{"product_id":"pressed-steel-braked-swivel-castors-with-black-polypropylene-wheel-50mm-100mm","title":"Pressed Steel Braked Swivel Castors With Black Polypropylene Wheel - 50mm to 100mm","description":"\u003cstyle\u003e*{box-sizing:border-box;margin:0;padding:0}body{font-family:'Helvetica Neue',Helvetica,Arial,sans-serif;color:#1a1a1a;background:#fff;line-height:1.7}.pd-wrap{max-width:960px;margin:0 auto;padding:36px 20px}.pd-hero{background:#f7f7f7;border-left:5px solid #1a1a1a;padding:30px 36px;margin-bottom:44px}.pd-hero h1{font-size:1.8rem;font-weight:800;letter-spacing:-0.5px;margin-bottom:14px;color:#111;line-height:1.3}.pd-hero p{font-size:1rem;color:#444;max-width:740px;line-height:1.75}.pd-section{margin-bottom:48px}.pd-section-title{font-size:0.85rem;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:#888;margin-bottom:6px}.pd-section h2{font-size:1.15rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;border-bottom:2px solid #1a1a1a;padding-bottom:8px;margin-bottom:22px;color:#111}.compare-table{width:100%;border-collapse:collapse;font-size:0.88rem;margin-bottom:10px}.compare-table th{background:#1a1a1a;color:#fff;padding:12px 16px;text-align:left;font-weight:700;letter-spacing:0.5px}.compare-table th:first-child{width:34%}.compare-table td{padding:10px 16px;border-bottom:1px solid #e4e4e4;vertical-align:middle;color:#333}.compare-table tr:nth-child(even) td{background:#f9f9f9}.compare-table tr:hover td{background:#f0f0f0;transition:background 0.15s}.compare-table td:not(:first-child){text-align:center;font-weight:500}.variant-block{border:1px solid #ddd;border-radius:6px;margin-bottom:32px;overflow:hidden;box-shadow:0 1px 4px rgba(0,0,0,0.06)}.variant-header{background:#1a1a1a;color:#fff;padding:15px 22px;font-size:1rem;font-weight:700;letter-spacing:0.5px}.variant-body{padding:24px}.spec-table{width:100%;border-collapse:collapse;font-size:0.88rem;margin-bottom:20px}.spec-table td{padding:9px 14px;border-bottom:1px solid #ebebeb;vertical-align:top}.spec-table td:first-child{font-weight:700;color:#222;width:44%;background:#fafafa}.spec-table tr:last-child td{border-bottom:none}.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin-top:4px}.apps-grid p{font-size:0.88rem;color:#444;padding:6px 0;border-bottom:1px solid #f0f0f0;margin:0}.apps-grid p::before{content:'✓  ';font-weight:700;color:#1a1a1a}.sub-heading{font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:#888;margin:18px 0 10px}.faq-item{margin-bottom:24px;padding:20px 24px;background:#f7f7f7;border-left:4px solid #1a1a1a;border-radius:0 4px 4px 0}.faq-item h3{font-size:0.97rem;font-weight:800;color:#111;margin-bottom:8px}.faq-item p{font-size:0.91rem;color:#444;line-height:1.7}.note{font-size:0.8rem;color:#999;margin-top:8px;font-style:italic}@media(max-width:600px){.apps-grid{grid-template-columns:1fr}.compare-table th,.compare-table td{padding:8px 10px;font-size:0.82rem}}\u003c\/style\u003e\n\u003cdiv class=\"pd-wrap\"\u003e\n\u003cdiv class=\"pd-hero\"\u003e\n\u003ch1\u003ePressed Steel Braked Swivel Castors with Black Polypropylene Wheel — 50mm to 100mm\u003c\/h1\u003e\n\u003cp\u003eA pressed steel swivel castor fitted with a hard-wearing black polypropylene wheel and an integrated foot brake. Designed for light to medium-duty applications where controlled mobility and secure, stationary positioning are both required. Mounted via a four-hole top plate for straightforward, bolt-on installation across a wide range of equipment, furniture, and industrial fixtures. Available in three wheel diameters — 50mm, 75mm, and 100mm — each matched to a specific load rating to suit your exact requirements.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-section\"\u003e\n\u003cdiv class=\"pd-section-title\"\u003eAt a Glance\u003c\/div\u003e\n\u003ch2\u003eQuick Comparison — All Options\u003c\/h2\u003e\n\u003ctable class=\"compare-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003e50mm — 65 kg\u003c\/th\u003e\n\u003cth\u003e75mm — 75 kg\u003c\/th\u003e\n\u003cth\u003e100mm — 85 kg\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Capacity (per castor)\u003c\/td\u003e\n\u003ctd\u003e65 kg\u003c\/td\u003e\n\u003ctd\u003e75 kg\u003c\/td\u003e\n\u003ctd\u003e85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load — 4 Castors\u003c\/td\u003e\n\u003ctd\u003e195 kg\u003c\/td\u003e\n\u003ctd\u003e225 kg\u003c\/td\u003e\n\u003ctd\u003e255 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Castor Height\u003c\/td\u003e\n\u003ctd\u003e72 mm\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003ctd\u003e122 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Width\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwivel Radius\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003ctd\u003e92 mm\u003c\/td\u003e\n\u003ctd\u003e97 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Size\u003c\/td\u003e\n\u003ctd\u003e60 x 60 mm\u003c\/td\u003e\n\u003ctd\u003e60 x 60 mm\u003c\/td\u003e\n\u003ctd\u003e60 x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHole Centres (L x W)\u003c\/td\u003e\n\u003ctd\u003e48\/38 x 48\/38 mm\u003c\/td\u003e\n\u003ctd\u003e48\/38 x 48\/38 mm\u003c\/td\u003e\n\u003ctd\u003e48\/38 x 48\/38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHole Diameter\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing Material\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake\u003c\/td\u003e\n\u003ctd\u003eFoot Brake\u003c\/td\u003e\n\u003ctd\u003eFoot Brake\u003c\/td\u003e\n\u003ctd\u003eFoot Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"note\"\u003e* All measurements are nominal. Refer to individual variant specifications below for full technical details.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-section\"\u003e\n\u003cdiv class=\"pd-section-title\"\u003eVariant Specifications \u0026amp; Applications\u003c\/div\u003e\n\u003ch2\u003eDetailed Specifications by Option\u003c\/h2\u003e\n\u003cdiv class=\"variant-block\"\u003e\n\u003cdiv class=\"variant-header\"\u003e50mm Wheel \/ 65 kg Load Capacity\u003c\/div\u003e\n\u003cdiv class=\"variant-body\"\u003e\n\u003cdiv class=\"sub-heading\"\u003eFull Technical Specifications\u003c\/div\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCastor Type\u003c\/td\u003e\n\u003ctd\u003eSwivel with Brake — Top Plate Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd\u003e50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Colour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Width\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing \/ Yoke Material\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Capacity (per castor)\u003c\/td\u003e\n\u003ctd\u003e65 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Capacity (4 castors)\u003c\/td\u003e\n\u003ctd\u003e195 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Castor Height\u003c\/td\u003e\n\u003ctd\u003e72 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwivel Radius\u003c\/td\u003e\n\u003ctd\u003e80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Length\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Width\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Length\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Width\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated Foot Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sub-heading\"\u003eTypical Applications\u003c\/div\u003e\n\u003cdiv class=\"apps-grid\"\u003e\n\u003cp\u003eLight-duty retail display units and shelving\u003c\/p\u003e\n\u003cp\u003eOffice furniture and mobile pedestals\u003c\/p\u003e\n\u003cp\u003eCatering trolleys and service carts\u003c\/p\u003e\n\u003cp\u003eHospitality equipment and room service trolleys\u003c\/p\u003e\n\u003cp\u003eWorkshop tool trays and small equipment stands\u003c\/p\u003e\n\u003cp\u003eMedical and clinical auxiliary trolleys\u003c\/p\u003e\n\u003cp\u003eDomestic furniture — sofas, cabinets, and storage units\u003c\/p\u003e\n\u003cp\u003ePoint-of-sale fixtures and promotional displays\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"variant-block\"\u003e\n\u003cdiv class=\"variant-header\"\u003e75mm Wheel \/ 75 kg Load Capacity\u003c\/div\u003e\n\u003cdiv class=\"variant-body\"\u003e\n\u003cdiv class=\"sub-heading\"\u003eFull Technical Specifications\u003c\/div\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCastor Type\u003c\/td\u003e\n\u003ctd\u003eSwivel with Brake — Top Plate Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd\u003e75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Colour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Width\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing \/ Yoke Material\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Capacity (per castor)\u003c\/td\u003e\n\u003ctd\u003e75 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Capacity (4 castors)\u003c\/td\u003e\n\u003ctd\u003e225 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Castor Height\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwivel Radius\u003c\/td\u003e\n\u003ctd\u003e92 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Length\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Width\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Length\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Width\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated Foot Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sub-heading\"\u003eTypical Applications\u003c\/div\u003e\n\u003cdiv class=\"apps-grid\"\u003e\n\u003cp\u003eRetail gondola shelving and mid-floor display units\u003c\/p\u003e\n\u003cp\u003eIndustrial workbenches and mobile tool stations\u003c\/p\u003e\n\u003cp\u003eWarehouse picking trolleys and order carts\u003c\/p\u003e\n\u003cp\u003eHealthcare ward equipment and auxiliary trolleys\u003c\/p\u003e\n\u003cp\u003eCatering and food service preparation trolleys\u003c\/p\u003e\n\u003cp\u003eOffice storage units and mobile filing cabinets\u003c\/p\u003e\n\u003cp\u003eHospitality housekeeping and linen trolleys\u003c\/p\u003e\n\u003cp\u003eEducation and library mobile shelving units\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"variant-block\"\u003e\n\u003cdiv class=\"variant-header\"\u003e100mm Wheel \/ 85 kg Load Capacity\u003c\/div\u003e\n\u003cdiv class=\"variant-body\"\u003e\n\u003cdiv class=\"sub-heading\"\u003eFull Technical Specifications\u003c\/div\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCastor Type\u003c\/td\u003e\n\u003ctd\u003eSwivel with Brake — Top Plate Mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Diameter\u003c\/td\u003e\n\u003ctd\u003e100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Material\u003c\/td\u003e\n\u003ctd\u003ePolypropylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel Colour\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTread Width\u003c\/td\u003e\n\u003ctd\u003e22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing \/ Yoke Material\u003c\/td\u003e\n\u003ctd\u003ePressed Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBearing Type\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Capacity (per castor)\u003c\/td\u003e\n\u003ctd\u003e85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load Capacity (4 castors)\u003c\/td\u003e\n\u003ctd\u003e255 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Castor Height\u003c\/td\u003e\n\u003ctd\u003e122 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwivel Radius\u003c\/td\u003e\n\u003ctd\u003e97 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Length\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop Plate Width\u003c\/td\u003e\n\u003ctd\u003e60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Length\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Centres — Width\u003c\/td\u003e\n\u003ctd\u003e48 \/ 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate Hole Diameter\u003c\/td\u003e\n\u003ctd\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrake Type\u003c\/td\u003e\n\u003ctd\u003eIntegrated Foot Brake\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"sub-heading\"\u003eTypical Applications\u003c\/div\u003e\n\u003cdiv class=\"apps-grid\"\u003e\n\u003cp\u003eHeavy retail fixtures and gondola end-caps\u003c\/p\u003e\n\u003cp\u003eIndustrial platform trolleys and goods carts\u003c\/p\u003e\n\u003cp\u003eWarehouse racking base units and mobile shelving\u003c\/p\u003e\n\u003cp\u003eWorkshop equipment stands and machine bases\u003c\/p\u003e\n\u003cp\u003eHealthcare patient equipment and procedure trolleys\u003c\/p\u003e\n\u003cp\u003eHospitality banqueting trolleys and service stations\u003c\/p\u003e\n\u003cp\u003eConstruction site material handling and tool storage\u003c\/p\u003e\n\u003cp\u003eCommercial laundry and linen distribution trolleys\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pd-section\"\u003e\n\u003cdiv class=\"pd-section-title\"\u003eCustomer Questions\u003c\/div\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow do I choose the right wheel size for my application?\u003c\/h3\u003e\n\u003cp\u003eThe correct wheel size depends on two factors: the total weight of the load and the floor surface. The 50mm option (65 kg per castor, 195 kg across four) suits lighter loads on smooth, hard floors — ideal for office furniture, retail displays, and catering trolleys. The 75mm option (75 kg per castor, 225 kg across four) handles medium loads and rolls more easily over minor floor imperfections, making it well suited to workshop benches, warehouse carts, and hospitality trolleys. The 100mm option (85 kg per castor, 255 kg across four) is the strongest choice, offering the greatest ground clearance and the smoothest roll over uneven or slightly rough surfaces — recommended for heavier industrial and commercial equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat does the four-hole top plate mean, and how do I fit these castors?\u003c\/h3\u003e\n\u003cp\u003eThe four-hole top plate is the mounting interface that attaches the castor to the underside of your equipment. Each plate measures 60 x 60 mm with four bolt holes arranged in a square pattern. The hole centres are 48 mm or 38 mm apart (dual-pitch), and each hole has a 6 mm diameter — accommodating standard M6 bolts. To fit, simply align the plate with the pre-drilled holes on your equipment, insert four M6 bolts, and tighten securely. No welding or specialist tools are required, making these castors straightforward to install or replace.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eAre these castors suitable for use on hard floors such as tiles, concrete, or laminate?\u003c\/h3\u003e\n\u003cp\u003eYes. The black polypropylene wheel is a hard, rigid material that performs well on smooth, hard floor surfaces including concrete, ceramic tile, vinyl, and laminate. It is lightweight, resistant to moisture, and will not leave marks on most hard floor types under normal operating conditions. For softer floor surfaces such as carpet or rubber matting, a castor with a softer tread material would typically be more appropriate to ensure smooth rolling and reduced floor resistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow does the foot brake work, and is it suitable for sloped or uneven surfaces?\u003c\/h3\u003e\n\u003cp\u003eEach castor is fitted with an integrated foot brake that is engaged by pressing down on the brake lever with your foot and released by lifting it. When engaged, the brake locks the wheel to prevent rotation, keeping the equipment stationary. These castors are designed for use on level or near-level surfaces. On significantly sloped or uneven ground, additional securing measures — such as wheel chocks or fixed castors at key positions — are recommended to ensure safe, stable positioning.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SafetySuppliesCo","offers":[{"title":"50mm - 65 KG","offer_id":52512420036901,"sku":null,"price":19.2,"currency_code":"GBP","in_stock":true},{"title":"75mm - 75 KG","offer_id":52512420069669,"sku":null,"price":22.5,"currency_code":"GBP","in_stock":true},{"title":"100mm - 85 KG","offer_id":52512420102437,"sku":null,"price":25.85,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/1932\/9829\/files\/50-1_f6a3968f-3ce0-46f2-af28-fc470ee3381a.jpg?v=1780578256","url":"https:\/\/safetysuppliesco.co.uk\/products\/pressed-steel-braked-swivel-castors-with-black-polypropylene-wheel-50mm-100mm","provider":"safetysuppliesco.co.uk","version":"1.0","type":"link"}