| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricant for a screw, when being applied to an earth bolt, capable of securing sufficient conductivity, and free from the generation of sticking between the earth bolt and a washer and corotation.SOLUTION: Provided is a lubricant for a screw obtained by dispersing water-soluble wax with a grain size of 1 μm or lower into water free from resin components. Antirusts and coating materials for discrimination can be incorporated therein in addition to the water-soluble wax. Further, as the water-soluble wax, polypropylene wax can be used.SELECTED DRAWING: Figure 2 |
