Machine Screws
Metal Thread Machine Screws are often used with nuts as well as driven into tapped holes. They might be considered a screw, a bolt or a stove bolt
Mostly available in smaller sizes in 304 & 316 grade Stainless Steel or Zinc plated:
Pan Head
Mushroom Head
Cheese Slot
Countersunk - Philips Drive - Slot Drive - Post Hex
Button Head - Socket - Post Torx - Post Hex
Cup Point
Socket Head Cap
Flat Head Countersunk Hex Socket
Socket Head Cap