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Patented DTH Bit-QL60-171MM for Mining
- Diameter : 171mm
- Air Holes No. : 3
- Face Design : Convex face
- Carbide size : 24*19mm
- Carbide grade : T6 / YK05
- Usage : Iron ore mining ( South Africa )
- Technology : DTH bit QL60-171mm patent design
- 2024 New designed 6" QL60 DTH hammer with valvless without Inner Cylinder to use patented DTH bit QL60-171 mm , can achieve a certain less 10-15 % drilling cost in Iron Ore mining after years proof. :