This Part of GB/T 3098 specifies the functional properties for prevailing torque steel nuts when tested at an ambient temperature of 10 °C to 35 °C. It includes a combined test method to determine the prevailing torque properties and the torque/clamp force properties at the same time.
Basic Data
Standard ID
GB/T 3098.9-2020 (GB/T3098.9-2020)
Description (Translated English)
Mechanical properties of fasteners - Prevailing torque type steel nuts
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J13
Classification of International Standard
21.060.20
Word Count Estimation
22,253
Date of Issue
2020-03-31
Date of Implementation
2020-10-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
