Mitutoyo 611191-541 Steel Gage Block 0.1 in Grade AS-1

Product Description

The MITUTOYO 611191-541 is a rectangular steel gage block with a nominal size of 0.1 inches and a length of 1.181 inches, manufactured to ASME Grade AS-1 accuracy. Gage blocks at this grade meet tight dimensional tolerances used for calibrating precision measuring instruments, setting comparators, and verifying part dimensions on the shop floor or in a metrology lab. Each block ships with a Certificate of Inspection confirming compliance with the stated accuracy grade. This part is handled by calibration technicians, quality engineers, and precision machinists who require traceable dimensional references in production and inspection environments.

This gage block is suited for use in tool rooms, quality labs, and precision manufacturing settings where dimensional verification is part of the workflow. It functions as a reference standard when calibrating micrometers, dial indicators, and height gages, and as a setup block for surface plate work. The 0.1-inch nominal size makes it a common increment block in standard gage block sets used across a wide range of measurement applications.

Key Features

• Grade AS-1 accuracy per ASME standards for tight dimensional tolerance
• Rectangular steel construction for durability and wear resistance
• Nominal size of 0.1 inches for use as a precise dimensional reference
• 1.181 inches in length, conforming to standard gage block geometry
• Includes Certificate of Inspection for traceability documentation
• ASME-compliant, meeting recognized dimensional metrology standards

Compatibility

Designed as an OEM-style precision reference block compatible with standard rectangular gage block sets and accessories used in ASME-compliant metrology and inspection applications.

Installation Notes

Gage blocks should be handled by calibration technicians or quality professionals familiar with wringing technique and block care procedures. Always clean mating surfaces with an appropriate gage block cleaner before wringing to prevent contamination and surface damage. Store blocks in their original protective case in a temperature-controlled environment to preserve dimensional stability. Do not use gage blocks as mechanical stops or allow contact with abrasive surfaces.