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The MITUTOYO 614163-531 is a square steel gage block measuring 0.123 inches, manufactured to Grade 0 accuracy. Gage blocks serve as primary length reference standards used to calibrate measuring instruments, verify dimensional tolerances, and set comparators to precise dimensions. This block is constructed from steel and ships with a Certificate of Inspection, confirming it meets ASME dimensional accuracy requirements at the Grade 0 classification. Grade 0 blocks are suited for laboratory and calibration lab use where tighter tolerances are required. Metrology technicians, quality engineers, and precision machinists rely on this class of block for traceable dimensional verification work.
This gage block is used in calibration laboratories, quality control departments, and tool rooms supporting machining, grinding, and inspection operations. It functions as a reference standard for setting height gages, dial indicators, micrometers, and other precision measuring instruments. The 0.123-inch nominal size fits into standard gage block sets and is commonly used as a single-piece dimensional reference or as part of a wrung stack to achieve target dimensions in inspection setups.
Designed as an OEM-style individual gage block compatible with standard gage block accessory sets and holders sized for square-format steel blocks used in general metrology and inspection applications.
Gage blocks should be handled by a qualified metrology technician or quality professional. Clean block faces with lint-free cloth and appropriate solvent before and after use to prevent corrosion and maintain wringing surfaces. Store blocks in their protective case when not in use to avoid thermal variation and surface damage. Never drop or stack blocks carelessly, as surface damage will compromise dimensional accuracy and traceability.
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