Where does the size of the dispensing firing pin refer to
Dec 13, 2022
The size of the inside and outside diameter of the needle.
Use a number and a letter G to identify the size of the needle. At the same time, in order to distinguish the size of needles more easily, different types of needles are produced with different colors of bases. This is the national standard and unified specification. The same size of the needle, there are different lengths, the regular 1 inch, also increased length.
