Batch quality certificate for SS304 (A2-70) DIN 912 hex socket head cap screws (M8×1.25×25): mechanical properties to ISO 3506-1:2020 — yield strength 584 N/mm² (specified ≥450), tensile strength 730 N/mm² (specified ≥700), elongation 0.42d — plus full chemical composition (Cr 18.25%, Ni 8.01%) and dimensional inspection to DIN 912 / DIN 267. Sampling to ISO 3269:2019; lot, heat number and certificate number traceable. Tested 26 November 2025 — passed.
Every fastener batch ships with its material certification. Example shown; batch certificates for your order are supplied with shipment documents.
Related reading: why 304 stainless fasteners can be slightly magnetic — and why that is not a defect.