Reaming Bit
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Specifications
Reaming Bit
Reaming bit, also known as pilot reamer bit, is a hole opener that drills a pilot hole to a certain depth and then reams the hole to a larger diameter. It is mainly used for center hole reaming in
long hole drilling. Threaded reaming bits are divided into integral reaming bit (dome type, pilot type) and split-type reaming bit. Our reaming button bits are mainly dome reaming bits and pilot
reaming bits, such as R25 reaming bit, R28 reaming bit, reaming bit R32, R35 reaming bit, R38 reaming bit, T38 reaming bit, T45 reaming bit, T51 reaming bit, ST58 reaming bit, ST68 reaming bit,
SR35 reaming bit...
Specification Of Reaming Bit
Appearance Diameter Buttons Flushing Hole Weight Model No.
[mm] [in] Gauge Front Side Front [kg]
[No.] × [mm] [No.] × [mm] [No.] [No.]
Dome Reaming Bit 76 3" 9 × 13 1 × 12 - 2 2 R32-7610KKP
89 3 1/2" 8 × 12.7 7 × 12.7 2 4 3 R32-8915KKP
102 4" 8 × 13 7 × 13 - 5 3.7 R32-10215KKP
102 4" 8 × 13 9 × 13 2 4 3.8 R32-10217KKP
102 4" 14 × 12 3 × 10 - 2 3.6 R32-10217KKP1
76 3" 12 × 12 4 × 10 - 2 2.5 R32-7616DXP
Pilot Reaming Bit 89 3 1/2" 12 × 12 4 × 10 - 2 3.4 R32-8916DXP
102 4" 12 × 13 3 × 10 - 4 3.4 R32-10215DXP
102 4" 14 × 12 3 × 10 - 2 3.8 R32-10217DXP
102 4" 8 × 14 7 × 12 - 4.8 R32-10215DXP1
Difference between Pilot Reaming Bit and Dome Reaming Bit
In top hammer drilling, dome reaming bits and pilot reaming bits serve specific functions in the drilling process. Here are the key differences in their functions and applications:
Pilot Reaming Bit:
Function: The pilot reaming bit in top hammer drilling is primarily designed to create the initial hole or pilot hole. It has a smaller cutting diameter compared to the dome reaming bit and is
responsible for penetrating the rock and initiating the drilling process.
Application: Pilot reaming bits are used at the beginning of the drilling operation to establish a straight and accurately sized pilot hole. They play a crucial role in guiding the subsequent top
hammer drilling tools and maintaining hole alignment.
Dome Reaming Bit:
Function: Dome reaming bits in top hammer drilling have a larger cutting diameter and are employed after the pilot hole is established. Their main function is to enlarge the hole to the desired
final diameter, removing additional rock material in the process.
Application: Dome reaming bits are used in the later stages of drilling to achieve the desired hole diameter. They contribute to the efficiency of the drilling process by widening the hole,
allowing for the installation of larger equipment or casings.
In summary, the pilot reaming bit in top hammer drilling initiates the drilling process by creating a smaller pilot hole, while the dome reaming bit follows to enlarge the hole to the final desired
diameter. This sequential use of different bits ensures precision, efficiency, and control in the drilling operation.
If you are looking for a reliable drill rod factory, please choose us, and we will be your best partner.
- Country: China (Mainland)
- Business Type:
- Market:
- Founded Year:2010
- Address:No. 6, Tongxin Road, Dayushan Pump Industry Park
- Contact:Litian HeavyIndustry
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