Spi 11-368-8 Micrometer Caliper Calibration Kit

Product Description

The SPI 11-368-8 is a steel micrometer and caliper calibration kit designed for verifying and calibrating precision measuring instruments in shop and field environments. The kit covers a measurement range of 0.0625 inches to 2 inches with an accuracy of 0.00005 inches, making it suitable for high-precision calibration work where tight tolerances are critical. A protective carrying case is included, keeping the standards organized and protected from damage during storage and transport. Machinists, quality control technicians, and metrologists rely on this kit to maintain measurement traceability across calipers and micrometers in production or inspection settings.

This calibration kit is used in manufacturing facilities, machine shops, inspection labs, and maintenance departments where dimensional accuracy must be verified regularly. It is appropriate for calibrating outside micrometers and vernier or digital calipers used in both light industrial and precision machining applications. The included case makes it practical for bench use or transport between workstations.

Key Features

• Measurement range from 0.0625 inches to 2 inches covers common shop instrument sizes
• Accuracy of 0.00005 inches supports high-precision calibration requirements
• Steel construction provides long-term dimensional stability
• Includes a protective carrying case for safe storage and portability
• Compatible with both micrometer and caliper calibration procedures

Compatibility

Designed as a general-purpose calibration reference kit for outside micrometers and calipers with measurement ranges falling within 0.0625 to 2 inches.

Installation Notes

Calibration work should be performed by a qualified metrologist or trained technician following applicable measurement standards such as ASME B89. Keep the standards clean and free of oil, debris, and burrs before use, as surface contamination will affect accuracy readings. Allow the kit and the instrument under test to thermally stabilize in the same environment before beginning calibration. Store the kit in the provided case when not in use to protect the precision surfaces.