Mitutoyo 614206-531 Square Steel Gage Block 6 in Grade 0

Product Description

The MITUTOYO 614206-531 is a square steel gage block with a nominal size of 6 inches, manufactured to Grade 0 accuracy. Gage blocks are precision-ground reference standards used to calibrate measuring instruments, set comparators, and verify dimensional tolerances on the shop floor or in a metrology lab. This block meets ASME standards and ships with a Certificate of Inspection, confirming it has been verified to Grade 0 tolerances at the factory. Licensed metrologists, quality technicians, and tool-room machinists rely on Grade 0 blocks for high-accuracy calibration work.

This gage block is suited for metrology labs, quality control departments, and precision machine shops requiring a traceable 6-inch reference standard. It is used to calibrate micrometers, height gages, and other precision instruments. The square geometry provides stable, flat contact surfaces on all four sides, giving the technician multiple usable faces and consistent wringing behavior for stacking applications.

Key Features

• Grade 0 accuracy per ASME standards for high-precision calibration work
• 6-inch nominal size provides a full-length reference standard for large-range instruments
• Steel construction offers durability and stable dimensional characteristics
• Square form factor delivers four usable reference faces
• Includes Certificate of Inspection for traceability documentation

Compatibility

Designed as an ASME-compliant Grade 0 gage block for use with comparators, height gages, micrometers, and other precision dimensional measuring instruments requiring a 6-inch reference standard.

Installation Notes

Gage blocks are handled and stored by metrology technicians and quality control personnel, not field trades. Before use, clean contact surfaces with an approved gage block cleaner to remove oils and debris. Store the block in its protective case away from temperature extremes to prevent thermal expansion errors. Do not drop, stack improperly, or use the block as a mechanical stop, as surface damage will compromise accuracy.