DIN 7991 · M6 · kmax.

For DIN 7991, size is M6; dimension that differs is kmax; iso standard is ISO 10642; din value is 3.3; iso value is 3.72, verified against its source on 2026-10-12.

What the source says

ISO standard, DIN value and ISO value

The source prints these values inside the passage below but does not name them there. The passage shows where each one appears; what ties them to this record is the position on the page, not anything the passage says.

Thread M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M8 ISO 10642 – – – 6.72 – 8.96 11.2 13.44 17.92 dk max. DIN7991 – – – 6 – 8 10 12 13 ISO 10642 – – – 1.86 – 2.48 3.1 3.72 4.96 kmax. DIN 7991 – – – 1.7 – 2.3 2.8 3.3 4.4

— wurthindustry.ca, retrieved 2026-09-22

Source

• wurthindustry.cahttps://www.wurthindustry.ca/media/downloads/wic_pdfs/Fasteners_DIN-EN-ISO_Standards.pdf

Last verified against source: 2026-10-12. Due for re-check by 2029-10-11. This page as Markdown · OKF bundle · full dataset as JSON.