Product Information
- Automatically tighten keyless device can automatically increase the clamping force, very practical
- Key parts of drill chuck is made after special quenching treatment to improve durability
- The hardness is 40HB, clamping range from 1‑13mm, and the applicable machine tool is a milling machine, very useful
- Adopt straight shank integrated design, come with high accuracy and good rigidity
- 40Cr material have high tensile strength, yield strength and hardenability, come with high fatigue strength and good toughness
