21.0388 - Hexagon Socket Screw, Inner Hexagon Screw, Cylinder Screw

This part should fit the following pumps:-

• P55/128-160G
• P55/165-100G
• P55/150-130G
• P55/100-200G
• P55/100-200GH
• P55/21-1000
• P55/26-800
• P55/18-1200
• P55/50-400
• P55/45-500
• P55/40-600
• P55/80-280G
• P55/80-280GH

4 or 12 of this item is normally used in a pump.