Starrett 90151 Square Steel Gage Block 16 in Grade 0

Product Description

The STARRETT 90151 is a square steel gage block measuring 16.00000 inches, manufactured to Grade 0 accuracy. Gage blocks are precision reference standards used to calibrate measurement tools, set up inspection equipment, and verify dimensional tolerances on the shop floor or in a metrology lab. Grade 0 represents a high level of dimensional accuracy, making this block suitable for critical inspection and calibration work. The steel construction provides durability and stability under normal shop conditions. Licensed metrologists, quality control technicians, and toolroom machinists are the primary users of this type of gage block.

This gage block is suited for applications requiring a large-format precision reference standard. At 16 inches, it is appropriate for setting up large fixtures, calibrating long-range measuring instruments, or verifying the accuracy of large-scale inspection equipment. It is used in industrial manufacturing environments, toolrooms, and quality assurance labs where dimensional traceability is required.

Key Features

• Grade 0 accuracy for high-precision calibration and inspection work
• 16.00000 inch nominal size provides a large-format reference standard
• Steel construction for durability and dimensional stability
• Square block geometry for versatile setup and fixturing applications
• Sold individually as a single-piece unit

Compatibility

Designed as a precision reference standard for use with calibrated measuring instruments and inspection equipment requiring a Grade 0 accuracy gage block in a 16-inch size.

Installation Notes

Gage blocks are handled by quality technicians and metrologists following established metrology lab protocols. Store and handle this block in a clean, temperature-stable environment to preserve dimensional accuracy. Clean mating surfaces before use to prevent damage or measurement error. Follow your facility's calibration management procedures and applicable standards such as ASME B89.1.9 when placing this block into service as a reference standard.