45mm R25 Semi Ballistic Button Bit With Tungsten Carbide Buttons For Top Hammer Rock Drilling
The 45mm R25 threaded button bit is a premium top hammer rock drilling tool engineered for light duty tunneling, drifting, and natural stone quarrying operations. Optimized for short hole and single pass drilling workflows, this semi ballistic drill bit minimizes frequent rod uncoupling, greatly improving on site drilling efficiency and adapting to diverse common rock formations.
Manufactured by Henglong with strict quality control, this R25 thread button bit features a standard skirt structure and premium tungsten carbide buttons, delivering outstanding wear resistance and stable drilling performance. It perfectly matches MM hex drifting drill rods, serving as a cost effective core accessory for light duty rock drilling projects.
| Model No. | Q9 - R25 - 45 |
| Thread Type | R25 |
| Base Diameter | 38mm | Optional working diameters: 40mm, 41mm, 43mm, 45mm |
| Overall Length | 90mm |
| Carbide Button Configuration | 10mm × 6 gauge buttons + 8mm × 3 front buttons |
| Carbide Design | Semi ballistic (dome, ballistic customizable) |
| Skirt Design | Standard |
| Weight | 0.51kg |
| Water Holes | 1 front water hole + 1 side water hole for efficient dust removal and heat dissipation |
- Superior Wear Resistance : High quality tungsten carbide buttons with semi ballistic cutting design ensure strong rock breaking capacity and extended service life.
- Optimized Drilling Efficiency : Reasonable button layout and dual water hole design accelerate rock debris removal, maintaining stable and fast drilling speed.
- User Friendly for Short Hole Drilling : Ideal for underground tunneling and drifting scenarios, reducing repeated disassembly and assembly to save working time.
- Wide Compatibility : Standard R25 thread and skirt structure fit perfectly with mainstream light duty top hammer drill rods, easy to install and replace.
- Underground tunnel drifting
- Mine tunneling engineering
- Dimensional natural stone quarrying
- Light duty top hammer drilling equipment
- Daily rock drilling and blasting hole construction
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