This 40mm diameter drill bit is manufactured from high-grade hard alloy and special steel, designed for use with light-duty rock drills to create rock holes up to 50mm in diameter. Ideal for applications in metallurgy mines, geological exploration, water conservancy construction, electricity projects, traffic infrastructure, tunneling, quarrying, and national defense stone projects.

• High performance in hard rock conditions
• Easy to install and use
• Simple maintenance and repair

Rock drilling, mining operations, construction projects, quarrying, water well drilling, and similar industrial applications.

Hebei Minetech Machinery Technology Co, Ltd. is a joint venture enterprise with European partners, headquartered in Shijiazhuang City, Hebei Province, China. Specializing in manufacturing and exporting mining machinery, including hydraulic and pneumatic drill machines, roof bolters, and drilling consumables like drill bits and rods.

With over a decade of experience, professional engineers, and a dedicated sales team, we provide complete solutions for mining machinery. Our products are exported to more than thirty countries across Southeast Asia, Europe, Africa, and the Americas, establishing a strong international reputation.