
Metrology
Countersinks & taper holes · Ball-in-V · Sine bar - with technical schematic.
Height-over-ball calculator for counterbores & tapered holes
Reference temperature 20 °C - warm or large parts measure differently. Wring gauge blocks cleanly, keep the measuring force constant.
Note: all cutting and material values are guide values. The tool or machine manufacturer's recommendations are decisive.
The calculator also runs in the workshop without a connection: app and desktop version