To solve the problem that a conventional clamp (piping support metal fitting) causes a rise of the bolt thrust force for a short time through a specific stress release of a compressed resin when a product to clip a pipe is a resin products, and to solve the problem that the same phenomenon occurs due to wear-out through the friction when it is a metal product.

A clamp raises an axial tension by a product using metal, a laminated reinforced wood, a laminated reinforced bamboo or a resin product with hardness for part of the main part of a resin body pinching a pipe. The long repulsive article such as a spring is used for both of the product pinching the pipe and a top plate and can delay the metal fatigue as the maintainability is high when the stable repulsive stress is loaded for a long period. Moreover, the locking function not to loose a tightening bolt is maintained by the vibration of the atmosphere.