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28542

THERMAG EXHAUST NUT BSF 3/8 BRASS

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An exhaust nut is a high-temperature, vibration-resistant fastener designed for use in exhaust systems and other high-heat environments. Typically made from heat-treated steel, brass, or stainless steel, these nuts maintain thread integrity and prevent seizing when exposed to extreme heat and thermal cycling. They often feature a locking design—such as deformed threads or a copper coating—to resist loosening due to vibration.