Starrett 81-136J Miniature Dial Indicator 0-0.075" Range 0.0005" Graduation AGD Group 1

The Starrett 81-136J is a precision miniature dial indicator from Starrett's trusted 81 Series, engineered for high-accuracy measurement in quality control, machining, and inspection applications. With a total range of 0–0.075" and fine 0.0005" graduations, it delivers the resolution needed for demanding tolerance work.

Key Features:

• Measurement Range: 0–0.075" (5/64") total travel
• Graduation: 0.0005" (0.012mm) per division
• Dial Reading: 0-15-0 balanced (bidirectional)
• Dial Diameter: 1-11/16" (43mm) white face for easy reading
• Contact Point Thread: #4-48 standard (AGD Group 1)
• Contact Point Tip Diameter: 13/64"
• Range Per Revolution: 0.030"
• Back Style: Lug-on-center
• Gear Train: Shockless, hardened steel with jewel bearings for long service life
• Made in the USA

The 81 Series features a shockless hardened steel gear train and jeweled bearings that protect the mechanism from damage during everyday use. The lug-on-center back allows secure mounting to standard indicator holders, arms, and fixtures. Antimagnetic and special non-shock mechanism options are also available across the 81 Series lineup for specialized environments.