21.0617 - Hexagon Socket Screw, Inner Hexagon Screw

This part should fit the following pumps:-

• P81/500-100G
• P81/500-100
• P81/110-500
• P81/185-300G
• P81/285-200G
• P81/285-200
• P81/340-170G
• P81/340-170
• P81/400-140G
• P81/400-140

4 of this item is normally used in a pump.