Construction Dth Bits

 

 

Construction Dth Bits is a specialized drilling tool used in various industries, particularly in mining, construction, geothermal drilling, and water well drilling. It is an essential component of the DTH drilling method, which is a percussion drilling technique. DTH drilling is known for its efficiency and effectiveness in penetrating hard rock formations and achieving deep boreholes.

 

 

Here's how  Construction Dth Bits work:

Drilling Rig: A DTH drilling rig consists of a compressor that generates high-pressure air, a drill string (drill pipe and hammer), and the DTH bit.

 

Compressed Air: The compressed air is sent down the drill string to the DTH bit, where it is released through nozzles located around the bit's face.

 

Impact and Rotation: The high-pressure air creates a powerful hammering effect inside the bit. This hammering action, along with the rotation of the drill string, helps the DTH bit to break and crush the rock or formation in its path.

 

Cutting Structure: Construction Dth Bits have a specific cutting structure on the face, which can vary depending on the type of rock or material being drilled. This cutting structure may include tungsten carbide buttons, which are durable and can withstand the high-impact forces involved in DTH drilling.

 

Drilled Hole: As the DTH bit continues to hammer and rotate, it creates a hole in the ground or rock. The cuttings are forced to the surface through the annular space between the drill string and the newly formed hole.

 

Construction Dth Bits are preferred for drilling in hard and abrasive formations because they provide efficient penetration rates and maintain hole straightness. The high-pressure air not only aids in breaking rock but also helps remove the cuttings from the hole, preventing clogging and allowing for faster drilling progress. These bits come in various sizes and designs to accommodate different drilling requirements.

 

Why Choose US？

• 3 factories, 7 production lines, 1 service company;
• DTH Hammer production yearly: over500,000 sets;
• Drill bits production yearly: over 6000,000 sets;
• Drill pipes production yearly: 8000,000 pcs;
• 20+ years’ manufacture experience in drilling area;
• 10+years ‘experience of helping the world famous brands produce OEM drilling tools;
• Served 100,000+ drilling companies in worldwide.

 

 

Technical Parameters Of QL40 High Air Pressure DTH Bits:

 

Bit Shank	Connection Thread	Hole Range	Length	Weight	Working Pressure		Air Consumption (m³/min)
QL80A	API 4 1/2" Reg	Φ195-254mm	1330mm	182Kg	10-25Bar		14Bar	24Bar
							18.67	29.24