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T45 76mm Drop Center Ballistic Button Bit With Fast Penetration For Soft Rock Drilling
Drill bits T45-76mm drop center
Buttons: 5x11mm, 8X12mm
4 front flushing holes
Retract body
Ballistic buttons For soft rock
T45 Drop Center Retract Ballistic Button Bit Specification:
T38 Drop Center Retrac Button Bit
Bit Diameter | Gauge Button | Front Button | Number of Side flushing hole | Number of Front Flushing Hole | Weight(kg) |
64 | 8x9mm | 5x9mm | 0 | 4 | 1.9 |
70 | 8x10mm | 5x10mm | 0 | 4 | 2.4 |
76 | 8x11mm | 5x10mm | 0 | 4 | 3.3 |
89 | 8x12mm | 6x12mm | 0 | 4 | 5.3 |
Thread Button bit is well known for its high wear resistance on medium-hard to hard abrasive rock formations (between 200 Mpa to 260 Mpa compressive strength).
Featuring spherical tungsten carbide inserts that are known to have strong configuration against carbide fracture.
Basic Information
Product Name | Thread Rock Drill Bit |
Thread | R25,R28,R32,R38,T38,T45,T51,ST58, ST68 |
Diameter | 32mm-152mm (or 1 1/4 inch to 6 inches) |
Drill Bit Type | Button Bit, Retrac Bit, Dome Bit, Reaming Bit, Cross Bit |
Carbide Insert | Spherical and ballistic |
Body Design | Normal body and retrac body |
Face Design | Flat face and drop center face |
Material | High strength alloy steel bar and tungsten carbide |
Color | Green, Gold, Black or based on customer requirements. |
Applications
Used in benching and long hole drilling.
Processing
CNC milling and proprietary heat treatment process
Competitive Advantage
High strength chromium-molybdenum steel with high fatigue strength and excellent wear resistance