Needle-Type Tungsten Carbide Drill Features

Needle-type tungsten carbide drill refers to sintered tungsten carbide drill bit welded onto a blank drill, which consists of needle-like alloy, a carcass and a drill bit body composed of three parts. Needle-type tungsten carbide drill features are significant as compared with conventional carbide drill bit, it has the following features:

Firstly, needle-type tungsten carbide drill features reflected in multiple blades. When drilling, rock has freer surface conducive tungsten carbide drill to drill rock.

Secondly, needle-type tungsten carbide drill features reflected in long service life. Compared with conventional carbide drill bits, needle-type tungsten carbide drill last longer. The reason is that needle-type tungsten carbide drill lip areas remain unchanged until the needle alloy mill last. Needle-type tungsten carbide drill blunt problem does not exist, therefore the penetration rate stability, long bit life.

Finally, needle-type tungsten carbide drill features reflected in the package insert needle alloy firm, so the alloy is not easy caving.


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