TSUBOSAN Hardness Tester Set HRC40-65

Description

Arriving late October 2025 for delivery – Pre-order now

Condition: This TSUBOSAN hardness tester set is new old stock (NOS), unused and complete in its original case. The set covers Rockwell C scale hardness values from HRC40 to HRC65. While unused, some light signs of long-term storage may be present on the case or packaging.

The TSUBOSAN hardness tester set provides machinists and inspectors with calibrated reference blocks for quick verification of hardness testing equipment. Each block is manufactured to precise Rockwell C hardness values, enabling reliable calibration and performance checks on shop floor hardness testers. With its range spanning HRC40 through HRC65, the set is suitable for a wide spectrum of tool steels, dies, and hardened components encountered in precision machining and heat treatment operations.

TSUBOSAN is a Japanese manufacturer recognised for high-quality precision measuring and testing tools. Their hardness standards are produced with strict quality control to ensure long-term stability, repeatability, and confidence in critical inspection processes.

Features & Technical Specifications

Applications (SEO Keywords)

• Calibration and verification of Rockwell hardness testers
• Reference standards for machinists, toolrooms, and inspection labs
• Suitable for testing tools, dies, and hardened steels in the HRC40–65 range
• Ensures accuracy and repeatability in heat treatment and quality control