GQL Series
Product Center
GQL Series
Product Center
GQL Series
The GQL series DTH drill bits are exclusively designed to match GQL series valve‑type DTH hammers. Featuring a QL‑series structural design, they are compatible with corresponding drill‑bit systems and operate effectively under air pressures of 1.0–2.4 MPa. Constructed with a high‑quality alloy‑steel matrix and equipped with high‑toughness tungsten carbide ball teeth, these bits leverage precision machining and advanced heat‑treatment processes to ensure efficient transmission of impact energy. They are well suited for medium‑hard to hard rock formations such as limestone, granite, and basalt, and are widely employed in mining operations, geotechnical support for transportation infrastructure, water‑well drilling, and soil‑and‑rock remediation projects.
The GQL series high‑pressure downhole hammer features a QL‑series structural design, compatible with drill‑tool systems of the same specification. It employs a proven valve‑type air‑distribution mechanism and is suited to operating pressures ranging from 1.0 to 2.4 MPa. Relying on a stable, reliable air‑distribution system and an optimized piston‑impact mechanism, it efficiently converts pneumatic energy into impact kinetic energy. When used in conjunction with the GQL series’ dedicated downhole drill bits, it delivers exceptional performance. This product is widely applied in open‑pit mining, support for transportation infrastructure, water‑well drilling, and geotechnical borehole operations, and is capable of handling medium‑hard to hard rock formations such as granite, limestone, and basalt, balancing versatility with sustained operational reliability.
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Address : No. 1403 and No. 1405, Xianyue Huan Road, Tianyuan District, Zhuzhou City, Hunan Province China
Sales Hotline : +86 19083069638
Customer Service Hotline : +86 731 22530680
WhatsApp : +44 7536353814
WhatsApp : +86 18973382314
Email : info@cinda-tec.com
Website : http://www.cinda-tec.com
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