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.

Thread Forming
Insert Length (A) = 0.62"
Overall Length (B) = 0.96"
Hex Size: 0.31"

ZINC-Plated Steel. ALL FITTINGS MEET SAE J-534C SPECIFICATIONS.