"Metric Self Tapping Screw Thread Dimensions " Calculator has been developed to
show dimensions of metric self tapping screw thread according to the ISO standards.
Some important notes from the ISO standards:
- ISO 1478 specifies the thread and thread ends for self tapping screws (sheet metal screws) with thread sizes from ST1.5 to ST9.5 inclusive.
- Self tapping screw thread designation example for thread size ST 5.5 : Tapping screw thread ISO 1478 - ST5.5