
ISO 5821:2025
ISO 5821:2025 Resistance welding — Spot welding electrodes — Female electrode caps
CDN $125.00
This publication was last reviewed and confirmed in 2025.
Resistance welding — Spot welding electrodes — Female electrode caps
Description
This document specifies the dimensions and tolerances of female electrode caps for resistance spot welding of metallic materials.
Taper dimensions and tolerances of the electrode caps follow the values specified in ISO 1089.
NOTE Electrode caps with locking tapers are addressed in ISO 20168. Male electrode caps are specified in ISO 5830.
Edition
3
Published Date
2026-06-19
Status
PUBLISHED
Pages
11
Format 
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Abstract
This document specifies the dimensions and tolerances of female electrode caps for resistance spot welding of metallic materials.
Taper dimensions and tolerances of the electrode caps follow the values specified in ISO 1089.
NOTE Electrode caps with locking tapers are addressed in ISO 20168. Male electrode caps are specified in ISO 5830.
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