Self-Sealing Hex Nuts
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Use self-sealing hex nuts from Grainger on all types of adjusting screws, threaded studs, and machine bolts in applications where extreme pressures could cause leakage. They go on like an ordinary nut, but their molded-in elastomeric insert forms a high-pressure seal, eliminating the need for gaskets and sealing compounds. Choose the thread size and nut dimensions to fit your application when you shop for self-sealing hex nuts at Grainger.