Spi 15-044-1 Steel Gage Block 0.13 Inches Grade AS-1

Product Description

The SPI 15-044-1 is a rectangular steel gage block measuring 0.13 inches, manufactured to Grade AS-1 accuracy. Gage blocks are precision-ground reference standards used to calibrate measuring instruments, set comparators, and verify dimensional accuracy on the shop floor or in a metrology lab. This block includes NIST certification, providing a traceable accuracy record required in quality-controlled manufacturing and inspection environments. Grade AS-1 represents a high-accuracy tolerance class suitable for demanding inspection and calibration work. Machinists, toolmakers, quality control inspectors, and metrologists are the typical end users.

This gage block is used in machine shops, tool rooms, and inspection labs wherever a reliable dimensional reference standard is required. It is suited for setting dial indicators, height gages, and micrometers, as well as for use in stack combinations to achieve a wide range of reference dimensions. The single-block format at 0.13 inches makes it a practical addition to an existing gage block set or as a standalone replacement piece.

Key Features

• Grade AS-1 accuracy class for high-precision calibration and inspection work
• 0.13-inch nominal size in rectangular steel form
• Steel construction for durability and long-term dimensional stability
• Includes NIST certification for traceable accuracy documentation
• Sold individually, compatible with standard gage block stack configurations

Compatibility

Designed as an OEM-style replacement or supplemental piece compatible with standard rectangular gage block sets used in general metrology and inspection applications.

Installation Notes

Gage blocks are handled by metrology technicians, toolmakers, and quality inspectors following standard metrology practices. Always clean block surfaces with an appropriate solvent and lint-free cloth before use to prevent contamination that can affect accuracy. Store blocks in their protective case when not in use to avoid corrosion and surface damage. Do not drop or stack blocks carelessly, as edge damage can compromise flatness and parallelism.