FASTENING TOOL FOR EASILY DEMOUNTABLE BOLT AND ITS METHOD FOR USE

摘要

PROBLEM TO BE SOLVED: To provide a fastening tool for an easily demountable bolt, capable of overcoming the disadvantage that in fastening the easily mountable bolt having a hollow type structure, a male screw part is shrunk and deformed inward in the radial direction not to be obtainable a strong thread fastening force. SOLUTION: The tool 1 for fastening the easily demountable bolt 50 having a hollow structure has a structure of having a cylindrical strut 3 fitted to a hollow part 16 of the easily demounted bolt 50. COPYRIGHT: (C)2005,JPO&NCIPI