description:Compared with welded gun drills, solid carbide gun drills have no welding points on the drill pipe and the drill bit. The drill bit and drill pipe are made of a whole tungsten steel bar by grinding together, which has higher strength and higher accuracy.
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Compared with welded gun drills, solid carbide gun drills have no welding points on the drill pipe and the drill bit. The drill bit and drill pipe are made of a whole tungsten steel bar by grinding together, which has higher strength and higher accuracy.