# 965 — Fastener standard equivalences: DIN to ISO / EN crossover For 965, fastener description is Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO); iso equivalent is 7046-1; interchangeability is Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed; modification notes is Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed, verified against its source on 2026-08-12. - **DIN standard:** 965 _(verified: appears in the quote below)_ - **Fastener description:** Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO) _(verified: appears in the quote below)_ - **ISO equivalent:** 7046-1 _(verified: appears in the quote below)_ - **Interchangeability:** Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed _(verified: appears in the quote below)_ - **Modification notes:** Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed _(verified: appears in the quote below)_ ## What the source says > Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO) | 965 | 7046-1 | | 7046 | 7046-1 | 1994-10 | Countersunk flat head screws (common head style) with type H or type Z cross recess – Property class 4.8 | Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed | ## Sources disagree More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from. ### Fastener description fullerfasteners.com says fastener description is **Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO)**, as of 2026-08-12. > Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO) | 965 | 7046-1 | | 7046 | 7046-1 | 1994-10 | Countersunk flat head screws (common head style) with type H or type Z cross recess – Property class 4.8 | Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ monsterbolts.com says fastener description is **Head/countersink geometry.**, as of 2026-08-12. > DIN 965 | ISO 7046 | Check spec Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners trfastenings.com says fastener description is **Cross Recessed Countersunk Flat Head Screws**, as of 2026-08-12. > DIN 965 | ISO 7046 | BS3692 | Cross Recessed Countersunk Flat Head Screws | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### ISO equivalent fullerfasteners.com says iso equivalent is **7046-1**, as of 2026-08-12. > Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO) | 965 | 7046-1 | | 7046 | 7046-1 | 1994-10 | Countersunk flat head screws (common head style) with type H or type Z cross recess – Property class 4.8 | Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ monsterbolts.com says iso equivalent is **7046**, as of 2026-08-12. > DIN 965 | ISO 7046 | Check spec Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners trfastenings.com says iso equivalent is **7046**, as of 2026-08-12. > DIN 965 | ISO 7046 | BS3692 | Cross Recessed Countersunk Flat Head Screws | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ### Interchangeability fullerfasteners.com says interchangeability is **Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed**, as of 2026-08-12. > Cross recessed countersunk (flat) head screws (Countersunk heads according to ISO) | 965 | 7046-1 | | 7046 | 7046-1 | 1994-10 | Countersunk flat head screws (common head style) with type H or type Z cross recess – Property class 4.8 | Nominal size changed; head dimension changed; thread length changed; strength 8.8 included (see Part 2); penetration depth of cross slots changed | Source: https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ monsterbolts.com says interchangeability is **Check spec**, as of 2026-08-12. > DIN 965 | ISO 7046 | Check spec Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners ## Source - https://fullerfasteners.com/tech/din-iso-en-crossover-chart/ - https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-12. Review by: 2028-08-11. Part of [Fastener standard equivalences: DIN to ISO / EN crossover](https://referencesource.org/fastener-thread-standard-equivalence/).