Different Kind Screw Nails Making Machine

There are many kind of screws,to make common
screws,it is the simplest.a cold heading machine and threading rolling
machine is ok,then you can make the common wood screws.please see the
picture of this kind screw:

If you want to make the following kind of screws:

Then
besides the cold heading machine and thread rolling machine,you also
need to add the screw pointer gripper machine,one gripper machine speed
is 4 times of the cold heading machine,so usually one line to make this
kind screw nails is usually :1 set gripper machine,4 sets cold heading
machine,3 sets threading rolling machines.this can achieve the biggest
output and most profit.

Also if you want to make the screw to be
black,silver or gold color,then galvanization line is needed.The
difference is the solution of this line.by choosing different of the
chemicals,the screws can turn to different colors.

Concerning for
the raw materials,for common wood screws,the material is 08AL,and for
black drywall screws ,the materials is C1022,it also needs heat
treatment equipments to make it hard enough.

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