To provide a fastening means that alleviates temporal constraint of fastening work and prevents an engaged section from being loosened.

A main resin and a curing resin, which are cured by mixing together, are used. Solid main particles 4 formed by the main resin are adhered to at least one screw section of a male screw material and a female screw material by dry spraying using compressed air. Solid curing particles 5 formed by the curing resin are adhered to at least the other screw section of the male screw material and the female screw section by dry spraying using compressed air.