#Retract <br>[a]https%3A%2F%2Fwww.litechtools.com%2Fproducts%2Fretrac-button-bit%2F[/a] <br> <br>Retract drill bit china are mainly used in loose rock mass with relatively broken rock. The retrac skirt design can assist in retrieving the drill tool, reduce the phenomenon of bit stuck and buried, and help improve the straightness of the borehole. <br> <br>As a China retrac button bit supplier, we can provide you with high-quality button bit includes retrac rock drill bits, such as R25 retract button bit, R28 retract button bit, R32 retrac button bit, R35 retrac button bit, R38 retrac button bit, t38 button bit, T45 retract drill bit, T51 retract drill bit, GT60 retract button bit, ST58 retrac button bit, ST68 retrac button bit, SR35 retrac drill bit and other types of rock drill bit. <br> <br>Litian Retrac Button Bit Features <br>Litian retrac button bits are made of high-quality steel and cemented carbide as raw materials, so they have a long service life. And the use of retrac bit minimize the loss of impact energy during transmission. In addition, the advanced button fixing technology makes the fixing force uniform and not easy to loose buttons. Meanwhile, the use of retract drill bit also ensures the perpendicularity of the borehole, so that the impact energy is concentrated on the rock and the drilling efficiency is improved. <br> <br>Retrac Button Bit Application <br>No matter it is mining, rock drilling, or tunneling and blasting, Litian retract bit are suitable for all these situations. <br> <br>Litian Rock Tools, as an excellent rock drilling tools manufacturers, offers a wide range of rock tools for you to choose from.

#Reaming <br>[a]https%3A%2F%2Fwww.litechtools.com%2Fproducts%2Freaming-bit%2F[/a] <br>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... <br> <br>Difference between Pilot Reaming Bit and Dome Reaming Bit <br>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: <br> <br>Pilot Reaming Bit: <br>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. <br> <br>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 drilling tools and maintaining hole alignment. <br> <br>Dome Reaming Bit: <br>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. <br> <br>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. <br> <br>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. <br> <br>Litian Rock Tools, as an excellent drill rod factory, offers a wide range of rock cutting tools for you to choose from.

#Cutte <br>[a]https%3A%2F%2Fwww.litechtools.com%2Fproducts%2Frandom-roller-cutter.html[/a] <br>Random Roller Cutter is a kind of TCI roller cutter without annular grooves (chipways) on the cutter surface, and its carbides are randomly distributed on the cutter body surface according to the design. This kind of roller cutter can be used not only in raise boring equipment, called raise boring cutter; but also widely used in reverse circulation drilling equipment, called RCD cutter. <br> <br>Random RCD Cutter Product Features <br>1. The back cone adopts spherical buttons, and the main cone adopts conical buttons. <br>2. Randomly distributed buttons are used to achieve full coverage of the bottom crushing zone. <br>3. The optional bearings include tapered roller bearings, ball bearings, and thrust roller bearings. <br>4. Use high-quality metal seals. <br>5. The roller cutters can be repaired and customized. <br> <br>Random RCD Roller Cutter Application Parameters <br>1. Applicable rock hardness: protodyakonov scale of hardness f≤12. <br>2. Recommended WOB of roller cutter: 100KN~170KN (12″), 60KN~100KN (8″). <br>3. Maximum WOB (weight on bit): 196KN (12″), 120KN (8″). <br>4. Recommended cutterhead rotation speed: 3-15 RPM. <br>5. Maximum linear velocity: 90m/min. <br> <br>Litian Rock Tools, as an excellent drill rod factory, offers a wide range of rock excavation tools for you to choose from.

#cutters <br>[a]https%3A%2F%2Fwww.litechtools.com%2Fproducts%2Fraise-boring-cutters%2F[/a] <br>Raise boring cutter (RBM cutter) is a tungsten carbide insert roller cutter mounted on the reaming head of raise boring machine (RBR, raise borer), which is an excavation tool for breaking rocks. As the most important raiseboring drilling tools, the raise boring cutters are mainly used in the construction of vertical shafts, inclined shafts, surge shafts, ventilation shafts, and escape shafts, and can be widely applied in underground engineering construction fields such as mine, hydropower, transportation and so on. <br> <br>Litian focuses on developing and manufacturing raise boring roller cutter suitable for all kinds of raise boring rigs and rock formations and can provide users with comprehensive technical support and consultation, as well as various forms of services and solutions. <br> <br>Different Types Of Litian Raise Boring Roller Cutters <br>Litian raise boring cutters are designed and manufactured for all sizes of reaming heads. These rock roller bit cutters are used for different types of drilling from horizontal drilling, blind drilling to vertical drilling, etc. Different types of raise boring drilling tools have different advantages. Our kerf roller cutters are designed to achieve the best performance in all rock formations by varying spacing between rows of tungsten carbide inserts. Our random cutters, also known as RCD cutters, can be randomly arranged with optimal inserts to achieve better penetration and higher toughness, based on specific rock formation information. Litian raise boring cutters are designed and manufactured using the latest technology to provide optimum performance. Click below to get more！ <br> <br>High-quality Raise boring Roller Cutter Parts <br> <br>Buttons <br>The insert buttons of raise boring cutters adopt high-quality tungsten carbide with good wear resistance and long service life, and the commonly tungsten carbide insert design includes chisel inserts, conical inserts, spherical inserts, which can be used with raise boring cutters to improve drilling efficiency under different geological conditions. <br> <br>Hub <br>The raise boring cutter hub uses high-quality raw materials and reasonable design, and it can meet long-distance use under different geological conditions. <br> <br>Sealing <br>The metal seal of our raise boring roller cutters has excellent high-temperature resistance, reliable sealing performance, and can meet long-distance use in harsh working environments. <br> <br>Bearing <br>The raise boring cutter bearing has good wear resistance and deformation resistance, and good overall performance. Our optional bearings include tapered roller bearings, ball bearings, and thrust roller bearings. <br> <br>Litian Raiseboring Drilling Tools Features <br> <br>Litian raiseboring tools have been practically applied under a variety of different rock conditions, and the rock roller cutter body structures and the button spacing are optimized according to the different rock performance characteristics. Our raise boring cutter drilling tools can be applied to the excavation of different hardness strata (30Mpa~300Mpa), such as sandstone, limestone, granite, basalt, etc., and can meet different engineering needs. <br> <br>We use scientific calculation and analysis methods to accurately calculate the maximum cutting efficiency and movement direction of each cutter row so that each alloy button can produce the maximum breaking area and volume when it contacts the hole wall. Litian raises boring cutters to have strong wear resistance, stable performance, and durability, and can cooperate with raise boring rigs for efficient rock-breaking operations, thereby helping users shorten construction time, improve drilling efficiency, and reduce engineering costs. <br> <br>Litian Rock Tools, as an excellent drilling tools factory, offers a wide range of rock drilling tools for you to choose from.

#company <br>[a]https%3A%2F%2Fwww.litechtools.com%2Fproducts%2Fmf-rod%2F[/a] <br> <br>MF rod, also known as speed drill rod, has a male thread at one end and a female thread at the other end. It can directly connect to the shank adapter without the aid of a coupling sleeve, which eliminates the defect that the equal diameter thread connection is prone to vibration. The quick-change properties of male/female rods improve the overall drilling efficiency. <br> <br>As an MF Rod manufacturer, we have two mf rod factories in China. Our MF drill rod are made of high-quality alloy steel and advanced thread manufacturing technology, and have excellent performance in wear resistance and flexibility. We offer speed drill rods with various threads, such as R23 MF drill rod, R32 MF drill rod, R38 MF rod, T35 MF rod, T38 MF drill rod, T45 MF rod, MF rod T51, GT60 MF drill rod, SR35 speed rod, etc. <br> <br>Litian Rock Tools, as an excellent rock tool company, offers a wide range of rock drilling tools for you to choose from.