Mitutoyo 611167-541 Steel Gauge Block 0.127 In Rectangular Grade AS-1

The Mitutoyo 611167-541 is a 0.127-inch rectangular steel gauge block manufactured to Grade AS-1 (ASME B89.1.9) tolerances. Gauge blocks of this type are precision measurement standards used in metrology, calibration labs, quality control, and machining environments to establish, verify, and transfer highly accurate dimensional measurements.

Key Features:

• Size: 0.127 inches — suitable for use as an individual block or as part of a wringing stack
• Shape: Rectangular (RECT) base geometry for consistent, accurate wringing to other gauge blocks or reference surfaces
• Material: High-carbon, high-chrome steel — delivers exceptional hardness, wear resistance, and long-term dimensional stability
• Grade: AS-1 per ASME B89.1.9 — a high-accuracy inspection-grade standard suitable for calibration and precision layout work
• Traceability: Identification number etched directly into the block for full metrology traceability and lab documentation compliance
• Wringing capability: Precision-lapped flat and parallel faces allow blocks to be wrung together without mechanical fasteners for stack-height measurements

Mitutoyo is a globally recognized leader in precision measurement instruments, and their steel gauge blocks are manufactured to exacting tolerances for use in industrial metrology, tool rooms, and inspection departments. The 611167-541 is ideal for applications requiring reliable, traceable reference standards.