▸Description
The 590–670 HLD Leeb Hardness Test Block is a high-quality reference block designed for the routine verification and performance checking of Leeb hardness testers equipped with a Type D impact device. Manufactured from premium homogeneous steel and precision finished, the test block provides stable and repeatable hardness values for daily instrument verification and functional testing.
The block is suitable for confirming the accuracy and repeatability of portable Leeb hardness testers before field or workshop measurements. Its durable construction and precision-machined surface ensure consistent performance and long service life, making it an ideal accessory for manufacturing facilities, maintenance departments, quality control, and inspection applications.
Key Features
- Reference Leeb hardness test block
- Hardness range: 590–670 HLD
- Designed for Leeb D-type impact devices
- Manufactured from high-quality homogeneous steel
- Precision ground testing surface
- Stable and repeatable hardness characteristics
- Durable construction for long service life
- Ideal for routine verification and functional checks of Leeb hardness testers