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Description
A light 50mm hollow steel ball for finials, pickets, obelisks and decorative metalwork. This sphere is 50mm across, about the size of a golf ball, made from two pressed mild steel halves welded together with the seam ground back, leaving a smooth band round the middle. The wall is about 2mm, so each ball weighs only about 0.11 kg, a fifth of a solid 50mm ball. It has no hole; weld it straight on. The price shown is for one sphere, with a minimum order of 10.
Why choose this sphere
Light enough for slim work. At about 110 grams it will not overload slim bar, obelisks, fire guards or light frames, where a solid ball would look and feel too heavy.
Great value in quantity. Ideal for running a ball along every bar of a railing, or adding balls part way up pickets to make your own balusters.
Smooth, round finish. The two halves are welded and the seam ground, so it paints up as a clean ball.
Welds quickly. The thin wall takes a short MIG weld; keep the heat low and work round in short runs.
Where it is used
Garden obelisks and plant supports, fire guards and fire baskets, picket and baluster decoration, light railings and gates, furniture, lighting frames, and craft and sculpture work.
Specifications
| What you get | One sphere, minimum order 10 |
|---|---|
| Diameter | 50mm |
| Construction | Two pressed halves welded, seam ground, hollow |
| Wall thickness | About 2mm |
| Material | Mild steel |
| Finish | Raw, unpainted |
| Weight | About 0.11 kg each |
| Fixing | Weld on |
The wall thickness is worked out from the weight and rounded, so allow a little either way.
Which bar does it suit?
| Bar or frame you are topping | How the 50mm ball looks and fits |
|---|---|
| 10mm to 16mm bar | A bold ball top on obelisks, guards and light railings |
| 20mm to 25mm bar | A balanced finial, weld round the joint |
| 40mm box post | Weld a cap plate first, then the ball |
| Heavy gate post | Too light and small, choose a 70mm to 100mm sphere |
Is this the right sphere?
| You want | Choose |
|---|---|
| A light, hollow 50mm ball | This sphere |
| A solid 50mm ball | 50mm solid sphere |
| A smaller hollow ball | 40mm hollow sphere |
| A larger hollow ball | 70mm hollow sphere |
| A ready-made picket with this ball | Hollow sphere picket 12mm x 1000mm |
| Every sphere and hemisphere | All spheres and hemispheres |
Fitting and care
Cut the bar square and grind the end clean. Hold the ball with a magnet or in a short length of angle as a jig, check it is centred, tack it in two places and weld round in short runs. If the ball will be hot-dip galvanised, drill a small vent hole underneath first so trapped air can escape safely.
Degrease, then prime with a zinc-rich or metal primer before painting. Hot-dip galvanising before powder coating gives the longest life outdoors.
Frequently asked questions
Is the price for one sphere?
Yes, it is for one 50mm hollow sphere, with a minimum order of 10.
Is it solid or hollow?
Hollow. It is two pressed halves welded together, with a wall about 2mm thick.
Can I see the join?
The seam is ground back, leaving a smooth, slightly brighter band round the middle. Paint covers it completely.
Does it have a hole?
No. It is a plain ball that you weld on.
Is it painted?
No. It is raw steel and will rust if left bare outdoors, so prime and paint it, or galvanise it, once it is welded on.
Ordering and delivery
Order 10 or more online, with Express UK Delivery to your site and same-day dispatch on orders before 2pm, Monday to Friday. For a larger job, call 01744 520 110 or email sales@industrialsuppliesco.co.uk and we will confirm availability and delivery before you order.
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About Us
Suppliers to Ministry of Defence, NATO, US Airforce and Most UK Councils, Schools, Universities, Hospitals & various Government departments
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Minimum order 10 pcs