Guidi Brass Lock Nut 25.4 mm × 12.7 mm (1 in × 1/2 in) | 4Boats

Guidi Brass lock nut for marine fittings, designed for above‑waterline use and suitable for freshwater, fuel and closed‑circuit plumbing.

• 25.4 mm × 12.7 mm (1 in × 1/2 in)
• High‑quality brass construction
• BSPT per EN 10226‑1 (BS 21) or BSP (G) per ISO 228‑1 (BS 2779)
• Compatible with Guidi Brass fittings
• Retail packed for trade and DIY