alloy
Both # 1 and # 2 phillips screws are very common in electrical fittings.
Some are, specifically those designed for use by electricians. Regular screwdrivers may not be and care should be used if using these on live circuits.
screwdriver
A phillips screwdriver is generally made of a steel shaft with a plastic handle
A screwdriver head is normally made of toughened/hardened steel or chromium plated steel. Depending on the quality of the screwdriver.
The first screwdrivers had a steel shank with wood handle.
The screwdriver is used to tighten and loosen screws.
Velour material is material used to make tracksuits etc.
For a crosshead screw the "Phillips" screwdriver is used .
A slotted screwdriver is properly used as... a screwdriver.
The material is Horse Hair :)
what materials were used to make aboriginal objects