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The SP580 Shank DTH Drill Bits from YKDrill are specially engineered for high air pressure down-the-hole drilling applications, delivering exceptional drilling efficiency and durability in hard and abrasive rock formations.
Available in 140mm, 146mm, 152mm, 165mm, and 178mm diameters with multiple face designs—Convex, Flat, and Concave—these bits are widely used in mining, quarrying, geothermal drilling, and large-diameter foundation projects.
| Head Shape | Head Diameter (mm) | Shank Length (mm) | Spline | Port Holes | Button Type (Optional) | Gauge Buttons | Front Buttons | Weight (Kg) |
|---|---|---|---|---|---|---|---|---|
| Convex Face | 140 | 185 | 10 | 2 | Domed + Ballistic | 7 × Ø18mm | 4 × Ø15mm + 3 × Ø14mm | 13.2 |
| Flat Face | 146 | 185 | 10 | 2 | Domed | 8 × Ø18mm | 8 × Ø14mm | 13.9 |
| Flat Face | 152 | 185 | 10 | 2 | Domed + Ballistic | 8 × Ø18mm | 8 × Ø14mm | 14.3 |
| Flat Face | 165 | 185 | 10 | 2 | Domed + Ballistic | 8 × Ø18mm | 9 × Ø14mm | 16.3 |
| Concave Face | 178 | 185 | 10 | 2 | Domed | 8 × Ø18mm | 6 × Ø16mm + 5 × Ø14mm | 17.8 |
✅ SP580 Shank – Compatible with standard high-pressure DTH hammers, offering strong and reliable hammer-to-bit connection.
✅ Multiple Face Designs – Choose from Convex, Flat, or Concave face to suit various ground conditions.
✅ High-Grade Carbide Buttons – Domed and ballistic buttons offer the perfect balance of penetration speed and wear resistance.
✅ Optimized Flushing System – Dual air holes provide smooth cuttings evacuation and cooling.
✅ Robust Structure – Made of heat-treated alloy steel, ensuring superior strength and extended bit life.
✅ Large Diameter Options – Up to 178mm for large borehole drilling in foundation and piling projects.
⛏️ Mining & Quarrying – For high-efficiency blast hole drilling.
🏗️ Construction & Foundation – For piling and anchoring holes.
💧 Water Well & Geothermal – For deep and wide well drilling.
🪨 Hard Rock Formation Drilling – Suitable for granite, basalt, limestone, etc.
Packaging: Standard export wooden boxes
Lead Time: 5–10 working days after order confirmation
MOQ: 2 pieces
Shipping: By sea, air, or international express (DHL, FedEx, UPS)
🏭 Over 15 years of manufacturing experience
📐 OEM/ODM customization supported
🧪 Strict quality control with 100% inspection
🌐 Exported to 40+ countries
💬 Professional technical support and after-sales service
Need reliable and durable DTH bits for high-pressure drilling? Contact us now for pricing, catalog, or customized solutions.
💼 Company: YKDrill
📧 Email: ykdrill@ykdrill.com
🌐 Website: www.ykdrill.com
