| 摘要 |
PROBLEM TO BE SOLVED: To provide a wheel nut wrench and a method for manufacturing the same, which improve the strength of a nut fitting part even when facilitating machining using a pipe made of carbon steel material such as S45C as material.SOLUTION: The wheel nut wrench is configured to use a pipe-like steel tube and provided with the nut fitting part in at least one end, a nut fitting outline part formed into a rectangular shape in both an inner circumference and an outer circumference is provided on the end of the steel tube, a sleeve formed into a cross-sectionally hexagon shape made of a steel plate is pressed into the nut fitting outline, and one part of the nut fitting outline is deformed toward the sleeve, integrating the nut fitting part and the sleeve. |
