What is chainsaw chain gauge?

Chain gauge is the drive links thickness where it fits into the bar groove     you may need to use vernier calipers to make this measurement.

Identify Chainsaw Gauge

There are a number of common gauges for chain saws - such as, .043” (1,1mm), .050” (1,3mm), .058” (1,5mm) and .063” (1,6mm). (Chains are still measured in imperial measurements).

Can't see your part?