Master Setting Rings are reference gauges used for setting and calibrating internal measuring instruments such as bore gauges, micrometers, and air gauges.

Key Features:

• Made from stabilized, high-chrome tool steel

• Precision lapped to sub-micron accuracy

• Available in various sizes and tolerance grades

• Conforms to ISO 3650 and BS 1044 standards

• Anti-corrosive finish and protective casing

Technical Details:

• Hardness: 60–62 HRC

• Roundness within 0.25 µm

• Thermal stabilized for dimensional integrity

• Traceable calibration certificate included

Applications:

• Calibration laboratories

• Quality control departments

• Manufacturing inspection setups

Benefits:Ensures precise instrument calibration and improves the accuracy of all internal measurement devices.