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DHD340A Shank DTH Drill Bits from YKDrill are designed for high-efficiency drilling in medium to hard rock formations. With a convex face design and a combination of spherical + ballistic carbide buttons, these bits ensure excellent penetration rates, durability, and stable borehole control.
Available in 108mm to 130mm diameters, the DHD340A series is widely used in mining, quarrying, water well drilling, geothermal projects, and civil engineering.
| Head Shape | Head Diameter (mm) | Shank Length (mm) | Spline | Port Holes | Button Type | Gauge Buttons | Front Buttons | Weight (Kg) |
|---|---|---|---|---|---|---|---|---|
| Convex Face | 108 | 209 | 8 | 2 | Spherical + Ballistic | 7 × Ø16mm | 6 × Ø14mm | 7.85 |
| Convex Face | 115 | 209 | 8 | 2 | Spherical + Ballistic | 7 × Ø16mm | 6 × Ø14mm | 8.22 |
| Convex Face | 127 | 209 | 8 | 2 | Spherical + Ballistic | 8 × Ø16mm | 4 × Ø14mm + 3 × Ø13mm | 8.88 |
| Convex Face | 130 | 209 | 8 | 2 | Spherical + Ballistic | 8 × Ø16mm | 4 × Ø14mm + 3 × Ø13mm | 9.15 |
✅ DHD340A Shank – Compatible with most DHD340A series hammers
✅ Convex Face Design – Optimized for fast penetration in hard rock
✅ Spherical + Ballistic Buttons – Balance between durability and cutting speed
✅ Dual Air Flushing Ports – Ensures better cleaning and cooling efficiency
✅ High-Strength Alloy Steel – Heat-treated for extended service life
✅ Precision Machining – Improves energy transfer and borehole straightness
⛏️ Mining & Quarrying – Blast holes and bench drilling
💧 Water Well Drilling – Reliable in small-to-medium borehole drilling
🌡️ Geothermal Energy – Adapted for hot, abrasive conditions
🏗️ Civil Construction – Foundation piling and ground reinforcement
📦 Packaging: Wooden case or steel rack
📌 MOQ: 2 pieces
⏱️ Lead Time: 5–10 working days
🚢 Shipping: By sea, air, or express
🏭 Direct Manufacturer – 15+ years in DTH drilling tools
📐 Customization – Face type, button shape, flushing holes available
🔍 Strict QC – 100% inspection before delivery
🌍 Global Supply – Exported to 40+ countries
💬 Fast Support – Quick technical and after-sales assistance
Looking for reliable DHD340A DTH drill bits? Get in touch with YKDrill today for competitive prices and professional solutions.
💼 Company: YKDrill
📧 Email: ykdrill@ykdrill.com
🌐 Website: www.ykdrill.com
