# DIN 84 — DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable For DIN 84, iso standard is ISO 1207; part is Slotted Cheese Head Screw; interchangeability verdict is Check spec, verified against its source on 2026-08-05. - **DIN standard:** DIN 84 _(verified: appears in the quote below)_ - **ISO standard:** ISO 1207 _(verified: appears in the quote below)_ - **Part:** Slotted Cheese Head Screw _(verified: appears in the quote below)_ - **Interchangeability verdict:** Check spec _(verified: appears in the quote below)_ - **BS standard:** BS4183 _(per trfastenings.com, not stated by the source above)_ ## What the source says > Slotted Cheese Head Screw | DIN 84 | ISO 1207 | Check spec | Head dia/height tolerances may vary. ## 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. ### Part monsterbolts.com says part is **Slotted Cheese Head Screw**, as of 2026-08-05. > Slotted Cheese Head Screw | DIN 84 | ISO 1207 | Check spec | Head dia/height tolerances may vary. Source: https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners trfastenings.com says part is **Product grade A Slotted Cheese Head Screws**, as of 2026-08-05. > DIN 84 | ISO 1207 | BS4183 | Product grade A Slotted Cheese Head Screws | Source: https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards ## Source - https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners - https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards Last verified: 2026-08-05. Review by: 2029-08-04. Part of [DIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable](https://referencesource.org/fastener-standard-interchangeability-exceptions/).