| 摘要 |
PROBLEM TO BE SOLVED: To provide a bolt carriable in the state of temporarily joining a nut paired therewith, having reduced manufacturing cost and greatly improved work efficiency in use. SOLUTION: The bolt 1 having a head at one end of a screw shaft part 3 having a male screw is configured to temporarily join the nut N paired with the bolt 1. The bolt 1 includes a temporarily joining screw shaft portion 2 provided on the head and having a male screw to be threaded into the nut N. The diameter and pitch of the temporarily joining screw shaft portion 2 are the same as the diameter and pitch of the screw shaft portion 3 of the bolt 1. COPYRIGHT: (C)2011,JPO&INPIT
|
