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

The vertical reaming drill bit is a specialized tool used in the construction and mining industries for enlarging pre-drilled holes or shafts. It is designed to remove material from the sides of an existing hole, creating a larger diameter opening while maintaining the vertical alignment.

The vertical reaming drill bit consists of a cylindrical body with cutting elements, such as teeth or inserts, positioned around its circumference. These cutting elements are typically made of robust materials like tungsten carbide to withstand the high compressive forces and abrasive conditions encountered during the reaming process.

When inserted into an existing hole, the vertical reaming drill bit is rotated and moved up and down to scrape away material from the hole's sidewalls. The cutting elements on the bit's surface chip away at the surrounding rock or soil, gradually increasing the hole's diameter.

One of the key advantages of the vertical reaming drill bit is its ability to maintain the vertical alignment of the hole. This is particularly important in applications where precision is crucial, such as vertical shaft construction or well drilling. By carefully controlling the drilling parameters, including rotation speed, feed rate, and downward pressure, the reaming bit ensures that the hole remains straight and aligned as it is enlarged.

Vertical reaming drill bits are commonly used in a variety of applications, including foundation drilling, tunneling, and underground mining. They are especially useful when there is a need to enlarge an existing hole for various purposes, such as installing casing pipes, utility lines, or ventilation systems.

In addition to their reaming capabilities, some vertical reaming drill bits may also incorporate features for debris removal. These features can include flutes or channels that help to flush out the cuttings and maintain a clear path for efficient drilling.

Overall, the vertical reaming drill bit is a specialized tool that plays a vital role in construction and mining activities where the enlargement of pre-drilled holes is necessary. Its ability to maintain the vertical alignment while increasing the hole's diameter ensures accurate and efficient drilling operations. As technology advances, vertical reaming drill bits will continue to evolve, providing improved performance and precision in various drilling applications.

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:

• 600mm vertical