Guidi Brass Lock Nut 1/2 in Retail Pack | 4Boats

Guidi Brass lock nut designed for marine use; suitable for above-waterline installations and systems using freshwater, fuel and closed-circuit plumbing. Retail pack.

• Brass construction for corrosion resistance in marine environments.
• Size: 12.7 mm (1/2 in).
• Compatible with Guidi Brass fittings for secure connections.
• Thread standards: BSPT (G) = EN 10226/1 (BS 21); BSP (G1) = ISO 228/1 (BS 2779).
• Retail pack format for easy stocking and single-item replacements.

Also searchable as 1/2 inch BSP lock nut and brass locknut for marine plumbing.

Fits standard BSP and BSPT thread fittings to recognised EN/ISO standards; ideal for retail sale and workshop use.