Product Material: 20CrMnTi
Hardness: HRC58-60
Main Body Accuracy: 0.006mm
Dynamic Balance: G6.3 15000RPM, G2.5 30000RPM
Product Features: Utilizes drill chuck from a Taiwan brand, with titanium-plated hardened claws for strong clamping force, high precision, strong toughness, and less prone to cracking.