News & insight
Do ISO 4753 end‑forms change the strength or performance of a bigHead stud (M1/ SM1) product?
15 May 2026
No. ISO 4753 end-forms do not affect weld load limit (WLL), fixing load limit (FLL) or recommended tightening torque values.
All performance characteristics for end-form customisations are inherited from the standard M1/SM1 product. The end‑form affects physical behaviour, not structural capacity.