Self tapping screws are made by a few steps. You have to made the medal and then put in the details.
Injection batched moulding
Most screws are made of some metal or another.
No. Screws are machine made, they are steel or sometimes plastic. How could you possibly think they are natural.
Most screws are made of some metal or another.
Oxygen and acetylene hose fittings are made with different screws to prevent connecting the wrong gas to the hoses.
Screws need to be harder so they will not twist off when you apply torque to them.
Some are but screws are made of all different kinds of metal.
out of ur mama Out of screws, and nuts, and metal and paper
yes,anything made of iron is magnetic
metal....N.A metal....N.A
The most common screws are steel, which is made from iron. Screws manufactured for special purposes are made from other metals, including aluminum, brass, bronze, copper, stainless steel, and titanium. Some screws may contain alloys of more than one metal, and steel screws may be plated with zinc, nickel, copper, etc.