PURPOSE: To easily manufacture with a simple structure and further to easily attach additional functions such as positioning of a terminal end for screwing and locking.

CONSTITUTION: This container with screw cap includes a container body 1 having a port 3 and a screw cap 5 to be engaged in the port 3. The screw cap 5 has an inner face with a spiral groove 35 drilled, while the port 3 has an outer face with a protrusion 21 to be screwed with the spiral groove 35.