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| SD: | |
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SD4 SD6 SD5 SD8 SD10 SD12
QIDELI
QDL-SD
Advantages and characteristics
1. Strict supplier quality management, the use of high-quality steel and hard alloy, warhead service life is long.
2. Using high-quality raw materials and advanced processing techniques for superior performance.
3. The head shape distribution is scientific and diverse, which can complete the construction work of the whole terrain and all directions.
4. Manufacturers direct sales, according to your actual work situation to provide you with a more suitable bit structure.
5. 20 years of profound production experience, ensuring reliable quality.Exported to over 40 countries, highly recognized internationally.
6. A customer repurchase rate of up to 98%, a trusted choice.
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD4 | 凸面 Convex Face | 108 | 260 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 7×Ø16 | 6×Ø1 4 | 9 |
| 凸面 Convex Face | 115 | 260 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 7×Ø16 | 6×Ø14 | 9.3 | ||
| 凸面 Convex Face | 127 | 260 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 8×Ø16 | 4×Ø14+3×Ø13 | 10.3 | ||
| 凸面 Convex Face | 130 | 260 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 8×Ø16 | 4×Ø14+3×Ø13 | 10.5 | ||
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD5 | 凸面 Convex Face | 140 | 259 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 7×Ø18 | 4×Ø13+5×Ø14 | 15 |
| 平面 Flat Face | 146 | 259 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 8×Ø18 | 8×Ø14 | 15.8 | ||
| 平面 Flat Face | 152 | 259 | 8 | 2 | 球齿+弹头齿Spherical+Ballistic | 8×Ø18 | 8×Ø14 | 16.1 | ||
| 凹面 Concave Face | 165 | 259 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 4×Ø16+4×Ø14 | 18.2 | ||
| 凹面 Concave Face | 178 | 259 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 6×Ø16+5×Ø14 | 19.6 | ||
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD6 | 凹面 Concave Face | 154 | 322 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 4×Ø16+4×Ø15 | 25 |
| 平面 Flat Face | 165 | 322 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 8×Ø16 | 25.8 | ||
| 凹面 Concave Face | 171 | 322 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 6×Ø16+4×Ø15 | 27.3 | ||
| 凹面 Concave Face | 178 | 322 | 8 | 2 | 球齿 Spherical | 8×Ø18 | 6×Ø16+5×Ø15 | 28.2 | ||
| 凹面 Concave Face | 190 | 322 | 8 | 3 | 球齿 Spherical | 9×Ø18 | 6×Ø16+5×Ø15 | 29.4 | ||
| 凹面 Concave Face | 203 | 322 | 8 | 2 | 球齿 Spherical | 10×Ø18 | 8×Ø16+6×Ø15 | 32.5 | ||
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD8 | 凹面 Concave Face | 203 | 321 | 8 | 2 | 球齿 Spherical | 10×Ø18 | 4×Ø18+10×Ø16 | 41.3 |
| 凹面 Concave Face | 216 | 321 | 8 | 2 | 球齿 Spherical | 10×Ø18 | 4×Ø18+10×Ø16 | 45 | ||
| 凹面 Concave Face | 230 | 321 | 8 | 2 | 球齿 Spherical | 12×Ø18 | 12×Ø18+8×Ø16 | 47.8 | ||
| 凹面 Concave Face | 235 | 321 | 8 | 2 | 球齿 Spherical | 12×Ø18 | 12×Ø18+8×Ø16 | 48.4 | ||
| 凹面 Concave Face | 254 | 321 | 8 | 2 | 球齿 Spherical | 12×Ø18 | 12×Ø18+8×Ø16 | 55.3 | ||
| 内凹面 Concave-Convex Face | 275 | 321 | 8 | 2 | 球齿 Spherical | 12×Ø18 | 27×Ø16 | 62 | ||
| 内凹面 Concave-Convex Face | 305 | 321 | 8 | 3 | 球齿 Spherical | 15×Ø18 | 35×Ø16 | 70.5 | ||
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD10 | 内凹面 Concave-Convex Face | 254 | 356 | 8 | 2 | 球齿 Spherical | 12×Ø19 | 8×Ø18+19×Ø16 | 83.2 |
| 内凹面 Concave-Convex Face | 275 | 356 | 8 | 2 | 球齿 Spherical | 12×Ø19 | 8×Ø18+20×Ø16 | 87.7 | ||
| 内凹面 Concave-Convex Face | 305 | 356 | 8 | 3 | 球齿 Spherical | 15×Ø19 | 27×Ø18+8×Ø16 | 97.5 | ||
| 内凹面 Concave-Convex Face | 325 | 356 | 8 | 3 | 球齿 Spherical | 15×Ø19 | 27×Ø18+9×Ø16 | 106 | ||
| 内凹面 Concave-Convex Face | 350 | 356 | 8 | 4 | 球齿 Spherical | 16×Ø19 | 32×Ø18+14×Ø16 | 115.3 | ||
| 内凹面 Concave-Convex Face | 400 | 356 | 8 | 4 | 球齿 Spherical | 16×Ø19 | 40×Ø18+25×Ø16 | 140.7 | ||
| 钻头规格 Specification | 头部形状 Head shap | 钻头头部直径(mm) Head Diamete | 尾柄长度 Shank tenath | 花键数 Spline | 排气孔数量 Port holes | 齿形 Button Type | 边齿(mm) Gauge Buttons | 芯齿(mm) Front buttons | 重量(Kg) Weight | |
 | SD12 | 内凹面 Concave-Convex Face | 305 | 470 | 8 | 3 | 球齿 Spherical | 15×Ø20 | 27×Ø18+8×Ø16 | 146.5 |
| 内凹面 Concave-Convex Face | 311 | 470 | 8 | 3 | 球齿 Spherical | 15×Ø20 | 27×Ø18+8×Ø16 | 147 | ||
| 内凹面 Concave-Convex Face | 325 | 470 | 8 | 3 | 球齿 Spherical | 15×Ø20 | 27×Ø18+9×Ø16 | 156 | ||
| 内凹面 Concave-Convex Face | 350 | 470 | 8 | 4 | 球齿 Spherical | 16×Ø20 | 32×Ø18+13×Ø16 | 166 | ||
| 内凹面 Concave-Convex Face | 381 | 470 | 8 | 4 | 球齿 Spherical | 16×Ø20 | 36×Ø18+19×Ø16 | 184 | ||
| 内凹面 Concave-Convex Face | 400 | 470 | 8 | 4 | 球齿 Spherical | 16×Ø20 | 40×Ø18+28×Ø16 | 199 | ||
| 内凹面 Concave-Convex Face | 445 | 470 | 8 | 4 | 球齿 Spherical | 20×Ø20 | 48×Ø18+25×Ø16 | 237.5 | ||
| 内凹面 Concave-Convex Face | 500 | 470 | 8 | 4 | 球齿 Spherical | 24×Ø20 | 90×Ø18 | 293 | ||
How to order ?
1.Contact Us:
Click the WhatsApp icon to chat.
2.Confirm Details:
Verify specs, quantity, price via WhatsApp.
3.Agree on Terms:
Clarify FOB/CIF & payment method.
4.Review Documents:
Check proforma invoice & contract.
5.Make Deposit:
Pay to start production.
6.Finalize Payment & Ship:
Pay balance, we'll arrange shipment.
7.Clearance Docs:
We'll provide necessary documents.
Follow these steps & reach out via WhatsApp for any questions. We're here to help!
