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  • Code No.: QL80-222:
  • Diameter: 222mm:
  • Air Holes No.: 2:
  • Gauge Buttons: 10*18mm:
  • Face Buttons: 8*18+6*16mm:
  • Face Design: Convex face:
  • Carbide Design: Dome:
  • Approx. Weight: 49KGS::



Product details

Rock drilling tools manufacturer ProDrill supplies DTH Drill Bits with QL shank type are available in a wide range of sizes and with a number of custom design features for optimum performance in a rock formation which have been designed to match all conceivable applications for stone quarrying, water well industries, mining and construction.

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


Double Gauge Row face
A special design of rock drill bits for hard or very hard rock conditions, double gauge row buttons provide very excellent ware-resistance and very longer life time. It is usually used for some bigger diameter DTH bits.


Dome/Hemispherical Buttons

Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation

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