Flare nuts are essential fittings used in refrigeration, air conditioning, and plumbing systems to ensure strong, leak-proof connections between copper tubing and various system components. At Coolmass Refrigeration, we supply premium-quality flare nuts made from durable brass or steel, precisely machined to deliver tight, vibration-resistant seals. Whether you’re installing a new AC unit, servicing a cold room, or working on a refrigeration line, our flare nuts are engineered to meet the highe