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SP680 Shank DTH Drill Bits by YKDrill are designed for high-performance down-the-hole drilling in extreme rock conditions. With a robust SP680 shank, optimized button layout, and available face designs including concave and flat, these bits deliver excellent penetration, long service life, and maximum productivity in large-diameter drilling projects.
Available in sizes from 154mm to 203mm, this series is ideal for applications in mining, construction, foundation piling, and deep well drilling.
| Head Shape | Head Diameter (mm) | Shank Length (mm) | Spline | Port Holes | Button Type (Optional) | Gauge Buttons | Front Buttons | Weight (Kg) |
|---|---|---|---|---|---|---|---|---|
| Concave Face | 154 | 231 | 12 | 2 | Domed | 8 × Ø18mm | 4 × Ø16mm + 4 × Ø15mm | 21.6 |
| Flat Face | 165 | 231 | 12 | 2 | Domed + Ballistic | 8 × Ø18mm | 8 × Ø16mm | 21.8 |
| Concave Face | 171 | 231 | 12 | 2 | Domed | 8 × Ø18mm | 6 × Ø16mm + 4 × Ø15mm | 23.3 |
| Concave Face | 178 | 231 | 12 | 2 | Domed | 8 × Ø18mm | 6 × Ø16mm + 5 × Ø15mm | 24.3 |
| Concave Face | 190 | 231 | 12 | 3 | Domed | 9 × Ø18mm | 6 × Ø16mm + 5 × Ø15mm | 25.5 |
| Concave Face | 203 | 231 | 12 | 2 | Domed | 10 × Ø18mm | 8 × Ø16mm + 6 × Ø15mm | 28.7 |
✅ SP680 Shank Design – Built for strength and hammer compatibility in high-pressure operations
✅ Heavy-Duty Construction – Premium alloy steel body with precision heat treatment
✅ Concave & Flat Face Options – Designed for better centering, fast drilling, and chip evacuation
✅ Optimized Button Layout – High wear resistance and improved cutting capability in hard rock
✅ Large Diameter Range – From 154mm up to 203mm, ideal for large hole and piling applications
✅ Efficient Flushing – 2 to 3 air holes ensure smooth debris removal and cooling
⛏️ Mining & Quarrying – For blast hole and production drilling
🏗️ Foundation Engineering – Deep hole drilling, piling, anchoring
💧 Water Well Drilling – Especially for large-diameter boreholes
🌋 Geothermal & Infrastructure Projects – For deep and high-load drilling
Packaging: Wooden case or steel frame (export standard)
Lead Time: 5–12 working days based on quantity
MOQ: 2 pieces
Shipping: Available by sea, air, or international express (DHL, FedEx, UPS)
✅ Over 15 Years of DTH tooling expertise
🧪 Full Quality Inspection before shipping
📐 Customizable Design for buttons, flushing, face shape
🌐 Exported to 40+ Countries Worldwide
💬 Responsive Sales & Technical Team
Need high-performance large-diameter DTH bits with SP680 shank? Contact YKDrill today for pricing and technical support.
💼 Company: YKDrill
📧 Email: ykdrill@ykdrill.com
🌐 Website: www.ykdrill.com
