Feed Screws

Overview
Zhejiang Zhongyang Screw Manufacturing Co., Ltd in Zhoushan, Zhejiang lists Feed Screws under Feed Screws. Base material 38CrMoAlA, process Nitriding / Bimetallic and nitrided hardness HV 900 – 1000 are among the specifications published.
Technical specifications
| Base Material | 38CrMoAlA |
|---|---|
| Process | Nitriding / Bimetallic |
| Nitrided Hardness | HV 900 – 1000 |
| Nitrided Case Depth | 0.45 – 0.8 mm |
| Nitrided Brittleness | ≤ Grade 2 |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015 mm |
| Bimetallic Alloy Layer Thickness | 2 – 2.5 mm |