Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.

Has a spring reaction force comparable to the axial force of a fastened screw, helping prevent screws from coming loose due to vibration, shock, etc. Furthermore, by reducing pressure on the seating surface, it is possible to eliminate deterioration of the member piece being fastened, producing a stable fastening axial force.