When you’re choosing wheels and castors, start with load, floor finish and how the kit needs to move. That narrows it down quickly. Swivel castors suit tight turns, fixed castors keep a run straighter, and braked castors stop movement creeping in. Rubber, nylon and polyurethane all behave differently on the floor, so the wrong wheel is what usually brings noise, marking or early wear.
Fixed Castor - 125mm 160kg
125mm white fixed plastic castor with 160kg load
Blue Spot 4 Way Wheel Wrench - 17mm to 23mm
4-way wheel wrench, 17-23 millimetres, drop forged steel
Swivel Castor - 50mm 50kg
50mm white polypropylene swivel castor with brass single screw fixing, max load …
Swivel Wheel Castor - 100mm 70kg
Grey rubber swivel castor, 100mm wheel, 70kg load capacity
Rubber Swivel Plate Brake Castor - 75mm Blue Grey
75mm blue grey rubber swivel plate brake castor
Grey Rubber Castor - 75mm
Grey rubber swivel castor with 75mm non-marking wheel and 10mm bolt hole
Lockworks Swivel Plate Castor with Brake - Nylon 125mm 120kg
Swivel plate castor with brake, nylon wheel, 125mm, 120kg load capacity
Grey Rubber Castor - Braked 75mm
Grey rubber braked swivel castor with 75mm wheel and 10mm bolt hole
Peg Type Castor - 40mm Black 4 Pack
Black peg castors, 40mm diameter, pack of 4
Lockworks General Duty Swivel Castor Wheel Electric Blue - 125mm / 160kg
125mm electric blue swivel castor wheel, 160kg capacity
First decide how the kit needs to move, then check the fixing pattern and the space you’ve got under it. A lot of call-backs come from picking the right load rating but the wrong layout, so the wheel fits the job and the frame doesn’t. If it has to turn in a tight area, you’ll usually want castors rather than a fixed wheel. If it only tracks in one line, fixed castors keep it steadier. Braked castors make sense where the unit must stay put between moves, but they add a bit more height and hardware to the job.
Swivel castors suit kit that needs to turn in tight spaces and change direction often. They make movement easier, but they are not the right choice if you need a straight run.
Fixed castors keep trolleys and heavier frames tracking properly. You lose manoeuvrability, so they work best where control matters more than tight turning.
Braked castors are the pick when the load needs to stay put between moves. The trade-off is another part to check and maintain if the job takes a knock. If you’re matching existing hardware, Ironmongery is where the rest of the fixing and fitting choices sit.
Material is usually where you narrow wheels and castors down quickest. Rubber castors suit rougher floors when you want a little more give and less noise. They are not the pick for heavy loads or kit that sits in one place for long periods. They can flatten or mark sooner than harder compounds.
Nylon and polyurethane usually roll harder and wear better. That makes them a better fit for busier kit and heavier duty caster wheels. You do give up some of that softer ride. If you are replacing tired units, check the fixing and wheel size against the old set before you order. For jobs that sit alongside Outdoor Hardware or Window Furniture, material choice matters more because handling and surface contact change how the fitting behaves day to day.
Once you’ve picked the wheels and castors, the next call is usually what the kit sits in and what it runs against. If it’s a trolley, cabinet or mobile frame, check the surrounding fixings and any replacement castors at the same time. A worn plate or loose fitting is what brings the job back.
Don’t stop at the wheel set. Check the floor finish and edge protection too. A new set can still run noisy or wear fast if the unit is dragging against the wrong surface. In a larger fit-out, related ironmongery such as protective wall plates or window furniture can matter more than the wheel itself. They deal with the damage that causes the call-back.








