| Standard: | DIN, ASTM, GOST, GB, JIS, ANSI, BS |
|---|---|
| Technics: | Nitriding Electro Plating |
| Feature: | Screw Barrel |
| Material: | High Quality Alloy Steel 38crmoala |
| Treatment: | Nitriding Treatment 72 Hours |
| Hardness After Hardening and Tempering: | Hb260-320 |
| Customization: |
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