Top quality Model W-20 Webster hardness tester Aluminum alloy hardness tester

Product DescriptionMODEL W-20 WEBSTER HARDNESS TESTER
Feature & Use

Alloy hardness measuring head, which is easy and durable for operation
Anodic oxidation treated handle, which is wear-resistant and anti-rust
High toughness glass is used as display window

It's suitable to determine the hardness of Aluminum alloy materials.

Specifications

Testing range: 0~20HW
Accuracy: 0.5HW (5-17HW)
Specimen thickness: 0.4~6mm
Inner diameter: >10mm
Weight: 0.5kg.