Starrett 81-281J AGD Group 1 Metric Dial Indicator 0-2.5mm Range 0.01mm Graduation

The Starrett 81-281J is a precision AGD Group 1 metric dial indicator engineered for accurate measurement in machining, inspection, and quality control applications. With a 0–2.5mm measuring range and 0.01mm graduations, this indicator delivers fine metric resolution on a clear 0–100 dial reading scale, making it ideal for setups requiring repeatable and precise readings.

Key Specifications:

• Measuring Range: 0–2.5mm
• Graduation: 0.01mm
• Dial Reading: 0–100
• Range per Revolution: 1.0mm
• Stem Diameter: 0.375″ (3/8″)
• Dial Diameter: 1-11/16″ (43mm)
• Dial Face Color: Yellow
• Back Style: Lug-on-center
• EDP Number: 53438

Key Features:

• Shockless, hardened steel gear train with jewel bearings for smooth, long-lasting performance
• Hardened stainless steel rack, spindle, gears, and pinions for durability
• Massive bridge construction provides rigid bearing support and consistent accuracy
• Unbreakable crystal protects the dial face in demanding shop environments
• Sharp bezel serrations allow for a positive, secure grip when adjusting
• No-glare satin finish on case reduces eye strain during use
• Non-reflecting white eggshell finish on dial for clear, easy readability
• Rugged and simple unit construction with a universally fitting design
• Antimagnetic and special non-shock mechanism options available
• Made in the USA

The Starrett 81-281J is furnished with a lug-on-center back and a standard 0.375″ stem for compatibility with most indicator holders and magnetic bases. A lift lever can be added when the indicator is ordered with a case stem cap. This indicator is part of Starrett's trusted Series 81 line — a go-to choice for machinists and metrologists who demand reliable metric measurement in an AGD Group 1 form factor.