Push Nuts for Dolly Wheel Lock Washers, Hard-To-Find Spring Steel Push-On Pushnu
The spring force produced by its teeth allows the pushnut to create more friction between itself and the shaft increasing its rotational resistance. The black coating on these pushnuts is a zinc phosphate coating with an oil sealer.
Push Nuts for Dolly Wheel Lock Washers, Hard-To-Find Spring Steel Push-On Pus…
Fastener Size 5/8. 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.