4-1/2″ x 6-1/4″ Wide Tread plate casters — industrial top-plate mount casters with the 4-1/2″ x 6-1/4″ Wide Tread bolt-hole pattern. Capacity to 2,500 lb per caster on 5″ - 8″ w/ 3″ wide tread wheels. Specified for soft floors, parquet, aircraft hangars, sensitive flooring under heavy loads. 32 styles stocked across Hamilton, Albion, Faultless, Caster Concepts, and Service Caster series. Standard bolt pattern: 3-3/8″ x 5-1/4″. Stocked at our Mansfield, TX facility for same or next-day shipping.
Standard configurations and capacity tiers stocked for 4-1/2″ x 6-1/4″ Wide Tread top-plate casters. Match wheel size to floor condition and load.
| Spec | Standard | Best For |
|---|---|---|
| Plate Size | 4-1/2″ x 6-1/4″ Wide Tread | Match existing equipment bolt pattern |
| Bolt Pattern | 3-3/8″ x 5-1/4″ | Verify with calipers before ordering |
| Capacity Range | Up to 2,500 lb per caster | soft floors, parquet, aircraft hangars, sensitive flooring under heavy loads |
| Wheel Sizes | 5″ - 8″ w/ 3″ wide tread | Larger wheels = lower push force, higher deck |
| Tier Class | Wide Tread Heavy Duty | Spec match to load + duty cycle |
| Brands Stocked | Hamilton, Albion, Faultless, Caster Concepts | Cross-reference supported |
| Configurations | Swivel, Rigid, Total Lock, Brake | Spec at order |
| Ship Time | Same-day before 3pm CT | Mansfield, TX warehouse |
Measure your existing equipment plate bolt-hole pattern with calipers. The 4-1/2″ x 6-1/4″ Wide Tread plate uses a 3-3/8″ x 5-1/4″ bolt pattern. Replacement casters must match BOTH the overall plate dimensions AND the bolt-hole spacing — even 1/16″ off prevents bolt-for-bolt install. Photograph the existing mount and email info@casterhq.com if unsure.
Total cart load divided by 4 casters, plus 30% safety margin (50% for outdoor or shock applications). The 4-1/2″ x 6-1/4″ Wide Tread plate supports up to 2,500 lb per caster — that’s 10,000 lb total cart capacity at 4 casters. Match to your actual load, don’t exceed.
Available wheel range: 5″ - 8″ w/ 3″ wide tread. Smooth concrete: smaller wheels work. Floor seams, thresholds, debris: 6″+ minimum. Outdoor or rough surfaces: 8″+ required. Larger wheels reduce push force by ~30% per 2″ diameter increase.
Standard options for 4-1/2 x 6-1/4 wide plate: poly-on-iron (highest capacity, non-marking), cast iron (max capacity, marks floors), phenolic (heat-resistant), polyurethane (non-marking, quiet), pneumatic (rough terrain, shock absorption). Email info@casterhq.com with environment for material recommendation.
A top-plate mount industrial caster sized for the 4-1/2″ x 6-1/4″ Wide Tread bolt pattern. Capacity up to 2,500 lb per caster on 5″ - 8″ w/ 3″ wide tread wheels. The plate dimensions and bolt pattern (3-3/8″ x 5-1/4″) determine compatibility with existing equipment mounts.
Up to 2,500 lb per caster at static rating. For a 4-caster cart: 10,000 lb total capacity. Always size 30% above your peak load for safety margin (50% for shock-load applications).
The 4-1/2″ x 6-1/4″ Wide Tread plate supports 5″ - 8″ w/ 3″ wide tread wheels in standard configurations. Larger wheels require longer hub bores but the top-plate dimensions stay constant. Verify wheel-to-floor clearance after install.
Measure your existing mount with calipers: overall plate dimensions (4-1/2″ x 6-1/4″ Wide Tread) AND bolt-hole spacing (3-3/8″ x 5-1/4″). Both must match for bolt-for-bolt replacement. Photograph the existing caster mount and email info@casterhq.com for cross-reference verification.
Hamilton (heaviest capacity, mil-spec), Albion (USA-made, widest selection), Faultless (economy industrial), Caster Concepts (custom-engineered, fastest lead time for non-stock), and Service Caster (light-to-medium duty). All cross-reference supported.
Standard 4-1/2″ x 6-1/4″ Wide Tread casters: zinc-plated or zinc-yellow chromate steel for indoor industrial. Stainless (304 or 316) for wet, washdown, food, pharma, chemical environments. Stainless costs 2-3x more and capacity is 70-80% of equivalent steel. Specify by environment.
Industrial plate casters ship without bolts — bolt length depends on frame thickness. Standard bolt sizes for 4-1/2″ x 6-1/4″ Wide Tread plate: 5/16″-18 to 1/2″-13 grade 5 zinc-plated. Use 4 bolts + lock washers + nuts per caster.
Stock 4-1/2″ x 6-1/4″ Wide Tread casters ship same day from Mansfield, TX before 3pm CT. Freight-class sizes (2,500 lb capacity and above) are quoted at order. Engineer cross-reference: next-business-day response from info@casterhq.com.
