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The MITUTOYO 611197-531 is a rectangular steel gage block ground and lapped to Grade 0 accuracy tolerances per ASME standards. Gage blocks are precision reference standards used to calibrate measuring instruments, set comparators, and verify dimensional accuracy in machining and inspection environments. This block measures 0.7 inches in nominal length and ships with a Certificate of Inspection confirming dimensional conformance. Grade 0 indicates a tighter tolerance class suited for calibration lab use and high-precision inspection tasks. Machinists, metrologists, and quality technicians rely on gage blocks like this one to maintain traceability in measurement systems.
This gage block is used in dimensional metrology applications across manufacturing, tool rooms, and quality inspection labs. Typical uses include setting height gages, calibrating micrometers and calipers, and building stacked block combinations for specific reference dimensions. The 0.7-inch size fills a common gap in standard gage block sets and can be used as a standalone reference or combined with other blocks through wringing. It suits both production floor spot-checks and controlled metrology lab environments.
Designed as an OEM-style precision reference block compatible with standard rectangular gage block sets and accessories used in dimensional metrology applications conforming to ASME standards.
Gage blocks are handled and stored by calibration technicians and quality inspection personnel, not field trade installers. Always clean wringing surfaces with an appropriate gage block cleaning solution before use. Store blocks in their protective case when not in use to prevent corrosion and damage to lapped surfaces. Do not drop or stack blocks carelessly, as surface damage will compromise dimensional accuracy.
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