| 摘要 |
PURPOSE: A nut having a dice groove is provided to unfasten a nut when the nut and a bolt are adhered to each other because paint flows into a minute gap in a portion where the nut and the screw are coupled in painting. CONSTITUTION: A nut having a dice groove comprises a nut body(1). A plurality of dice grooves(6) is formed in an upper surface(2) or a lower surface(3) of the nut body. The dice groove is formed to be penetrated at a constant depth to a direction where the nut body is unfastend or fastened in the outer circumference of the nut body and the inner circumference of the screw unit formed in the nut body.
|
