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Our light duty range of bolt hole castors are a versatile and budget range of castors that can pack a punch! This range of castors includes our best selling FS Series bolt hole castors and our 310 Series of Institutional bolt hole castors. These light duty castors have a single bolt hole for attachment rather than a square top plate top plate. Ideal for attaching to trolleys, equipment, tubular furniture legs and display stands, with either an M8 or M10 bolt. You can choose either a 50mm black plastic or rubber castors housed in a medium pressed steel housing. Bolt hole castors are small and strong. The general rule of thumb is to choose a softer rubber wheel on a hard floor surface and a harder plastic wheel for a soft carpeted floor.
These light duty castors can be supplied either with or without brakes and are popular for a wide range of furniture, equipment, trolleys and display cases. If you need the castor to take more weight you can move up to the 310 Series and choose from black plastic and grey non marking rubber castors from 50mm diameter wheels up to 100mm in diameter. These versatile bolt hole castors from our 310 Series can be teamed up with our tubular adaptor accessories for attaching castors to hollow round or square tubing, and can be supplied either with or without a brake.
From £3.71 £3.09
From £5.50 £4.58
This is all about how you want to fix your castor to your unit, and how much weight each castor is expected to carry.
Measure your top plate dimensions, in order to match any replacement castors. Alternatively measure your bolt dimesions or your threaded stem size. Also measure your fixing bolt size (D1) as we can supply fixing bolts and nuts. In order to measure thread size, simply measure the diameter of the thread, 8mm diameter equates to an M8 thread.
Top Plate Castors are fixed to your unit by 4 fixing bolts per castor, supplied sepeartely. Bolt Hole castors can attach either by using a threaded bolt or a tubular adaptor. Threaded Stem Castors are supplied with a stem that can screw into your equpment.
Top Tip! Attaching castors into round and square tube can be achieved by using bolt hole castors and castor tube adaptors.
We have a variety of sizes both in the round and square tubular expanding adaptor fittings and these can be found on our Accessories page. In order to choose the correct adaptor for your hollow tube, please follow the following steps
Round Expander To Suit Internal Diam. RangeItem Code | Item Code |
18mm - 19.5mm | R-18 |
19.5mm - 21.7mm | R-20 |
21.7mm - 24.5mm | R-22 |
24.5mm - 27mm | R-25 |
27mm - 29.5mm | R-27 |
29.5mm - 32mm | R-30 |
Square Expander To Suit Internal Diam. Range | Item Code |
20mm -22mm | S-20 |
22mm - 25mm | S-22 |
25mm - 28mm | S-25 |
29mm - 32mm | S-29 |
36mm - 38mm | S-36 |
Top Tip! General rule of thumb is soft wheels on hard floors and hard wheels on soft floor surfaces. Soft wheels are rubber, and hard wheels are nylon and polyurethane. Pneumatics and puncture proof wheels are ideal for outdoor applications. For more information on wheels, take a look at our Wheel Measurement Section.
Swivel
Swivel with Brake
Fixed
Bolt Hole Castors - are available as a swivel and swivel with brake versions only
Swivel
Swivel with Brake
Top Tip! The following configurations are the most popular
Having an understanding of the weight you want the castors to support and move is a vital consideration! Use the following calculation
Max Load each castor needs to carry = (unit weight + max extra load) ÷3
Top tip! Dividing your total load by 3 allows for a margin of safety, and this will give you the maximum each castor can carry in a safe working environment, allowing for uneven floor surfaces.
Swivel Radius - The distance from the centre of the castor head fitting to the outside of the wheel. This measurement enables you to ensure you have enough clearance for the complete castor to rotate, without being fouled. It is important to take this into consideration when deciding where to attach the castor. Please note braked castors have slightly larger swivel radiuses, as a result of the foot brake mechanisms.
Floor Surfaces - All our stated load ratings for our castor ranges are based upon the assumption that the floor surface is reasonably level. Any obstructions, ridges, cracks or dirt will affect the load rating and efficiency of the castors. Careful consideration of Wheel Type in your castors is important and discussed in more detail below.
Health & Safety - All our castors are designed for low speed applications, and power towing castors are available upon special request. It is important to select the right castor for the job, to protect against manual handling injuries.
Bearings - Choosing castors and wheels with bearings, makes them easier to move, however in certain outdoor and offshore environments standard bearings may cease. Call us for information on stainless steel bearings.
Temperature - We offer a specialist range of Temperature Resistant castors that can withstand high temperatures in ovens, kilns and foundries. These castors can also withstand low temperatures such as in freezers and outdoor environments.