10Pcs Push Nuts for 5/8″ Dolly Wheel Lock Washers Hard-to-Find Spring Steel | Pu
Oiled Phosphate Finish: Phosphate coatings prevent corrosion on steel parts. It has a strong surface adhesion, preventing wear and improving friction-induced wear. The oil on the pushnuts’ phosphate coating serves as a sealer to ensure the effectiveness of the phosphate’s corrosion-resistant properties.