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H2 Heavy Duty 4inch PU Swivel Castor Wheels Customizable Industrial Caster Wheels¹

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Product DescriptionProduct DescriptionH2 Heavy Duty Type Double ball bearing PU Caster H5 Heavy Duty Type Double ball bearing PU Caster H18 Heavy Duty Type Double ball bearing PU Caster1. Fixed Type2. Top Plate Swivel Type3. Top Plate Total Brake Type4. Top Plate Side Brake Type1. Fixed Type2. Top Plate Swivel Type3. Top Plate Total Brake Type4. Top Plate Side Brake Type1. Fixed Type2. Top Plate Swivel Type3. Top Plate Total Brake Type4. Top Plate Side Brake TypeApplication Scenarios1. Warehouse & Logistics: Handcart, Flatbed truck, Shelf ,Forklift Or Those Which Need high load impact-resistant casters2.Production Lines: Assembly cart, workbench, tool cart, material rack. Need flexible movement and precise positioning, often with braking function.3.Heavy-Duty Equipment: Heavy-duty caster wheels for large machinery, generators, machine tools, etc.4.Cleaning & Sanitation: Scrubber, vacuum cleaner, trash can, cleaning vehicle. Need corrosion-resistant, easy-to-clean casters.5.Shopping Carts & Shelving: shop display stands; promotional carts. Quiet, flexible, wear-resistant casters are needed.6.Hospitality & Catering: Service car; dining car; luggage car; kitchen equipment; insulated food cart. Need to be easy to clean, resistant to oil stains, and sometimes need be silent casters.7.Office Environments: File cabinet, mobile whiteboard, projector stand, computer tower cabinet. Universally used, focusing on silence and floor protection.8.Furniture: End table, TV stand, storage box. Convenient to move for cleaning or space reorganization.9. Home Appliances: Washing machine; refrigerator; vacuum cleaner; air purifier. Convenient to move for maintenance or cleaning.10.Toys & Creative Supplies: handicrafts, easels11. Aviation & Aerospace: Aircraft catering trolley; baggage tug; ground support equipment12 .Stage & Entertainment: Moving sound equipment, lighting stands, instrument stands, stage sets. Need stable, silent casters that won't damage the floor.Tread MaterialPU on PPWheel Diameter4 - 8 inch availableLoad Capacity250kg - 500kgTread ColorCustomizedFork MaterialNormal SteelBearing TypePrecision Ball Bearing / Roller Bearing, etcMounting TypeRigid, Swivel, BrakeModel NumberCustomizedMain ProductCompany Profile"ZhongShan Kezhi Metal Products Co.,It" is located in " hardware production bases of China". We research,design, man- ufacture,sell caster as well as provide after-sales services .Besides ,we have scale suitable, the technology is accurate , the process flow controls reliably , the excellent synthetical mass type produces enterprise.Our company has Strict and scientific regulatory regime, specialized technicians, and the well-qualified workers ,new assembly line and advanced advance product equipment make our enterprise gain fine economic and social benefit.Sticking to "Quality and Credit First ,All for Customers" we ,have entered both domestic and over- seas markets .Kezhi Caster are well recognized by consumers and the caster wheel industry.We shall make continuous efforts to cooperate with all customers to promote mutual development.Company AdvantagesOur Certificate & ExhibitionService & Packaging and ShippingFAQQ: How do l choose the right casters for my equipment?A:Selecting the right caster involves considering several key factors.(1)Load Capacity:Calculate the load each caster needs to bear (total weight divided by the number of casters, incorporating a safety factor of 1.2-1.5).(2)Operating Environment: Indoor/outdoor? Floor type (epoxy, tile, carpet, rough concrete)? Exposure to oil, water, chemicals, or extreme temperatures?(3)Functional Needs: Do you need fixed ,swivel , swivel wheel braking or total braking, Requirements for noise reduction, anti-static properties, or stem guards?(4)Mounting Type: Plate mount (bolt holes), threaded stem, grip ring stem, expanding adapter, etc.(5)Wheel Material: Choose based on environment and load-e.g., PP/PA polyurethane (PU), PVC ,rubber, TPR, or cast iron .Q: What is the difference between nylon, polyurethane(PU), and rubber wheels? How do I choose?A:Nylon Wheels (PP/PA):High hardness, excellent load capacity,(wear-resistant), and resistant to many chemicals. Can be noisy and may mark floors. Ideal for heavy-duty industrial use on rough surfaces.Polyurethane Wheels (PU):Excellent elasticity, high load capacity, extremely (wear-resistant), super quiet, and very floor-friendly(non-marking). The premium choice for many industrial applications, but often higher cost.Rubber/TPR Wheels: Good shock absorption, quiet operation, and floor-friendly. Generally have a lower load capacity and can be de- graded by oil and chemicals. Best for light-medium duty, office furniture, and medical equipment.Q: What do "Dynamic Load" and "Static Load" mean for casters?A:Dynamic Load: The maximum weight a caster can safely bear while in motionStatic Load: The maximum weight a caster can support when the equipment is stationaryStatic load ratings are always significantly higher than dynamic load ratings. Always base your selection on the dynamic load capacity.Q: Can you provide special casters for high-temperature, chemical-resistant, or anti-static applications? A: Yes, we offer a range of specialty casters:High-Temp: Features high-temperature grease, heat-resistant wheels (e.g., phenolic), and sometimes metal wheels.Chemical-Resistant: wheels made from specific compounds like Vulkollan or EPDM rubber, and stainless steel or plastic swivel assem- blies.Anti-Static/Conductive: Wheels with carbon additives to dissipate static electricity, crucial for electronics manufacturing and explo-sive environments.Q: What are the different types of brakes? A: Common brake types include:Total Brake / Dual Brake:Locks both the wheel's rotation and the swivel movement. Wheel Brake: Only locks the wheel, allowing the caster to swivel.Swivel Lock / Directional Lock:Only locks the swivel, allowing the wheel to roll straight. Step-On Brake: Activated by foot pressureQ: What is your typical production lead time?A:For standard products, the lead time is typically 3-7days after order confirmation. For large custom orders, the lead time will be con- firmed based on the project's complexity and quantity. Q: What quality control processes do you have in place? A: We implement a rigorous QC system that includes:Incoming Inspection:Checking raw materials.In-Process Inspection (IPQC):Monitoring production stages (stamping, welding, heat treatment, assembly).Final Random Inspection(FRI):Testing finished products for load capacity, rotation, brake function, and appearance against agreed standardsLoad Testing: We perform destructive and non-destructive load tests on samples from each batch.Q: Can you produce custom casters according to our drawings or samples?A: Absolutely. We are an OEM/ODM manufacturer with strong R&D and tooling capabilities. We can develop custom solutions based on your specifications, samples, or drawings.Q: What materials are used for the top plate and swivel mechanism? A: The housing is typically made from:Pressed Steel: Most common, cost-effective, and strong. Often zinc-plated for corrosion resistance.Stainless Steel (e.g., SS304/SS316): For corrosive, humid, or cleanroom environments (food, medical, chemical). Nylon/Plastic: Lightweight and completely corrosion-proof for light-duty applications. Q: What type of bearings do you use in the wheel and swivel? A:Bearing choice depends on the caster series and application:Wheel Bearings: Roller bearings (for heavy loads), ball bearings (for smooth medium-duty movement), or plain bushings (for light du- ty/low cost).Swivel Bearings: Double ball races or precision ball bearings for smooth rotation and reduced swivel force.Q: What is your Minimum Order Quantity (MOQ)?A: For standard items, our MOQ can be as low as 100-500 pcs per model/specification. For custom-designed products, the MOQ will be higher to cover tooling costs. We are flexible and can discuss solutions for smaller trial orders. Q: Can you provide samples? Are they free?A: Yes, we can provide samples for quality verification. Samples are usually provided for a charge, which is refundable if a subsequent order is placed. Freight costs are typically borne by the customer.Q: What are your payment terms? A: Common terms include:T/T(Wire Transfer): 30-50% deposit, balance before shipment or against copy of B/L. Payment terms for established customers may be negotiable.Q: What certifcations do your products have?A: Our products are certified to meet international standards such as DIN ISO 9001 for quality management. Our casters can be tested and certified to meet specific performance . We can also provide compliance certificates for materials like RoHS and REACH. Q: How do you handle packaging and shipping?A: We use standard export-grade packaging: individual poly bags, inner cartons, and strong master cartons on pallets. We can ship by sea (FCL/LCL), air, or express courier (DHL, FedEx, etc.). We work with reliable freight forwarders but can also ship based on your instruc- tions.

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