High-performancePDC Roof Bolting Bits is a specialized roof bolting drill bit designed for underground coal mine and tunnel support operations. Equipped with high-quality PDC cutters, it delivers fast and accurate drilling in hard rock formations to ensure reliable roof and wall anchoring.

Key Features

• Compact and robust design for confined underground spaces
• High-quality PDC cutters for fast penetration and long service life
• Available in standard and reinforced types, 2-wing and 3-wing designs
• Common diameters: Φ25, Φ26, Φ27, Φ28, Φ29, Φ30, Φ32, Φ36, Φ42mm
• Custom thread and water eye configurations available

Applications

Coal mine roof bolting, tunnel anchoring, rock support drilling, and underground construction.

Why Choose Hongyue Drill

Hongyue Drill has rich experience in PDC roof bolting bit manufacturing and provides reliable products for mining customers worldwide. Contact us for customized solutions.