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

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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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