The Permatex Hight Temperature Threadlocker is designed for heavy duty applications at high temperatures. It prevents shock, intense vibration and heat stress from causing bolts and press fits 3/8" to 1-1/2" to loosen. Suited to temperatures up to 450 °F, it requires heat and hand tools to remove. This bottle of red thread locker is ideal for use in automotive, industrial and marine applications.

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