Pro Grade Four Step 1018 Steel Test Block Set With 0.25 Inch 0.5 Inch 0.75 Inch And 1 Inch Steps, ASTM E797 Certified, Includes ABS Carrying Case And Certificate

Four-Step 1018 Steel Test Block Set with ABS Case
✔️ Four-step 0.25, 0.5, 0.75 and 1 inch increments; ASTM E797; ABS case

The Four-Step 1018 steel test block set is a precision gauging tool used in quality control and metrology labs. It provides four graduated steps for checking milling and grinding equipment, calipers, and surface measurement accuracy. This handy block is commonly used on shop floors, calibration labs, and inspection benches to verify flatness and size consistency.

✅ Four-step 0.25 in, 0.5 in, 0.75 in, 1 in increments
✅ Material: 1018 steel for durability and stability
✅ Includes ABS carrying case for protection
✅ Factory certificate included for traceability
✅ ASTM E797 certified for metrology accuracy

💡 What is a four-step test block used for in precision measurement and calibration?

This handy tool helps verify the accuracy and alignment of measuring tools used in quality control and metrology. - Handy for calipers, micrometers, and surface plates for flatness - Handy for QA routines and metrology training - Useful on shop floors for setup and measurement workflows. ✝️