FAQ
Is the tail screw? If it is mainly used in what place? If not what are they different?
This kind of screw called what I really do not know its name, the use of the place to see ...
Why should the screw twist clockwise?
Because the screw on the original flute is the clockwise direction of it...
What is the meaning of the screw and the 4 and 8?
Strength grade 4.8, nominal tensile strength of 400MPA products, yield strength 320 (nomin...
What is the invention of the screw?
Screws Today, many things are screwed together. Look around the house, the eyes see all ki...
What is a screw? What is a nail? What is the concept? What is the difference!
Screws, screws luódīng, luósīdīng [Screw] Small cylindrical or conical metal rods with thr...
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