Brass Straight Grease Fitting 1/4"-28 Thread 8mm Width Hydraulic Grease Fitting Accessories, 10Pcs Size: 1/4" x 0.31" These grease fittings are constructed from brass, providing high hardness, resistance to rust, and oil spill-proof performance. The grease fitting serves as the oil-filled inlet and is the simplest method for mechanical lubrication. It functions as a connection between the grease tube and mechanical equipment. Appropriate for most mechanical equipment and industrial applications. This grease fitting serves as an excellent replacement for your old one. It is frequently utilized in bearings. Handy for daily maintenance, with straightforward replacement procedures ????Confirming compatibility with the seller is one of the most effective ways to avoid post-sales issues.????