Gaging Tips with Master Rings and Engagements, Size Matters
WITH MASTER RINGS AND ENGAGEMENTS, SIZE MATTERS A master ring, or ring gage, is basically a bore of known dimension. The precision hole is often used as a setting master for variable inside-diameter gages (such as bore gages, air tooling and mechanical plug gages), for go/no-go mastering of fixed ID gages, and for go/no-go OD…