Starrett 656-517J AGD Group Dial Indicator Range Graduation - 4 0-0.400 0.0001

The Starrett 656-517J is a precision AGD Group 4 Dial Indicator built for demanding metrology and quality control applications. With a 0–0.400" measuring range and ultra-fine 0.0001" graduations, this indicator delivers the accuracy and repeatability required in toolroom, machine shop, and inspection environments.

Key Features:

• Measuring Range: 0–0.400"
• Graduations: 0.0001" (one ten-thousandth of an inch)
• Dial Reading: 0-10-0 (balanced dial)
• One Revolution Travel: 0.020"
• Stem Diameter: 0.375" (3/8")
• AGD Group 4 specification compliance
• Shockless, hardened steel gear train for durability and long service life
• Jewel bearings for smooth, precise movement and reduced wear
• Hardened stainless steel rack, spindle, gears, and pinions for corrosion resistance
• Massive bridge construction for rigid bearing support
• Lug-on-center back for easy mounting and setup
• Balanced and tapered hands for easy readability
• Unbreakable crystal lens protects the dial face
• Sharp bezel serrations for a positive, secure grip
• No-glare satin finish on case reduces eye fatigue during extended use
• Anti-magnetic mechanism

The Starrett 656 Series is an industry-standard dial indicator trusted by machinists, quality engineers, and metrologists worldwide. The 656-517J is designed and manufactured in the USA to Starrett's exacting standards, making it an ideal choice for surface plate inspection, fixture setup, runout measurement, and comparative gauging tasks requiring precision to 0.0001".