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DH Casters rigid caster gives you a 3 inch heavy plastic polyolefin wheel on a plate mount, so you get a compact caster that carries up to 300 lb on shop carts and equipment. The rigid type keeps the wheel tracking in a straight line, which helps when you want carts or dollies to roll true down aisles or into tight storage areas. The 1-1/4 inch tread width concentrates the load on a smaller contact area, supporting easier rolling under rated weight on typical hard floors. A non-marking wheel supports use on finished surfaces where floor appearance matters in shops, medical and lab spaces, food service areas, and warehouses. As a plate mounted caster in the plate mounted casters category, it suits carts and equipment that accept a top plate rather than a stem, keeping installs consistent across multiple units.
This plate mount rigid caster uses a plate size of 2-3/8 inch by 3-5/8 inch, so equipment with matching plate areas can accept it as part of a set. The plate mount configuration suits flat cart corners or frames built for plate mounted casters, which supports straightforward layout when planning wheel locations. As a rigid caster, it fixes the wheel direction, so installers position it where straight tracking is needed, often paired with swivel units on the same cart. The 3 inch wheel diameter fits under many carts without raising them excessively, which helps maintain existing working heights and access for loading, unloading, and handling.
This caster is described for applications such as shop carts and equipment, medical and lab carts, food service equipment, warehouse carts, bread racks, automotive and electrical equipment, and moving dollies, so it suits a wide range of rolling fixtures in those environments. The rigid type works well on cart ends where you want straight-line movement, particularly down warehouse aisles or along walls in storage areas. On medical and lab carts, the non-marking heavy plastic polyolefin wheel supports frequent moves over smooth floors without leaving marks, which matters in areas focused on cleanliness. On food service equipment, the 3 inch diameter and 1-1/4 inch tread width help the caster roll under typical loads while keeping units at a manageable working height. For automotive and electrical equipment, the 300 lb capacity rating per caster allows carts carrying heavy components to be configured with multiple casters to support substantial total weight.
The caster features full double ball bearing heat-treated raceways, which support smooth wheel rotation and swivel race performance at the bearing level, contributing to consistent rolling under varying loads. Heat-treated raceways add durability at the bearing interface, so the caster can maintain performance under repeated movement in industrial and institutional applications. The axle and nut wheel assembly detail gives a defined wheel attachment method, supporting stable wheel rotation around the axle for predictable tracking. Zinc plating provides corrosion resistance on exposed metal parts, which matters in food service, warehouse, and shop environments where moisture or cleaning routines can contact the hardware. Combined with the non-marking heavy plastic polyolefin wheel, these construction elements help the caster deliver repeatable rolling behavior on carts, bread racks, and moving dollies while also supporting the visual condition of floors and hardware over time.
This DH Casters rigid caster has a load capacity of 300 lb, which lets planners configure carts and equipment by multiplying that rating across multiple casters to support expected total weights.
The caster uses a heavy plastic polyolefin wheel that is non-marking, which supports use on finished floors in medical, lab, food service, warehouse, and similar environments.
This caster has a 3 inch wheel diameter and a 1-1/4 inch tread width, giving a compact profile that affects cart height and contact area on the floor.
The plate mount uses a 2-3/8 inch by 3-5/8 inch plate size, which defines the mounting footprint on cart frames designed for plate mounted casters.
The caster is described for shop carts and equipment and moving dollies, so it fits those rolling fixtures within its 300 lb capacity per caster.
This caster uses zinc plating for corrosion resistance, which helps the hardware withstand exposure in food service, warehouse, and shop environments.
The DH Casters rigid caster with 3 inch heavy plastic polyolefin wheel, 300 lb load capacity, and 2-3/8 inch by 3-5/8 inch plate mount gives a defined option for carts and equipment in the described applications. When a project calls for a non-marking wheel in shop, medical, lab, food service, warehouse, bread rack, automotive, electrical, or moving dolly use, this plate mounted caster aligns with those stated environments. Use its rigid tracking behavior, compact 3 inch diameter, and corrosion-resistant zinc plating as concrete selection points when specifying casters for your next cart or equipment build.
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