Mainspring_Guage

Mainspring Size – Dennison to Metric Conversion

Was looking up a mainspring size and realised that some of the current stock i had used Dennison sizing, looking through some catalogue i found a conversion chart.  I have added the chart here for easy reference. Measuring Height Metric Dennison Metric Dennison Metric Dennison Metric Dennison 0.00 10/0 2.00 11 4.00 31 6.00 51 […]