Mitutoyo 611128-541 Steel Gage Block 0.1008 in Grade AS-1

Product Description

The MITUTOYO 611128-541 is a rectangular steel gage block measuring 0.10080 inches, manufactured to Grade AS-1 accuracy. Gage blocks of this grade meet ASME standards and serve as dimensional reference standards used to calibrate measuring instruments, set up comparators, and verify part dimensions on the shop floor or in a metrology lab. Each block ships with a Certificate of Inspection, confirming it has been individually measured and documented. Grade AS-1 represents a high level of dimensional accuracy suitable for precision inspection and calibration work in industrial and tool-room environments.

This gage block is used wherever a precise dimensional reference is required. Typical applications include calibrating micrometers, calipers, and height gages, setting sine bars, and establishing datum surfaces for quality control measurements. It is suited for use in machine shops, metrology labs, tool rooms, and production inspection stations. The 0.10080-inch nominal size makes it a standard building-block increment within a gage block set or as a standalone reference for a specific dimension.

Key Features

• Grade AS-1 accuracy per ASME standards, providing tight dimensional tolerances for reliable calibration use
• Rectangular steel construction for durability and long-term dimensional stability
• Nominal size of 0.10080 inches for precise incremental measurement builds
• Includes Certificate of Inspection for documented traceability
• Single-piece packaging supports individual replacement or supplement to existing gage block sets

Compatibility

Designed as an OEM-style individual gage block compatible with standard rectangular steel gage block sets and accessories conforming to ASME gage block specifications.

Installation Notes

Gage blocks are precision metrology tools handled by calibration technicians and quality control personnel. Store blocks in their case away from temperature extremes and humidity to preserve dimensional stability. Before use, allow the block to thermally stabilize to the measurement environment, typically 68 degrees F per ASME standards. Clean contact surfaces with an appropriate gage block cleaner before wringing or use, and never use abrasive materials on the lapped faces.