Classification of neutral pens
Folding head type
The bullet type
If we look closely at the tips of these neutral pens, they look like bullets.In the manufacturing
In the process, we cut an original rod into a complete head by metal cutting.The bullet type
Suitable for the manufacture of thicker pen head, more on the market is 0.5MM, the thickest can reach 1.2.
The needle type
Usually, we call this type of pen "full needle".It is the key area with the bullet tip
Don't just think it's wrong
The cutting method is machined.Before being processed into a pen head, it is a complete thin tube that passes precisely
The instrument from three directions in the thin tube in the front of three concave points, forming a ball bead bowl;The back thin tube
A triangular oil groove.Ink flow through the oil groove, and then through the ball ball rolling out of the ink, the end
The process of writing.The needle type is suitable for making fine tips, such as 0.30, 0.25, etc.
Half the needle
The half - needle is between the bullet and the needle, the appearance is more beautiful.The tip of the pen can be followed
The needle is as thin as the needle, and the tip of the pen is as big as the tip of the bullet.Half - needle type can be manufactured
Relatively thin tips, such as 0.48, 0.35, etc.
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