Watch Click Spring Hardness Rating: How Hardness Is Measured
作者: Funny Items
发布时间: 2026-08-21 15:23:35
查看数: 56
Hardness Rating
Click spring hardness rating determines durability.
Hardness Ratings
- Steel: 40-50 HRC
- Brass: 20-30 HRC
- Titanium: 30-40 HRC