Screw made of high-strength composite material and high-strength capped screw made of high-strength composite material

A screw made of a high-strength composite material, comprising:

• a head, with a first end, a second end, and a first containing portion disposed in the head, and an opening of the first containing portion being formed at the second end of the head, and the head being made of a first material which is plastic, fiber, rubber and or silicone;
• a thread, with a first end, a second end, and a second containing portion disposed in the thread, and an opening of the second containing portion being formed at the first end of the thread, and the first end of the thread being coupled to the second end of the head, and the first containing portion of the head and the second containing portion of the thread forming a space, and the thread being made of the first material;
• and
• an enhanced post body, contained in the first containing portion and the second containing portion, and made of a second material which is metal.