| 摘要 |
PROBLEM TO BE SOLVED: To provide a screw-hole-provided screw that has an additional function which can fasten a fastening object by a sub screw which is screwed into a screw hole formed in a main screw, and is hard to give a main screw the influence by the operation of tightening/loosening the sub screw.SOLUTION: A screw-hole-provided screw 1 includes an engagement part 11 for screw rotation in a screw head 10, and a screw hole 12 formed in the screw head 10. The screw hole 12 is formed eccentrically from the central axis of the screw. |
