 1/2” REG, 4 1/2” REG
127 19 3000/4000/5000/6000/8100/9140 89 3 1/2” REG, 4 1/2” REG
140 11 3000/4000/5000/6000/8100/9140/10670 114 4 1/2” REG
140 19 3000/4000/5000/6000/8100/9140/10670 114 4 1/2” REG

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