Monument Pump Nut Spanner 52mm A/F

The Monument Imperial Open Ended Spanner is a single-ended hand tool designed for use with 52mm nuts, particularly those found on domestic central heating pumps. Constructed from drop-forged steel, it offers strong performance for a range of home improvement tasks. The spanner measures 400mm in overall length and features a black oxide finish. It complies with DIN 894 and ISO 3319 standards and comes as a single piece, optimized for providing leverage on 52mm fasteners when working with pumps, plumbing fittings, and related fixtures.

Technical specifications

• Size: 52mm (A/F)
• Length: 400mm
• Material: Drop-forged steel
• Finish: Black oxide
• Standards: DIN 894, ISO 3319
• End: Single-ended; 1 piece

Usage

Designed for tightening or loosening nuts on pumps, plumbing fittings, and other fixtures requiring a 52mm spanner. Ensure the spanner fits securely onto the nut before applying force.