Mitutoyo 2507A Dial Drop Indicator 0.125 in 0.0005 Grad

Product Description

The MITUTOYO 2507A is a dial drop indicator designed for precise dimensional measurement in machining, inspection, and metrology applications. It features a 0.125-inch total measurement range with a graduation of 0.0005 inches, making it well-suited for detecting small deviations in surface runout, alignment, and part tolerances. The 2-1/4-inch white dial face uses a 0-25-0 bidirectional reading format, allowing the technician to read deflection in either direction from center zero. A built-in revolution counter tracks full cycles across the measurement range. The lug-back mount provides a secure, versatile attachment point for use with standard indicator stands, magnetic bases, and fixture arms.

The MITUTOYO 2507A is used in precision measurement setups across manufacturing, tool-and-die, and quality control environments. It is appropriate for both shop-floor inspection and bench-level metrology tasks. Typical applications include checking shaft runout, verifying flatness, and confirming part-to-part consistency on machined components. It delivers 0.05 inches of travel per revolution, which suits fine-tolerance inspection work where controlled, incremental movement is required. The lug-back configuration makes it compatible with a wide range of dial indicator holders and surface plate setups.

Key Features

• 0.125-inch measurement range with 0.0005-inch graduation for fine-tolerance inspection
• 0-25-0 bidirectional dial reading for easy deflection monitoring in both directions
• 2-1/4-inch white dial face for clear readability in shop and lab environments
• 0.05 inches of travel per revolution for controlled, precise measurement increments
• Built-in revolution counter to track full-range travel across multiple cycles
• Lug-back mount for compatibility with standard indicator stands, arms, and fixtures

Compatibility

Designed as a standard lug-back dial drop indicator for use with compatible indicator stands, magnetic bases, and fixture-mounted holders accepting a lug-back attachment.

Installation Notes

Installation and use of precision dial indicators is typically performed by machinists, metrologists, or quality control technicians. Before mounting, ensure the indicator holder or stand is securely locked to prevent movement during measurement. Do not exceed the stated measurement range, as overtravel can damage the internal gear mechanism. Contact force should be consistent and within the specified measuring force to maintain accuracy.