Phase 1 — reference & identification only. No shop, no accounts.

Self-drilling screws

4 standards. ISO editions are listed first; each shows the DIN numbers it replaced, so a search for a DIN number lands on the right table.

DINTitleSizesDataStatus
DIN 7504 KSelf-drilling screws with tapping screw thread — Form K — hexagon washer headST3.5 – ST6.36 sizes · DraftReplaced → ISO 15480
DIN 7504 NSelf-drilling screws with tapping screw thread — Form N — cross recessed pan headST2.9 – ST6.37 sizes · DraftReplaced → ISO 15481
DIN 7504 OSelf-drilling screws with tapping screw thread — Form O — cross recessed raised countersunk head3.9 – 6.35 sizes · DraftWithdrawn
DIN 7504 PSelf-drilling screws with tapping screw thread — Form P — cross recessed countersunk headST2.9 – ST6.37 sizes · DraftReplaced → ISO 15482

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