What is the primary function of the CGNG go/no-go gauge?
The CGNG verifies the finish diameter, thread pitch, and spacing of glass bottles using a pass/no-pass gauging method, ensuring that glass bottle finishes conform to their specified dimensional standards.

Which glass bottle finish standards does the CGNG cover?
The CGNG is available in configurations for the most common glass bottle finish standards, including 28mm Glass/1650RE and 38mm Glass/1663, covering the principal neck finishes used in wine, spirits, and food glass packaging.

How does the CGNG simplify dimensional compliance checking on glass bottles?
The CGNG provides an immediate pass/fail result without requiring digital measurement — the operator simply applies the gauge to the bottle finish. If the finish passes all reference checks, the bottle meets the specification. If it fails at any point, the non-conformity is detected instantly.