EN ISO 5821:2009

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Dimensions and tolerances
5 Designation
6 Material
7 Marking
Annex A (normative) - Alternative types and dimensions
        of female electrode caps
Bibliography

ISO 5821:2009 specifies the dimensions and tolerances of resistance spot welding electrode caps, where a female taper is used to fix the cap to an electrode adaptor.ISO 5821:2009 applies only to electrode caps for which the electrode force given for diameters 13 mm, 16mm and 20 mm (taper 1:10) and for diameters 12,7 mm, 15,8 mm and 19,1 mm (taper 1:9,6) is not exceeded.