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DTH Bit-QL40-127

  • Code No.: QL40-127:
  • Diameter: 127mm :
  • Air Holes No.: 2 :
  • Gauge Buttons: 8*16mm :
  • Face Buttons: 7*13mm :
  • Face Design: Convex face:
  • Carbide Design: Dome :
  • Approx. Weight: 11.5KGS:

DTH Bit-QL40-127

DTH Bit-QL40-127

Product details

Rock drilling tools factory ProDrill produces DTH Drill Bits with QL shank type are available in a various range of sizes and with a number of custom design features for optimum performance in a rock formation.

Rock drill bits Shank type: QL40, QL50, QL60, QL80 ; and DTH hammer bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-350mm).

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.


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