The electric coal drill rod of the drill pipe supplier is also called a twist drill rod, which is named after its own rod body is twisted in a twist shape.
 
Drill is the drill used by masons to hit stones in the past. Generally, when masons do work, they hold the hammer in one hand and the drill in the other.
 
The drill rod usually refers to a straight hollow hexagonal shape, and is generally equipped with a flat drill bit, a cross drill bit, etc.
 
The drill bit is used to drill things. In order to work, the drill bit must be fixed on the drilling rig. You are welcome to come and buy. Drills have a drill bit, a drill tail and a drill rod. The general drill is 10--25 cm long.
 
In addition to the drill bit, the drill tail, is the drill rod. The head of the drill should not be very sharp, so as not to wear too fast, but it should not be too blunt, so as not to affect the quality of work. Quality assured, live with it. There are many different lengths and thicknesses, small ones like embroidery needles, large ones like rolling pins.

Electric coal drills are generally twist-type. Generally, the electric coal drill pipe is also considered to be a kind of drill rod. This drill rod is often equipped with a water well drill pipe. There are also many kinds of drill rod materials, and the 55SiMoV commonly used in the current national standard products is used by Yenan drill tools.
 
Drill rods are also more than minutes, including anchor rods, drill rods, etc.