The odd one out is C, needle. The other four items are all tools used to fasten or join things together, while a needle is used for sewing.
A screw is a thin, cylindrical piece of metal with a spiral groove on its outside that fits into a matching groove in a piece of wood or other material. When the screw is turned, it forces its way into the material and creates a tight joint.
A hammer is a tool with a heavy head and a handle, used for driving nails into wood or other materials.
A pin is a small, thin piece of metal with a pointed end, used for fastening or holding things together.
A nail is a thin, pointed piece of metal with a head, used for fastening things together by driving it into wood or other materials.