{"product_id":"heavy-duty-cast-iron-castor-wheels-3-4-swivel-brake-fixed-industrial","title":"Heavy Duty Cast Iron Castor Wheels 3\" 4\" – Fixed \/ Swivel \/ Brake | Industrial \u0026 Furniture","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"\u003e\u003cmeta name=\"description\" content=\"Cast iron caster wheels. Solid cast iron material, galvanized steel frame. 2 sizes (75mm\/100mm), 2 mount types (Swivel\/Swivel+Brake). 90–100kg load capacity. 360° swivel, anti-rust, ideal for heavy-duty industrial use on hard surfaces.\"\u003e \u003cmeta name=\"keywords\" content=\"cast iron caster wheels, solid cast iron castors, galvanized steel casters, industrial cast iron wheels, 75mm cast iron castors, 100mm casters, swivel cast iron wheels, brake castors, heavy duty cast iron, workshop casters, concrete floor wheels\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n@import url('https:\/\/fonts.googleapis.com\/css2?family=Barlow+Condensed:wght@600;700;800\u0026family=Barlow:wght@400;500;600\u0026display=swap');\n\n.pc*{box-sizing:border-box}\n.pc{font-family:'Barlow',system-ui,sans-serif;color:#1a1a1a;max-width:900px;margin:0 auto;line-height:1.5;background:#f4f1ec}\n\n\/* header *\/\n.pc-hd{background:#1c1c1c;border:3px solid #88929e;padding:22px 26px 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Condensed',system-ui,sans-serif;font-weight:700;text-transform:uppercase;font-size:12px;letter-spacing:.05em;background:#f4f1ec;width:38%}\n.specs-table tr:nth-child(odd) td{background:#fafafa}\n.specs-table tr:nth-child(even) td{background:#fff}\n\n@media(max-width:600px){\n  .pc-sec,.pc-sec-dk,.pc-hd,.pc-warn-in{padding:14px 14px}\n  .uc-grid{grid-template-columns:repeat(2,1fr)}\n  .specs-table td,.specs-table th{padding:8px 10px}\n}\n\u003c\/style\u003e\n\u003cdiv class=\"pc\"\u003e\n\u003c!-- H1 HEADER --\u003e\n\u003cdiv class=\"pc-hd\"\u003e\n\u003cdiv class=\"pc-hd-tags\"\u003e\n\u003cspan class=\"pc-tag-o\"\u003eIndustrial Grade · Heavy Duty\u003c\/span\u003e \u003cspan class=\"pc-tag-g\"\u003eSKU: WEIJIA-CASTOR-IRON-SW\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch1 class=\"pc-h1\"\u003eCast Iron Caster Wheels\u003cbr\u003e\u003cspan\u003eSolid Cast Iron · Galvanized Frame · Heavy Duty\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp class=\"pc-sub\"\u003eAvailable in 2 sizes (75mm\/100mm) · 2 mount types (Swivel\/Swivel+Brake) · Load up to 100 kg per wheel\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- BADGES --\u003e\n\u003cdiv class=\"pc-bdg\"\u003e\n\u003cspan class=\"b-o\"\u003e⚙️ Solid Cast Iron · Extreme Durability\u003c\/span\u003e \u003cspan class=\"b-g\"\u003eGalvanized Steel Frame · Anti-Rust\u003c\/span\u003e \u003cspan class=\"b-g\"\u003e360° Swivel\u003c\/span\u003e \u003cspan class=\"b-g\"\u003eIdeal for Concrete\/Hard Surfaces\u003c\/span\u003e \u003cspan class=\"b-g\"\u003eHeavy Duty Industrial Use\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003c!-- PRICE NOTE --\u003e\n\u003cdiv class=\"pc-sec pc-sec-first\"\u003e\n\u003cdiv class=\"price-badge\"\u003e🔩 INDUSTRIAL GRADE CAST IRON — BUILT TO LAST\u003c\/div\u003e\n\u003cdiv class=\"kit-box\"\u003e\n\u003cdiv class=\"kit-ttl\"\u003e📦 Most Popular Configuration — 4-Wheel Set \u003cspan\u003eBest Seller\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"kit-body\"\u003e\n\u003cstrong\u003eRecommended set:\u003c\/strong\u003e 2 x Swivel Castors + 2 x Swivel with Brake Castors.\u003cbr\u003eCast iron wheels are ideal for heavy-duty industrial applications on hard surfaces like concrete floors, workshop floors, and factory environments.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- ⛔ WARNING --\u003e\n\u003cdiv class=\"pc-warn\"\u003e\n\u003cdiv class=\"pc-warn-in\"\u003e\n\u003cdiv class=\"pc-warn-ico\"\u003e⛔\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"pc-warn-ttl\"\u003eStop — Check Plate Size Before Ordering\u003c\/div\u003e\n\u003cdiv class=\"pc-warn-body\"\u003e\n\u003cstrong\u003e1. Verify top plate dimensions:\u003c\/strong\u003e Top plate size is \u003cstrong\u003e9.4cm × 6.3cm\u003c\/strong\u003e (94mm × 63mm). Hole spacing (centre to centre) is \u003cstrong\u003e7.5cm × 4.5cm\u003c\/strong\u003e (75mm × 45mm). Please measure your equipment's mounting plate before purchase.\u003cbr\u003e\u003cstrong\u003e2. Calculate load per wheel:\u003c\/strong\u003e Total equipment weight ÷ number of castors = load per wheel. Cast iron is ideal for hard surfaces but may mark softer floors.\u003cbr\u003e\u003cstrong\u003e3. Surface compatibility:\u003c\/strong\u003e Recommended for \u003cstrong\u003ehard surfaces, concrete floors, industrial workshop floors\u003c\/strong\u003e. Not recommended for delicate flooring like hardwood or polished tile.\u003c\/div\u003e\n\u003cdiv class=\"pc-warn-pills\"\u003e\n\u003cspan class=\"pc-warn-pill\"\u003ePlate Size: 94×63mm\u003c\/span\u003e \u003cspan class=\"pc-warn-pill\"\u003eHole Spacing: 75×45mm\u003c\/span\u003e \u003cspan class=\"pc-warn-pill\"\u003eLoad: 90-100kg per wheel\u003c\/span\u003e \u003cspan class=\"pc-warn-pill\"\u003eFor Hard Surfaces Only\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- USE CASE SELECTOR --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eFind Your Size — Select Your Application\u003c\/h2\u003e\n\u003cdiv class=\"uc-grid\"\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e🏭\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003eFactory \/ Industrial\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e4″ Swivel+Brake\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eHard concrete floors · Heavy loads\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e🔧\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003eWorkshop Equipment\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e3″ Swivel\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eDurable · Long lasting\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e🏗️\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003eWarehouse \/ Logistics\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e4″ + Brake\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eExtreme durability\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e⚙️\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003eHeavy Machinery\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e4″ Fixed or Swivel\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eStable · High load capacity\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e📦\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003ePallet \/ Transport Cart\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e4″ Swivel+Brake\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eLockable · Industrial grade\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-card\"\u003e\n\u003cdiv class=\"uc-ico\"\u003e🏪\u003c\/div\u003e\n\u003cdiv class=\"uc-lbl\"\u003eGarage \/ Workshop\u003c\/div\u003e\n\u003cdiv class=\"uc-rec\"\u003e→ Recommend: \u003cstrong\u003e3″ Swivel\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"uc-note\"\u003eOil resistant · Tough\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- PRODUCT DESCRIPTION --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eProduct Description — Cast Iron Series\u003c\/h2\u003e\n\u003cp style=\"font-size: 14px; color: #333; margin: 0 0 12px; line-height: 1.7;\"\u003eThese \u003cstrong\u003esolid cast iron caster wheels\u003c\/strong\u003e are engineered for the most demanding industrial environments. Cast iron is renowned for its \u003cstrong\u003eextreme durability, high load capacity, and resistance to wear\u003c\/strong\u003e — making these casters the go-to choice for factories, warehouses, and heavy-duty workshop equipment.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #333; margin: 0 0 12px; line-height: 1.7;\"\u003eThe \u003cstrong\u003egalvanized steel frame\u003c\/strong\u003e provides excellent anti-rust protection, ensuring long service life even in challenging conditions. The \u003cstrong\u003enatural cast iron finish\u003c\/strong\u003e (grey-metal colour) is classic industrial — no paint to chip or peel, just solid, reliable metal. \u003cstrong\u003e360° swivel\u003c\/strong\u003e design offers full manoeuvrability.\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; color: #333; margin: 0; line-height: 1.7;\"\u003eAvailable in \u003cstrong\u003etwo diameters (75mm \/ 3″ and 100mm \/ 4″)\u003c\/strong\u003e and \u003cstrong\u003etwo mounting configurations\u003c\/strong\u003e — Swivel and Swivel+Brake. \u003cstrong\u003eImportant:\u003c\/strong\u003e Cast iron wheels are recommended for \u003cstrong\u003ehard surfaces only\u003c\/strong\u003e (concrete, industrial floors). They may damage softer flooring like hardwood or polished tile.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- WHY CHOOSE CAST IRON --\u003e\n\u003cdiv class=\"pc-sec-dk\"\u003e\n\u003ch2 class=\"pc-h2 pc-h2-lt\"\u003eWhy Choose Cast Iron Casters? — Industrial Strength\u003c\/h2\u003e\n\u003cdiv class=\"wg\"\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e⚙️ Extreme Durability\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003eSolid cast iron construction is incredibly tough — won't crack, chip, or deform under heavy loads. Outlasts plastic, rubber, and many metal alternatives.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e🏋️ High Load Capacity\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003e90kg (3″) and 100kg (4″) per wheel. Cast iron's compressive strength makes it ideal for heavy stationary or rolling equipment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e🔩 Anti-Rust Frame\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003eGalvanized steel frame provides excellent corrosion resistance. Perfect for workshops, garages, and industrial environments.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e🛞 Smooth on Hard Surfaces\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003eCast iron rolls smoothly on concrete, sealed concrete, epoxy floors, and industrial hard surfaces. Minimal rolling resistance.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e🧪 Chemical Resistant\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003eImpervious to oils, greases, solvents, and most industrial chemicals. Won't degrade like rubber or plastic casters.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"wc\"\u003e\n\u003cdiv class=\"wc-ttl\"\u003e💰 Long Term Value\u003c\/div\u003e\n\u003cdiv class=\"wc-body\"\u003eCast iron wheels last for decades. No cracking, no flat spots, no material breakdown. One-time investment for industrial applications.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- TECHNICAL SPECIFICATIONS TABLE --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"ow\"\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eWheel Material\u003c\/th\u003e\n\u003ctd\u003eSolid Cast Iron (Grey-metal colour)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrame Material\u003c\/th\u003e\n\u003ctd\u003eGalvanized Steel (Anti-Rust, Silver finish)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType Options\u003c\/th\u003e\n\u003ctd\u003eSwivel Plate \/ Swivel Plate with Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTop Plate Size\u003c\/th\u003e\n\u003ctd\u003e9.4cm × 6.3cm (94mm × 63mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHole Distance (Centre to Centre)\u003c\/th\u003e\n\u003ctd\u003e7.5cm × 4.5cm (75mm × 45mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWheel Diameter \u0026amp; Capacity\u003c\/th\u003e\n\u003ctd\u003e3″ (75mm) – 90kg each | 4″ (100mm) – 100kg each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMovement\u003c\/th\u003e\n\u003ctd\u003e360° Swivel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Surfaces\u003c\/th\u003e\n\u003ctd\u003eHard surfaces, concrete floors, industrial workshop floors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU Reference\u003c\/th\u003e\n\u003ctd\u003eWEIJIA-CASTOR-IRON-SW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- LOAD SUMMARY --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eSize \u0026amp; Load Capacity — At a Glance\u003c\/h2\u003e\n\u003cdiv class=\"ow\"\u003e\n\u003ctable class=\"tl\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eTop Plate\u003c\/th\u003e\n\u003cth\u003eHole Spacing\u003c\/th\u003e\n\u003cth class=\"lc\"\u003e⚡ Load \/ Wheel\u003c\/th\u003e\n\u003cth\u003eSwivel\u003c\/th\u003e\n\u003cth\u003eBrake Option\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e3″ \u003cspan style=\"color: #888; font-size: 12px;\"\u003e(75mm)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e75mm\u003c\/td\u003e\n\u003ctd\u003e94×63mm\u003c\/td\u003e\n\u003ctd\u003e75×45mm\u003c\/td\u003e\n\u003ctd class=\"lv\"\u003e90 kg\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"bs\"\u003e\n\u003ctd\u003e4″ \u003cspan style=\"color: #888; font-size: 12px;\"\u003e(100mm)\u003c\/span\u003e\u003cspan class=\"bs-pill\"\u003eBest Seller\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd\u003e100mm\u003c\/td\u003e\n\u003ctd\u003e94×63mm\u003c\/td\u003e\n\u003ctd\u003e75×45mm\u003c\/td\u003e\n\u003ctd class=\"lv\"\u003e100 kg\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 10px; font-size: 12px; color: #888;\"\u003e* Load capacity is per individual wheel under normal conditions. Divide total equipment weight by number of castors.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- FULL CONFIG SPECS — 2 Mount Types (Swivel \/ Swivel+Brake) --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eFull Configuration Specifications — Cast Iron Series\u003c\/h2\u003e\n\u003cp style=\"font-size: 12px; color: #666; margin-bottom: 16px;\"\u003e⚠️ Please check top plate size (9.4cm × 6.3cm) and hole spacing (7.5cm × 4.5cm) before purchase to ensure compatibility with your equipment.\u003c\/p\u003e\n\n\u003c!-- 75mm \/ 3\" --\u003e\n\u003cdiv class=\"cb\"\u003e\n\u003cdiv class=\"cb-lbl\"\u003e3″ (75mm) · Solid Cast Iron · 90 kg Capacity\u003c\/div\u003e\n\u003cdiv class=\"ow\"\u003e\n\u003ctable class=\"ct\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSwivel\u003c\/th\u003e\n\u003cth\u003eSwivel+Brake\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eWheel Material\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSolid Cast Iron (Grey-metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eFrame Material\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eGalvanized Steel · Anti-Rust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e75mm (3″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eTop Plate Size\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e94mm × 63mm (9.4cm × 6.3cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eHole Spacing (C-C)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e75mm × 45mm (7.5cm × 4.5cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003e360° Swivel\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eBrake\u003c\/td\u003e\n\u003ctd class=\"no\"\u003e✗\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"lr\"\u003e\n\u003ctd class=\"rl\"\u003eLoad Capacity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e90 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- 100mm \/ 4\" BEST SELLER --\u003e\n\u003cdiv class=\"cb\"\u003e\n\u003cdiv class=\"cb-lbl cb-lbl-bs\"\u003e⭐ 4″ (100mm) · Solid Cast Iron · 100 kg Capacity — BEST SELLER\u003c\/div\u003e\n\u003cdiv class=\"ow\"\u003e\n\u003ctable class=\"ct ct-bs\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSwivel\u003c\/th\u003e\n\u003cth\u003eSwivel+Brake\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eWheel Material\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eSolid Cast Iron (Grey-metal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eFrame Material\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003eGalvanized Steel · Anti-Rust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e100mm (4″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eTop Plate Size\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e94mm × 63mm (9.4cm × 6.3cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eHole Spacing (C-C)\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e75mm × 45mm (7.5cm × 4.5cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003e360° Swivel\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"rl\"\u003eBrake\u003c\/td\u003e\n\u003ctd class=\"no\"\u003e✗\u003c\/td\u003e\n\u003ctd class=\"yes\"\u003e✔\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"lr\"\u003e\n\u003ctd class=\"rl\"\u003eLoad Capacity\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003e100 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- IMPORTANT NOTE --\u003e\n\u003cdiv class=\"note-box\"\u003e\n\u003cstrong\u003e⚠️ Important Note:\u003c\/strong\u003e Please check top plate size (9.4cm × 6.3cm) and hole spacing (7.5cm × 4.5cm) before purchase to ensure compatibility with your equipment. Load capacity is rated per wheel under normal conditions. Cast iron wheels are ideal for hard surfaces and heavy-duty use.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- end full config --\u003e\n\n\u003c!-- USAGE NOTES --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eUsage Notes — Cast Iron Specific\u003c\/h2\u003e\n\u003cdiv class=\"ng\"\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eLoad Calculation\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003eDivide total equipment weight by number of castors. Example: 360 kg machine ÷ 4 wheels = 90 kg per wheel → choose 4″ (100 kg rated). Cast iron handles heavy static and dynamic loads well.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eSurface Compatibility — CRITICAL\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003eCast iron is designed for \u003cstrong\u003ehard surfaces only\u003c\/strong\u003e — concrete, sealed concrete, epoxy floors, industrial hard floors. \u003cstrong\u003eNOT recommended for:\u003c\/strong\u003e hardwood, tile, vinyl, marble, or any delicate flooring.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eRecommended Set Configuration\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003e\n\u003cstrong\u003eMost popular:\u003c\/strong\u003e 2 x Swivel + 2 x Swivel with Brake.\u003cbr\u003e\nFor straight-line applications: Use fixed castors on one side (if available).\u003cbr\u003e\nFor maximum security: Use brake on all wheels.\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eMounting Verification\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003eTop plate: \u003cstrong\u003e94mm × 63mm\u003c\/strong\u003e\u003cbr\u003eHole spacing (C-C): \u003cstrong\u003e75mm × 45mm\u003c\/strong\u003e\u003cbr\u003eMeasure your equipment's mounting holes before ordering.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eMaintenance\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003eCast iron requires minimal maintenance. Keep swivel mechanism clean. Periodically check bolt tightness. Wipe with dry cloth — no special cleaners needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"nc\"\u003e\n\u003cdiv class=\"nc-ttl\"\u003eNoise Level\u003c\/div\u003e\n\u003cdiv class=\"nc-body\"\u003eCast iron on concrete will produce more noise than rubber or PU wheels. This is normal for industrial applications. Wear appropriate hearing protection if needed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- SUITABLE FOR --\u003e\n\u003cdiv class=\"pc-sec\"\u003e\n\u003ch2 class=\"pc-h2\"\u003eSuitable For — Industrial \u0026amp; Workshop Applications\u003c\/h2\u003e\n\u003cdiv class=\"ow\"\u003e\n\u003ctable class=\"ts\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth style=\"width: 155px; text-align: center;\"\u003eRecommended Size\u003c\/th\u003e\n\u003cth\u003eKey Benefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e🏭 Factory \/ Manufacturing Equipment\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel+Brake\u003c\/td\u003e\n\u003ctd\u003eExtreme durability · Chemical resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e🔧 Workshop \/ Tool Stands\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e3″ Swivel\u003c\/td\u003e\n\u003ctd\u003eStable · Long lasting · No flat spots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e🏗️ Warehouse Racking \/ Carts\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel+Brake\u003c\/td\u003e\n\u003ctd\u003eHigh load · Lockable · Smooth rolling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e⚙️ Heavy Machinery Bases\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Fixed or Swivel\u003c\/td\u003e\n\u003ctd\u003eMaximum stability · High load capacity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e📦 Industrial Transport Carts\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel+Brake\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel+Brake\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003eGarage \/ Automotive\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e3″ or 4″ Swivel\u003c\/td\u003e\n\u003ctd\u003eOil resistant · Tough\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"font-weight: 600;\"\u003e🏪 Concrete Floor Equipment\u003c\/td\u003e\n\u003ctd class=\"rs\"\u003e4″ Swivel\u003c\/td\u003e\n\u003ctd\u003eIdeal for hard surfaces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003c!-- MATERIAL EXPLAINED --\u003e\n\u003cdiv class=\"pc-sec-dk\"\u003e\n\u003ch2 class=\"pc-h2 pc-h2-lt\"\u003eWhat is Cast Iron? — Material Explained\u003c\/h2\u003e\n\u003cp class=\"mb\"\u003e\u003cstrong\u003eCast Iron\u003c\/strong\u003e is a group of iron-carbon alloys with a carbon content greater than 2%. It is known for its \u003cstrong\u003eexcellent compressive strength, wear resistance, and durability\u003c\/strong\u003e. Unlike steel or other metals, cast iron has natural lubricity (graphite content) that reduces friction when rolling on hard surfaces.\u003c\/p\u003e\n\u003cp class=\"mb\"\u003eThe \u003cstrong\u003esolid cast iron wheels\u003c\/strong\u003e in this series are cast in one piece — no seams, no joints, no weak points. The material is \u003cstrong\u003eimpervious to oils, greases, solvents, and most industrial chemicals\u003c\/strong\u003e. Cast iron will not crack, chip, or deform under heavy loads, making it ideal for stationary equipment that needs occasional movement or heavy carts on concrete floors.\u003c\/p\u003e\n\u003cp class=\"mb\"\u003eThe \u003cstrong\u003egalvanized steel frame\u003c\/strong\u003e provides excellent corrosion resistance. Galvanization is a process of applying a protective zinc coating to steel to prevent rusting. The result is a \u003cstrong\u003esilver-grey finish\u003c\/strong\u003e that matches the cast iron wheels perfectly. \u003cstrong\u003eImportant surface note:\u003c\/strong\u003e Cast iron wheels are designed for \u003cstrong\u003ehard surfaces only\u003c\/strong\u003e (concrete, industrial floors). They will mark or damage softer flooring like hardwood, tile, or vinyl. For delicate floors, consider PU or TPR casters instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003c!-- SEO FOOTER --\u003e\n\u003cdiv class=\"sf\"\u003e\n\u003cdiv class=\"sf-lbl\"\u003eRelated Searches\u003c\/div\u003e\n\u003cdiv class=\"sf-tags\"\u003ecast iron caster wheels · solid cast iron castors · galvanized steel casters · industrial cast iron wheels · 75mm cast iron castors · 100mm casters · swivel cast iron wheels · brake castors · heavy duty cast iron · workshop casters · concrete floor wheels · factory equipment castors · WEIJIA casters · anti-rust castor wheels · heavy machinery wheels · industrial transport castors · garage tool wheels · pallet truck casters · high load capacity castors · durable industrial wheels\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- end .pc --\u003e","brand":"WEIJIA WHOLESALE","offers":[{"title":"3\" \/ SWIVEL PLATE","offer_id":48840609923315,"sku":"3WMS","price":8.5,"currency_code":"AUD","in_stock":true},{"title":"3\" \/ SWIVLE BRAKE PLATE","offer_id":48840609956083,"sku":"3WMSB","price":10.0,"currency_code":"AUD","in_stock":true},{"title":"4\" \/ SWIVEL PLATE","offer_id":48840607891699,"sku":"4WMS","price":13.0,"currency_code":"AUD","in_stock":true},{"title":"4\" \/ SWIVLE BRAKE PLATE","offer_id":48840607924467,"sku":"4WMSB","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/8811\/5699\/files\/Gemini_Generated_Image_6lcm56lcm56lcm56.png?v=1776307292","url":"https:\/\/wj-wholesale.com.au\/products\/heavy-duty-cast-iron-castor-wheels-3-4-swivel-brake-fixed-industrial","provider":"WEIJIA WHOLESALE","version":"1.0","type":"link"}