Not only are they resistant to water, oil, and grease, but because they are non-metallic, are also spark proof./caster). When searching for a reliable and durable solution to your caster needs, consider Service Caster Series KP30 phenolic wheel casters.
Featuring a Kingpinless hot forged ASTM1045 steel design that increases caster durability and integrity, the series KP30 eliminates problems associated with kingpin failure due to severe shock loading.
Chrome [ 2-1/8" Dia ] [ Mount .240"] ; Set Screw Is Included, Rectangle;Anets Grill Where Applicable;Broiler Where Applicable;Cecilware Broiler Bc (After 2/87), Ccb (After 2/87),;Hdb(2031,2042), Hdc39.Series: 40/50, G30A, G280 (Except;G280-2), Gv280.