81-Piece Steel Gauge Block Set With Hard Case And Certificate Of Inspection, Top-Notch ASME B89.1.9 Compliant, Precision Calibration For Measuring Equipment, Blocks Range From.05 To 4 Inches, Tolerances Plus 0.25 To Minus 0.15 Micrometers

Precision 81-Piece Steel Gauge Block Set with Certificate
✔️ Calibrated to +0.25 μm to -0.15 μm,.05 to 4 in, ASME B89.1.9

This workshop-grade gauge block set provides reliable references for calibration in machining workshops and metrology labs. The 81 pieces span from.05 in to 4 in and come with a certificate of inspection for traceability.

✅ 81-piece steel gauge block set spanning.05 to 4 inches with sized groups
✅ Certificate of inspection following ASME B89.1.9 for traceability
✅ Tolerances of +0.25 μm to -0.15 μm for precise calibration
✅ Hard-shell case included to keep blocks organized and protected
✅ Sizes: 9 blocks.1001-.1009 in (0.0001 in steps), 49 blocks.101-.149 in (0.001 in steps), 19 blocks.05-.95 in (0.05 in steps), 4 blocks 1-4 in (1 in steps)
✅ Machined to claimed dimensions for reliable measurement references
✅ Ideal for calibrating measuring devices like micrometers, calipers, height gauges
✅ Great for metrology labs and workshop QA workflows

💡 What is a gauge block set used for in precision measurement and calibration?

Gauge blocks provide traceable reference standards that calibration labs and workshops rely on to verify and adjust measuring equipment. - Calibrates micrometers, calipers, height gauges, and dial indicators for accurate readings - Ensures traceability with ASME B89.1.9 standards for reliability - Improves repeatability of metrology tasks across production lines✝️