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The SPI 14-354-5 is a micrometer setting ring designed to calibrate and verify the accuracy of inside micrometer instruments. Setting rings serve as a reference standard, allowing technicians to zero or confirm the reading of a bore micrometer before taking critical measurements. This ring is sized at 10mm and is intended for use with SPI Hole-Mike Series micrometers. It is a precision accessory used by machinists, quality control inspectors, and toolroom technicians working in manufacturing, metrology, and precision machining environments.
This setting ring is suited for applications where bore measurement accuracy is essential. It is used during instrument setup and verification routines in machine shops, inspection departments, and production environments. The 10mm fixed size makes it appropriate for calibrating instruments set to that specific diameter. Technicians use it before measurement runs or as part of a regular calibration schedule to confirm instrument performance.
Designed for use with SPI Hole-Mike Series micrometers requiring a 10mm setting reference.
Setting rings are handled and used by metrology technicians and qualified machinists. Before use, clean the ring and micrometer contact surfaces with a lint-free cloth to remove debris that could affect readings. Handle the ring carefully to avoid dropping or impacting it, as physical damage will compromise its accuracy. Follow your shop calibration procedures and applicable metrology standards when using this ring as a reference.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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