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[Technical Column] Differences Between Old and New Standards for Tolerance Class and Screw Grades

Differences in tolerance ranges lead to the existence of grades! An explanation of the differences between old and new screw grades.

Screws have grades due to differences in tolerance ranges. However, the old standards are still strongly present in the field, which can lead to troubles during product acceptance. Additionally, if you do not check your company's inspection standards and management gauges and update them with the latest information, there is a possibility that consistency in screw quality may not be maintained. In this column, we will explain the differences between the old and new screw grades and the background of their mixing. *For detailed content of the column, you can view it through the related links. For more information, please feel free to contact us.*