Most screws are made of some metal or another.
Most screws are made of some metal or another.
The most common method is with one or more screws or nails. Wood screws are especially made for the purpose. But screws and nails are not the only option. They can be bolted or pinned together, for example. with a bolt
Self tapping screws are made by a few steps. You have to made the medal and then put in the details.
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.
alloy and alumina
Injection batched moulding
No. Screws are machine made, they are steel or sometimes plastic. How could you possibly think they are natural.
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.
Most likely yes, rusty screws probably can cause tetanus
Some are but screws are made of all different kinds of metal.