This standard BS EN ISO 5829:2021 Resistance spot welding. Electrode adaptors, female taper 1:10 is classified in these ICS categories:
25.160.30 Welding equipment
This International Standard specifies the dimensions and tolerances of resistance spot welding electrode adaptors where the fixing element for the cap is a female taper (male electrode cap, see ISO 5830) and for which the electrode taper fits conform to ISO 1089.