6" x 3" Ductile Steel V-Groove Wheel, 7/8" Wide Groove - 5,000 Lbs Capacity Ground Support Equipment casters though slightly less than forged

though slightly less than forged steel

they can also operate off the track thanks to the tread on either side of the v-groove

For a floor-friendly alternative with high weight capacity

when it comes time to replace the caster they have to cut them off

6" x 3" Ductile Steel V-Groove Wheel, 7/8" Wide Groove - 5,000 Lbs Capacity Ground Support Equipment casters though slightly less than forged6" x 3" Ductile Steel V Groove Wheel Part # LDVG630S V Groove wheels are designed to guide equipment along inverted angle iron tracks but can also function without a track due to the tread on both sides of the V groove. Made from a combination of alloys that provide excellent tensile strength, these wheels come with extra thick treads, hubs & walls. Ductile steel is a step up from cast iron, offering higher capacity & temperatures. For even greater