Watch Click Spring Hardness Comparison: Which Is Hardest
Author: Funny Items
Release time: 2026-08-21 07:31:41
View number: 11
Hardness Ranking
Click spring materials vary in hardness.
Hardness Ranking
- Steel: 40-50 HRC hardest
- Titanium: 30-40 HRC
- Brass: 20-30 HRC