Note: the hole opener size and the thread can be customization

Description 

Size	cutter size	cutter Qty	length	Thread
12 inch	8 1/2"	4	1100mm	3 1/2 IF box and box
16 inch	8 1/2"	5	1500mm	4 1/2 IF pin and box
24 inch	9 7/8"	5	1600mm	4 1/2 IF pin and box
28 inch	9 7/8"	6	1700mm	5 1/2 FH pin and box
32 inch	12 1/4"	6	1900mm	Ditch JT4020
33 inch	12 1/4"	6		VermeerD50*100
46 inch	17 1/2"	5	2100mm	6 5/8 reg pin and box
Note: the hole opener size and the thread can be customization

Insert trenchless reaming drill bits are advanced tools used in trenchless drilling operations to enlarge and shape pre-drilled holes without the need for excavation. These specialized drill bits feature cutting elements, such as inserts or polycrystalline diamond compact (PDC) cutters, that are strategically positioned on the bit's surface to effectively remove material and create precisely sized openings.

The design of insert trenchless reaming drill bits allows them to be used in various soil and rock conditions encountered during underground drilling projects. The cutting inserts are carefully selected for their durability and cutting efficiency, enabling the bit to navigate through challenging formations while maintaining optimal performance.

During operation, insert trenchless reaming drill bits are attached to a reaming tool and inserted into the pre-drilled hole. As the drill string rotates, the cutting inserts on the bit's surface engage with the surrounding material, effectively reaming and enlarging the hole to the desired diameter. This process is crucial in trenchless applications where the goal is to create underground pathways for utilities, pipelines, or conduits without disrupting the surface infrastructure.

One of the key advantages of insert trenchless reaming drill bits is their precision and control in shaping the borehole. The strategically placed cutting elements allow for accurate removal of material, ensuring that the final hole meets the specified dimensions and alignment requirements. This level of precision is essential in trenchless projects where accuracy is critical to avoid interference with existing underground structures or utilities.

Insert trenchless reaming drill bits are commonly used in horizontal directional drilling (HDD), pipe jacking, and microtunneling applications, where the creation of accurately sized and shaped holes is essential. Their versatility and efficiency make them indispensable tools for contractors and engineers working on trenchless projects in urban areas, environmentally sensitive areas, or areas with limited access.

As trenchless drilling technologies continue to evolve, insert trenchless reaming drill bits will play a vital role in enhancing the efficiency and effectiveness of underground construction projects. With their advanced cutting capabilities and precise reaming performance, these drill bits contribute to the successful completion of trenchless installations with minimal disruption to the surrounding environment.

Hebei Crossing Drill Bit Manufacture CO.,LTD is a professional supplier of drilling tools,including tricone bit,PDC tricone bit,Hole opener,single cone bit and so on.With years of study and refining of the introduced technology, we have succeeded in the field of product research with proprietary intellectual property rights.Also, we have made major breakthrough in the lines of analogue simulation in bottom-hole flow field,profile optimization,design of inserts arrangement and low torque,material and manufacturing techniques etc. As a result, our products own better characters of service and ranges of application.Mainly used for oil and gas,mining,geothermal,construction and so on.

The products of our company have achieved industrialization and serialization.Besides our company has always laying importance on the technical exchanges and cooperation with the counterparts both at home and abroad.Our products have been sold all over the world, including the United States, England,Canada,Brazil,Italy,Saudi Arabia,Korea, India, and Poland and so on.

Main products

tricone bit(mill tooth and tungsten carbide insert tricone bit)

PDC bit(matrix body and steel body PDC bit)

hole opener(HDD rock reamer,barrel reamer,fluted reamer,etc)

drag bit(step drag bit,PDC drag bit,chevron drag bit,etc)

accessories(roller cone,bit breaker,ring gauge,nozzle ,etc)

 

Milled tooth tricone bits

1, Soft formations ( IADC 114 - 117 )
These bits are designed to drill the softest formations such as soft shales,red beds, and clays, with high durability and maximum penetration rates.

2, Soft to medium formations( IADC 121,124,126,134,136,137 )
These bits are designed to drill formations such as shales, medium soft limestone, Medium sandstone and other formations with intermittent hard streaks.

3, Medium to medium hard formations ( IADC 213,214,215,217)
These bits are designed to drill formations such as hard sandstone, dolomite, and broken formations with hard cherty streaks

4. Hard formations(IADC 317, 337)
These bits are designed to drill formations such as hard limestone, dolomite, hard sandstone and chert, etc.

Key words:

• 12 inch insert trenchless