Welcome: Ningbo Bloom Machinery Co.,Ltd.

DTH Bit-QL60-203

Code No: QL60-203
Diameter: 203mm
Air Holes No: 2
Gauge Buttons: 10*18mm
Face Buttons: 8*16+5*16mm
Face Design: Concave face
Carbide Design: Dome
Approx. Weight: 33KGS

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Rock drilling tools factory Bloom 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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Contact: Chris Li

Phone: 13867850196

E-mail: sales@bloommachinery.com

Whatsapp:+86 13867850196

Add: Hehua Bridge, Yunlong Town, Yinzhou Distric, Ningbo City, ZheJiang Province