1. Coated Composite Drill Bit High processing efficiency We all know that in the past traditional thread processing, there are taps, die, turning and other ways. The thread of turning is restricted by the actual production. Whether it is the thread of large caliber or the thread on the slender shaft

The informatization and networking barriers in the continuous construction support the high-profile development of the domestic tool industry, and at the same time, the impact on the environment has made the tool market in my country show new characteristics - fast and networked.The unavoidable Inte

The main components of alloy drill bits are tungsten carbide, cobalt and so on. Alloy drill bits generally refer to hard alloy drill bits, which are divided into integral type, welded type, indexable blade type and replaceable head type. The main components of cemented carbide are tungsten carbide,