Mitutoyo 177-283 Setting Ring Gage 0.425 Inch Diameter

The Mitutoyo 177-283 is a precision setting ring gage designed for quick and accurate calibration of inside micrometers, Holtest internal measuring instruments, and dial bore gages. This Type A setting ring features a nominal diameter of 0.425 inches (10.795mm), making it ideal for verifying and setting measuring instruments to exact specifications before use.

Key Specifications:

• Nominal diameter: 0.425 inches
• Outside diameter: 32mm (1.26 inches)
• Thickness (T): 10mm (0.394 inches)
• Distance from side face (H): 1.8mm
• Warranted calibration surface size (K): 6.4mm
• Type: A configuration

Setting rings are essential tools in precision measurement, providing a master reference standard that ensures measuring instruments are properly zeroed and calibrated. The warranted calibration surface is precisely ground and lapped to extremely tight tolerances, providing a reliable reference for instrument setup. This setting ring is manufactured to Mitutoyo's exacting quality standards, ensuring long-term dimensional stability and accuracy.