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Grease fittings are used in mechanical systems to add grease with a grease gun. The fitting is permanently installed by a threaded connection leaving a nipple connection the grease gun attaches to. By using the pressure in the grease gun, grease is added to the system through the grease fitting.
Overall Length = 1.50"Hex Size: 0.56" ZINC-Plated Steel. ALL FITTINGS MEET SAE J-534C SPECIFICATIONS.