1)Various high-pressure pistons parts available

2) Surface roughness: Ra0. 2-0. 4

3) Good wear resistance

4) High anti-breaking strength

5)Tolerance: ± 0. 008mm

6) Hardness: HV700

7) Material: 20CrMo

8) Made by CNC precision grinding machine

9) OEM & ODM

10) Packing: carton