Mitutoyo 611149-531 Steel Gage Block 0.109 in Grade 0

Product Description

The MITUTOYO 611149-531 is a rectangular steel gage block sized at 0.109 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 the metrology lab. This block meets ASME standards and ships with a Certificate of Inspection, confirming it has been measured and verified to Grade 0 tolerances. Grade 0 represents a high level of dimensional accuracy suitable for calibration and inspection work. Machinists, quality technicians, and metrologists rely on blocks like this to maintain measurement traceability in production and inspection environments.

This gage block is used in precision measurement applications where a 0.109-inch reference dimension is required. Typical applications include setting dial indicators, height gages, and snap gages, as well as stacking with other gage blocks to build a target dimension. It is appropriate for use in machine shops, quality labs, toolrooms, and manufacturing inspection stations where ASME-conforming dimensional standards are required.

Key Features

• Grade 0 accuracy per ASME standards for high-precision calibration and inspection use
• 0.109-inch nominal size, precision-ground rectangular steel construction
• Includes Certificate of Inspection confirming dimensional conformance
• Steel material provides durability and long service life under normal metrology conditions
• Single-block packaging suitable for adding to an existing gage block set or replacing a worn block

Compatibility

Designed as an OEM-style replacement or supplemental block compatible with standard rectangular gage block sets conforming to ASME B89.1.9 guidelines.

Installation Notes

Gage blocks should be handled by qualified metrology or quality personnel. Clean mating surfaces thoroughly before wringing blocks together to prevent damage to lapped faces. Store blocks in a protective case away from moisture and temperature extremes to maintain calibration integrity. Periodic recertification is recommended per your facility's calibration control procedures.