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ISO 10642

Hexagon socket countersunk head screws

Still valid from this record
Head · drive
Countersunk (flat) head · Hexagon socket (Allen)
Thread
Metric ISO coarse thread · 6g
Steel
8.8 · 10.9 · 12.9
Stainless
A2 · A4
Cross-references
DIN 7991
equivalent
UNI 5933
national · IT
DIN 7991
replaces
Why no table here

The source table for this standard does not match the official ISO 10642:1997 preview (dk, k, s differ) — it reflects the older DIN edition, so no table is published here.

The source publishes one identical table for DIN 7991, ISO 10642.

Status source: fasteners.eu · Accessed 2026-09-23
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