Dial Test Indicator – 1-1/4″ White Dial, 0.0005″ Graduation, Calibrated (SPI #21-378-5)
$175.98
Precision SPI dial test indicator with 1-1/4″ white dial, 0.0005″ graduations, jeweled movement, and calibrated accuracy. Includes contact point and case.
The SPI 21-378-5 Dial Test Indicator is engineered for precision measurement in machining, inspection, and alignment applications. Featuring a crisp white 1-1/4″ dial face with 0.0005″ graduations, this indicator provides high-resolution readings for demanding tasks.
Built with a jeweled movement for smooth operation and long life, the indicator includes a 0.0790″ ball contact with a 0.6400″ contact point length. The unit is supplied calibrated and ready for use, ensuring confidence in measurement accuracy.
This indicator comes packaged in a protective fitted case with accessories, making it an essential tool for machinists, inspectors, and quality control professionals who require reliable and repeatable precision readings.
Specifications
- Manufacturer: SPI
- Part Number: 21-378-5
- MSC Number: 37543733
- Dial Diameter: 1-1/4″
- Dial Color: White
- Graduation: 0.0005″
- Contact Point Ball Size: 0.0790″
- Contact Point Length: 0.6400″
- Movement: Jeweled
- Calibration: Yes, included
- Case: Protective fitted case included
Applications
- Precision alignment of machine tools
- Inspection of part flatness, roundness, and concentricity
- Measuring small deflections and runout in CNC and manual machining
- Quality control and calibration tasks
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