Mitutoyo 177-185 Setting Ring Gage 1.4 Inch Diameter

The Mitutoyo 177-185 is a precision setting ring designed for quick and accurate calibration of dial bore gages, Holtest internal measuring instruments, and inside micrometers. This Type A setting ring features a 1.4-inch (35.56mm) nominal diameter and serves as a reference standard for verifying and adjusting the accuracy of internal measurement tools.

Key Specifications:

• Nominal diameter: 1.4 inches (35.56mm)
• Overall diameter: 71mm (2.795 inches)
• Thickness (T): 15mm (0.591 inches)
• Type A configuration
• Distance from side face (H): 3.0mm
• Size of warranted calibration surface (K): 9mm

Applications:

• Setting and zeroing dial bore gages before measurement
• Calibrating Holtest internal measuring heads
• Verifying accuracy of inside micrometers
• Quality control and inspection operations

Mitutoyo setting rings are manufactured to strict tolerances and provide a reliable reference standard for maintaining measurement accuracy in precision machining and inspection environments. The hardened and stabilized construction ensures long-term dimensional stability.