DTH Bit-QL40-127 for deep hole water well drilling
DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance.
DTH hammer bits are designed for maximum performance and hole
ProDrill Manufacture and supply of DTH hammer and DTH bits, DTH pipe ( tube ), DTH sub adapters, RC hammers, bits, drill rods, spares and equipment, drilling consumables for deep hole water well and larger diameter blasting bore hole surface drilling.
DTH Bit-QL60-170 for deep hole water well and large diameter surface hole drilling
- Code No.: QL40-127
- Diameter: 127mm
- Air Holes No.: 2
- Gauge Buttons: 9*16mm
- Face Buttons: 9*14mm
- Face Design: Convex Face
- Carbide Design: Dome
- Approx. Weight: 11.5KGS
Convex Face
For high penetration rates in soft to medium-hard with low to medium air pressures.It‘s the most resistance to steel wash,and may reduce the load and wear on the gauge buttons,but poor hole deviation control.