Custom Button Drill Bit Manufacturer in China
We offer premium button drill bits designed for superior rock drilling performance. Our bits feature robust construction and advanced button configurations, ensuring exceptional penetration rates and extended service life. Choose from various sizes and thread types for all your percussive drilling needs. Maximize your productivity and minimize downtime with our reliable button drill bits.
Sinodrills - Your Trusted Button Drill Bit Manufacturer from China
Sinodrills is your trusted Chinese drill bit manufacturer of high-performance button drill bits. With over two decades of expertise, we deliver a wide range of top hammer and DTH button bits, engineered with premium tungsten carbide for exceptional durability and penetration. Our ISO9001 certified products ensure reliable performance for mining, quarrying, and construction projects globally.
Types of Button Bits for Sale
Threaded Button Bit
We offer a wide range of high-quality threaded button bits, essential for efficient top hammer drilling. Available in various thread sizes (R25, R32, T38, T45, T51, etc.) and head diameters (33mm to 152mm), our bits cater to diverse rock formations and drilling applications. Engineered with premium alloy steel and tungsten carbide, they ensure superior wear resistance and exceptional penetration rates for maximum productivity.
retract button bit
We offer retract button bits designed for efficient drill string retrieval. These specialized bits feature a unique design that allows for easy extraction from the borehole, minimizing wear on drilling equipment. Ideal for challenging ground conditions, our retract button bits enhance productivity and reduce operational costs. We provide a variety of sizes and configurations to meet diverse drilling demands.
reaming button bit
We offer high-performance reaming button bits, essential for enlarging boreholes after pilot drilling. Our selection includes both dome-type and pilot reaming bits, crafted from premium tungsten carbide for exceptional durability and wear resistance in challenging rock conditions. These bits ensure fast penetration rates, straight, clean holes, and are crucial for applications requiring precise hole diameter, such as mining, tunneling, and construction.
Different Bit Face
Flat Face button bit
We offer flat face button bits, an excellent choice for drilling in hard and abrasive rock formations like granite and basalt. Their universal design ensures superior stability, minimizing hole deviation, and promoting even button wear for extended bit life. Our flat face bits are engineered for maximum impact energy transfer, delivering efficient penetration and enhanced productivity in challenging conditions.
Drop Center button bit
We offer high-performance drop center button bits, engineered for superior hole deviation control and faster penetration in medium-hard rock formations. Our bits feature a specialized face design that optimizes energy transfer, reducing wear and extending service life. Ideal for various drilling applications, they ensure consistent performance and efficiency. Choose our reliable drop center bits for your challenging projects.
Convex button bit
We offer premium convex button bits, designed for optimal rock breaking and faster penetration in medium to hard rock formations. Their rounded button shape provides superior impact energy transfer and reduces bit wear, leading to extended service life. Available in various sizes and thread configurations, our convex button bits enhance drilling efficiency and productivity for all your percussive drilling needs.
Different Bit Shapes
Spherical button bit
We offer spherical button bits, renowned for their exceptional strength and wear resistance. These bits are ideal for drilling in medium to very hard and abrasive rock formations, providing reliable penetration and extended lifespan. Their rounded shape allows for even wear and robust performance, making them a universal choice for various drilling applications.
ballistic button bit
We offer high-performance ballistic button bits for rapid penetration in medium-hard to hard rock formations. Featuring a flat-topped, conical design, our ballistic buttons deliver concentrated force, optimizing drilling speed and efficiency. Ideal for quarrying, mining, and construction, these bits ensure faster drilling and reduced operational costs in appropriate ground conditions.
Conical button bit
We offer conical button bits, engineered for optimal drilling in hard rock formations. Our conical design provides excellent penetration and durability, featuring high-quality tungsten carbide inserts for prolonged bit life. Ideal for percussive drilling, these bits ensure efficient and consistent performance, reducing downtime and enhancing overall productivity.
Shirt Bit
Standard Skirt button bit
We provide standard skirt button bits, engineered for optimal drilling in various rock conditions. These bits feature a robust skirt design, providing stability and excellent hole straightness. Crafted with high-quality alloy steel and premium tungsten carbide inserts, our standard skirt button bits deliver superior wear resistance and enhanced penetration for reliable and efficient drilling performance.
Retrac Skirt button bit
We offer advanced retrac skirt button bits, specifically designed for challenging rock conditions. The unique retrac skirt aids in retrieving drilling tools, reducing bit sticking, and enhancing hole straightness, especially in broken or unconsolidated ground. Experience improved drilling efficiency and reduced downtime with our durable and reliable Retrac Skirt button bits.
Customize Your Desired Button Drill Bit
Face Design
The face design dictates how the bit interacts with the rock. Options include flat, concave, convex, or drop-center faces. A flat face is versatile, suitable for hard, abrasive rock, while a concave face is excellent for straighter holes in medium to hard formations. Convex faces prioritize faster penetration in softer rock, and drop-center designs enhance straightness in less consolidated ground. Choosing the right face optimizes energy transfer and rock fragmentation.
Button Shape and Arrangement
Button shape significantly impacts drilling efficiency and wear. Common shapes include spherical, ballistic, conical, and parabolic buttons. Spherical buttons are robust for hard rock, while ballistic buttons offer faster penetration in softer formations. Conical buttons provide excellent impact resistance, and parabolic buttons are good for soft to medium-hard rock. The quantity and strategic placement of these buttons also affect cutting efficiency and bit lifespan.
Carbide Grade
The tungsten carbide material used for the buttons determines their hardness, toughness, and wear resistance. Different carbide grades, often distinguished by their cobalt content (e.g., YG8, YG11C), are formulated for varying rock types and drilling demands. A higher cobalt content generally increases toughness but may reduce hardness. Selecting the optimal carbide grade ensures the buttons withstand the abrasive and percussive forces of the specific rock formation.
Flush Hole Configuration
The design and number of flush holes are crucial for effective debris removal and bit cooling. These holes allow drilling fluids (air or water) to clear cuttings from the borehole, preventing re-grinding and reducing bit wear and overheating. Customizable flush hole patterns can optimize flushing efficiency for different drilling methods and rock conditions, directly impacting penetration rates and overall drilling productivity.
what is a button drill bit?
A button drill bit is a type of rock drilling tool characterized by the presence of button-shaped inserts, typically made from highly durable tungsten carbide, embedded into its steel body.
These buttons are the primary cutting elements, designed to break and pulverize hard rock formations through impact and crushing rather than a scraping action. Button bits are widely used in various percussive drilling applications, such as mining, quarrying, construction, and well drilling, due to their superior resistance to wear, high penetration rates, and extended lifespan compared to other bit types.
The button drill bit design and the arrangement of the carbide buttons can be customized to optimize performance for specific rock types and drilling conditions.
button drill bit types
Button drill bits come in various types, each optimized for different drilling methods and ground conditions. The primary distinction often lies in how they connect to the drill string and the kind of percussive action they’re designed for.
Understanding these types is crucial for selecting the most effective bit for a specific drilling project.
Here are the main types of button drill bits:
Top Hammer Button Bits: These bits are used with top hammer drilling rigs where the hammer delivers impact energy directly to the top of the drill rod. They are characterized by threaded connections (e.g., R-thread, T-thread) to attach to extension rods.
DTH (Down-The-Hole) Button Bits: DTH bits work with DTH hammers, which are located at the bottom of the drill string, directly behind the bit, delivering impact energy closer to the rock. They have specific shank configurations that mate with the DTH hammer.
Tapered Button Bits: Designed for smaller hole drilling, these bits feature a tapered connection that fits into a corresponding tapered drill rod. They are commonly used with handheld rock drills or light pneumatic machines in quarrying and small-scale construction.
Retrac Skirt Button Bits: These bits feature a special “retrac” skirt design that helps prevent the bit from getting stuck in broken or fractured rock formations. The skirt allows for easier retraction of the drilling tools, improving efficiency in challenging ground.
Types of button drill bits
Optimizing drilling performance hinges on selecting the right button drill bit. This crucial choice depends heavily on the specific rock conditions and drilling objectives.
Here we can illustrate how variations in both the bit’s face shape and the carbide button’s geometry directly influence efficiency, penetration rate, and overall bit lifespan. Understanding these design distinctions is fundamental for any drilling operation.
Here are the types of the button drill bits shown:
Bit Face Shape Selection:
Flat Face: This design is robust and highly versatile, ideal for drilling in hard, abrasive rock formations. It provides strong support for the buttons and ensures a stable drilling process.
Convex Face: Characterized by a rounded, outward curve, the convex face prioritizes faster penetration rates, especially in softer to medium-hard rock. It helps to concentrate impact energy, leading to quicker drilling.
Concave Face: With an inward curving shape, the concave face is excellent for achieving straighter holes, particularly in medium to hard rock formations. It provides good control and reduces deviation during drilling.
Drop Center: This design features a central depression, which significantly enhances hole straightness and accuracy. It’s particularly effective in less consolidated or fractured ground where maintaining a straight bore is challenging.
Double Gauge: This face design incorporates two distinct gauge rows of buttons, providing enhanced stability and extended bit life in abrasive conditions. It helps maintain hole diameter and reduces wear on the bit body.
Carbide Button Shape Selection:
Domed/Round Button: These hemispherical buttons are extremely robust and offer high resistance to breakage. They are excellent for very hard and abrasive rock types, providing long wear life.
Parabolic/Semi-Ballistic Button: This shape offers a good balance between penetration rate and wear resistance. It’s effective in a range of medium to hard rock formations, providing efficient drilling.
Ballistic Button: Characterized by a more pointed, conical shape, ballistic buttons excel in delivering higher penetration rates, especially in softer to medium-hard rock. They provide a more aggressive cutting action.
Sharp Button: These buttons have a very pointed tip, designed for maximum penetration in soft to medium-hard, less abrasive rock. They offer aggressive cutting but may have a shorter lifespan in harder conditions.
Flat Button: While less common as primary cutting elements, flat buttons provide excellent gauge protection. They help maintain the hole diameter and resist wear on the perimeter of the drill bit, extending its life.
Send Your Inquiry Now
All-in-one Button Drill Bit Solutions for Your Project
We provide comprehensive button drill bit solutions for all your drilling needs. Our extensive range includes various face designs (flat, convex, concave, drop-center, double gauge) and carbide button shapes (domed, parabolic, ballistic, sharp, flat) to tackle diverse rock formations, from soft to extremely hard. We ensure optimal penetration, longevity, and cost-effectiveness for your project.
