Concave Face DTH Rock Drill Bit with Tungsten Carbide Bullet Teeth - 25mm Head Diameter for Piling Rig Applications
High-performance concave face DTH rock drill bits featuring tungsten carbide bullet teeth for demanding piling rig and foundation drilling applications. Engineered for coal mining, rock boring, and geotechnical operations.
- Tungsten carbide inserts brazed into steel body for extreme wear resistance and impact durability
- Heat-treated steel trunnion body supports carbide blades and protects pick box
- Sintered tungsten carbide with cobalt binder construction for optimal performance
| Model | Carbide Head Dia. (mm) | Shank Dia. D1 (mm) | Shank Dia. D2 (mm) | Max Dia. D (mm) | Tooth Height H1 (mm) | Total Height H (mm) |
|---|---|---|---|---|---|---|
| KPCS251-4463-89223-1 | 25 | 43.5 | 35 | 63 | 89 | 223 |
| KPCS221-4463-02234 | 22 | 43.5 | 35 | 63 | 102 | 234 |
| KPCS252-4463-14246 | 25 | 43.5 | 35 | 63 | 114 | 246 |
| Model | Carbide Head Dia. (mm) | Shank Dia. D1 (mm) | Max Dia. D (mm) | Tooth Height H1 (mm) | Total Height H (mm) |
|---|---|---|---|---|---|
| KPC161-2545-65131 | 16 | 25 | 63 | 65 | 131 |
| KPC132-3051-86162 | 13 | 30 | 63 | 86 | 162 |
| KPC192-3051-85158 | 19 | 30 | 63 | 85 | 158 |
Commonly used in shearers, road headers, and milling machines for cement road applications.
Designed for use in shearers and road-headers with enhanced durability.
Ideal for planer applications on asphalt roads and similar surfaces.
Kelleg is a market-oriented enterprise specializing in geotechnical anchoring solutions. We integrate R&D, design, procurement, sales, and customer service to provide comprehensive system solutions, product supply, and technical support.
We generally have no minimum order quantity requirements.
100% strict inspection and testing for every order before packing.
1-3 days for products in stock; regular orders delivered within 2-3 weeks.
Our sales team responds within 24 hours (holidays excluded). Technical support available at any time. Free replacement provided for confirmed quality-related failures.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.