Starrett® Dial Hole Gage, Series: 690, 0.23 to 0.33 in, Graduations: 0.001 in, 2-1/32 in Dia x 7/8 in H Dial, White Dial, Hardened Tool Steel, 7-7/64 in L

• All ground surfaces are of hardened tool steel
• Indicators are AGD design
• Fast, accurate and easy to read
• Balanced design for easy one-hand operation
• Can be checked and set with an optional setting master
• Gage can be pressed down on a flat surface and checked so the size should read the same as the set number stamped on the back of the indicator
• Holes that need to be accurately checked must have no chamfers or countersinks
• These hole gages will check hole diameters to 0.001 in and 0.02 mm

• https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_690_4Z_Full_Engineering_Drawing.pdf https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Starrett_690_4Z_Full_Engineering_Drawing.pdf