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{"title":"8 Tooth 49mm R32 Threaded Button Bit For Rock Drilling In Medium Hard \/ Hard","imgUrl":"https:\/\/img.chinax.com\/nimg\/50\/d5\/6082b47eb8e5fddb766c988a1ecf-200x200-1\/8_tooth_49mm_r32_threaded_button_bit_for_rock_drilling_in_medium_hard_2f_hard.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"SR32 41mm Threaded Button Bit with YK05 Tungsten Carbide for Rock Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/40\/fb\/13425e230bda090aac3238fb168b-200x200-1\/sr32_41mm_threaded_button_bit_with_yk05_tungsten_carbide_for_rock_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"SR32\u00d741mm","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS"}}
{"title":"10 Tooth T38 Thread Retrac Button Bit Drilling For Medium Hard Hard Rock","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/31\/1a5c78acc9eab118ff65aec09f77-200x200-1\/10_tooth_t38_thread_retrac_button_bit_drilling_for_medium_hard_hard_rock_formations.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"7 Tooth 11 Degree Taper Button Bit 42mm Diameter For Rock Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/80\/0b3c550383e49044abac6d2ee11a-200x200-1\/7_tooth_11_degree_taper_button_bit_42mm_diameter_for_rock_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS","Price":"Please contact us"}}
{"title":"14 Tooth T51 Threaded Button Bit Impact Resistant Anti Jamming","imgUrl":"https:\/\/img.chinax.com\/nimg\/75\/41\/34a8d8f4bafbe4a99fd8748abaad-200x200-1\/14_tooth_t51_threaded_button_bit_impact_resistant_anti_jamming.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"7516-1915-S48","Place of Origin":"CHINA","Minimum Order Quantity":"10PCS"}}
{"title":"Thread Tungsten Carbide Button Bit for Rock Drilling","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/62\/ed05c5930ee170c15927a91fb946-200x200-1\/thread_tungsten_carbide_button_bit_for_rock_drilling.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"64R32","Place of Origin":"China","Payment Terms":"T\/T"}}
{"title":"YK05 38mm Taper Button Bit for Underground Mining with 3 Months Warranty and 0","imgUrl":"https:\/\/img.chinax.com\/nimg\/fb\/eb\/296160868af5769056ab1d42521c-200x200-1\/yk05_38mm_taper_button_bit_for_underground_mining_with_3_months_warranty_and_0_29_kg_weight.jpg","attrs":{"Brand Name":"HLDRILL","Model Number":"1431-381122-27\/59-45-51","Place of Origin":"Shandong, China","Minimum Order Quantity":"1"}}
8-tooth 49mm diameter R32 threaded button bit for efficient rock drilling in medium-hard to hard formations
This professional 8-tooth, 49mm diameter R32 threaded ball-tooth drill bit is engineered for drilling in medium-hard to hard rock formations. Designed for mining, tunnel excavation, and engineering applications, it delivers exceptional performance and reliability in demanding conditions.
Product Specifications
Tooth Count
8 ball-shaped cutting teeth
Diameter
49mm (small to medium size)
Thread Type
R32 standard thread
Tooth Material
Cemented carbide
Design Features
Eight ball-shaped carbide teeth for even force distribution
Concentrates impact energy efficiently on rock formations
Optimized chip removal reduces sticking risk
Superior wear resistance compared to traditional flat-bladed bits
Ideal for mining blast hole pre-drilling, tunnel anchor bolt holes, and small-scale geological exploration. The 49mm diameter provides optimal balance between drilling accuracy and operational efficiency.
R32 Thread Compatibility
Compatible with R32 drill rods used with hydraulic or pneumatic rock drills. The threaded connection ensures strong stability, minimal energy loss, and easy assembly/disassembly for quick on-site bit replacement.
Core Advantages
High Efficiency and Durability
Carbide ball teeth combined with high-strength matrix withstand hard rock impact and wear, ensuring extended service life.
Convenient Operation
R32 threaded connection allows easy installation and removal, compatible with mainstream rock drilling equipment without special tools.
Strong Adaptability
Suitable for hard and brittle rocks (granite, basalt) as well as medium-hard formations (sandstone, limestone). Versatile for small to medium rock drilling projects.
HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr... HENGLONG is an internationally recognized and leading producer of superior percussive rock drilling tools.Our high performance products include top hammer drill bits extension and tunneling rods,integral and tapered rods,shank adapters,coupling,drag bits,blast furnace tapping tools,self dr...
