Premium NBR/HNBR O-Ring Kit – High-Performance Sealing Solution
Durable NBR/HNBR material ensures excellent resistance to oils, refrigerants (R134a/R12), and air compressor conditions. Precision-engineered 7.65x1.78mm (3mm thickness) for airtight seals in HVAC systems, automotive, and industrial equipment. 100-piece kit offers bulk value—perfect for contractors, mechanics, and DIY enthusiasts needing reliable, long-lasting seals. Heat and chemical-resistant design outperforms standard rubber rings, reducing leaks and maintenance costs. Globally sourced at unbeatable wholesale prices—ideal for high-volume buyers seeking quality without compromise.