Reference Source

DIN 963

For DIN 963, iso standard is ISO 2009; part is Slotted Flat Head (Countersunk); interchangeability verdict is Check spec, verified against its source on 2026-08-05.

DIN standard
DIN 963 verified
ISO standard
ISO 2009 verified
Part
Slotted Flat Head (Countersunk) verified
Interchangeability verdict
Check spec verified
BS standard
BS3692 per trfastenings.com
Sourcemonsterbolts.com
Verified2026-08-05
Review by2029-08-04
DatasetDIN / ISO / BS fastener equivalents and the sizes where they are not interchangeable

What the source says

Slotted Flat Head (Countersunk) | DIN 963 | ISO 2009 | Check spec | Countersink/head geometry differences.

monsterbolts.com, retrieved 2026-08-05

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 — deciding between them is yours, not ours.

Part

monsterbolts.com says part is Slotted Flat Head (Countersunk), as of 2026-08-05.

Slotted Flat Head (Countersunk) | DIN 963 | ISO 2009 | Check spec | Countersink/head geometry differences.

https://monsterbolts.com/pages/common-din-numbers-for-metric-fasteners

trfastenings.com says part is Slotted Countersunk Head Screws (with countersunk heads as specified in ISO 2009-1972), as of 2026-08-05.

DIN 963 | ISO 2009 | BS3692 | Slotted Countersunk Head Screws (with countersunk heads as specified in ISO 2009-1972) |

https://www.trfastenings.com/knowledge-base/engineering-data/fastener-standards

Sources

Last verified against source: 2026-08-05. Due for re-check by 2029-08-04. This page as Markdown · OKF bundle · full dataset as JSON.