This standard specifies the structure and dimensions of MJ threaded double-lug support plate self-locking nuts. This standard applies to mechanical connections. The conditions for the use of nuts are as follows:
——when the temperature is not higher than 350°C, used in conjunction with copper-plated bolts;
——when the temperature is higher than 350°C, used in conjunction with silver-plated bolts.
HB 8054-2002 history
2003HB 8054-2002 Self-locking two-lug anchor nuts with MJ thread