VVINSCO · WINSCO METAL
Polished Stainless Steel Double-Hole Decorative Ball
Factory-made hollow decorative spheres with two opposite openings for railing tubes, security grilles, fences, gates and architectural metalwork.
201 / 304 / 316 OD 32–150 mm Polished Finish Custom Orders
Built to Match Your Tube or Rod
Select the outside diameter of the decorative ball and the opening diameter that fits your tube or rod. VVINSCO supplies standard combinations and evaluates custom sizes, material grades and finishes for project orders. Send us the ball diameter, hole diameter, grade, finish, quantity and destination for an accurate quotation.
Product Overview
The VVINSCO stainless steel double-hole decorative ball is a hollow polished sphere with two opposite round openings. It can be installed on round tubes or rods to create a clean transition, decorative node or visual highlight in stainless steel railing and grille fabrication. The smooth polished surface supports modern architectural designs and is easy to coordinate with stainless steel tubes and railing accessories.
| Product Type |
Hollow stainless steel decorative ball with two opposite holes |
| Material |
201 standard; 304 and 316 available for project quantities |
| Ball Outside Diameter |
32–150 mm (1.260–5.906 in) |
| Hole Diameter |
12.5–76.5 mm (0.492–3.012 in), depending on ball size |
| Surface |
Bright polished natural silver; gold and other decorative finishes by inquiry |
| Application |
Railings, security grilles, fences, gates, balcony decoration and metal fabrication |
| MOQ |
Normally 100 pieces per size; custom material or finish subject to confirmation |
| Lead Time |
Regular items 7–15 days; customized orders usually 15–25 days |
| Packing |
Protective packing with export carton; wooden case available when required |
Available Size Combinations
Size format: ball outside diameter × hole diameter. Metric dimensions are shown first, followed by the exact inch conversion.
| Ball OD (mm / in) |
Available Hole Diameters / Matching Tube Sizes (mm / in) |
| 32 mm / 1.260 in |
18.5 mm / 0.728 in; 19.5 mm / 0.768 in |
| 38 mm / 1.496 in |
19.5 mm / 0.768 in; 20.5 mm / 0.807 in; 22.5 mm / 0.886 in; 25.5 mm / 1.004 in |
| 42 mm / 1.654 in |
19.5 mm / 0.768 in; 25.5 mm / 1.004 in; 28.5 mm / 1.122 in |
| 48 mm / 1.890 in |
19.5 mm / 0.768 in; 20.5 mm / 0.807 in; 22.5 mm / 0.886 in; 25.5 mm / 1.004 in; 32.5 mm / 1.280 in |
| 63 mm / 2.480 in |
19.5 mm / 0.768 in; 20.5 mm / 0.807 in; 22.5 mm / 0.886 in; 25.5 mm / 1.004 in; 32.5 mm / 1.280 in; 38.5 mm / 1.516 in |
| 76 mm / 2.992 in |
19.5 mm / 0.768 in; 22.5 mm / 0.886 in; 25.5 mm / 1.004 in; 32.5 mm / 1.280 in; 38.5 mm / 1.516 in; 51.5 mm / 2.028 in |
| 100 mm / 3.937 in |
19.5 mm / 0.768 in; 25.5 mm / 1.004 in; 32.5 mm / 1.280 in; 38.5 mm / 1.516 in; 51.5 mm / 2.028 in; 63.5 mm / 2.500 in |
| 120 mm / 4.724 in |
32.5 mm / 1.280 in; 38.5 mm / 1.516 in; 51.5 mm / 2.028 in; 63.5 mm / 2.500 in |
| 150 mm / 5.906 in |
12.5 mm / 0.492 in; 19.5 mm / 0.768 in; 25.5 mm / 1.004 in; 38.5 mm / 1.516 in; 51.5 mm / 2.028 in; 63.5 mm / 2.500 in; 76.5 mm / 3.012 in |
Selection note: inch values above are exact metric conversions, not nominal pipe sizes. Confirm the actual outside diameter of the tube or rod before ordering. The opening diameter and installation clearance should be approved with a sample or drawing for project orders.
Regular and Custom Ball Diameters
In addition to the common two-hole combinations above, VVINSCO can evaluate a wider range of decorative ball diameters for architectural and custom fabrication projects. The chart shows metric dimensions with exact inch conversions. Availability depends on construction, material grade, hole diameter, finish and order quantity.
Why Buyers Choose VVINSCO
Matched Openings Multiple hole diameters help match commonly used railing tubes and rods.
Polished Appearance Smooth bright surfaces complement stainless steel railing and architectural metalwork.
Project Customization Material grade, finish, opening size and packing can be evaluated against your drawing.
Export Support Specification confirmation, inspection, protective packing and shipping document support.
Typical Applications
- Stainless steel balcony and staircase railings
- Security window grilles and protective barriers
- Fence, gate and entrance decoration
- Interior partitions and decorative metal screens
- Custom furniture and architectural metal fabrication
Material Selection Guide
| Grade |
Recommended Use |
Buyer Consideration |
| 201 |
Indoor decorative work and dry environments |
Economical choice for controlled indoor use |
| 304 |
General architectural and outdoor applications |
Balanced corrosion resistance and cost |
| 316 |
Coastal, humid or more corrosive environments |
Confirm project quantity and lead time before ordering |
Inspection and Export Packing
Before shipment, VVINSCO checks the confirmed material grade, ball diameter, opening diameter, surface condition, order quantity and packing labels. Finished pieces are protected to reduce surface scratching during handling and transportation.
- Confirm drawing, size combination, grade and finish
- Check dimensions and opening position
- Inspect polishing and visible surface condition
- Verify quantity, labels and export packing
Frequently Asked Questions
What is a stainless steel double-hole decorative ball?
It is a hollow stainless steel sphere with two opposite round openings. A tube or rod passes through the openings so the ball can be used as a decorative connector or visual feature in railings, grilles and fences.
How should I choose the correct size?
Specify the ball outside diameter first, then select a hole diameter that matches the actual outside diameter of your tube or rod. For important projects, send a drawing or sample so installation clearance can be confirmed.
Can VVINSCO make a custom hole diameter or finish?
Yes. Custom opening sizes, material grades and decorative finishes can be evaluated according to your drawing, order quantity and application requirements.
Which stainless steel grade should I select?
201 is commonly selected for economical indoor decoration, 304 for general architectural use, and 316 for coastal or more corrosive environments. Final selection should follow the service environment and project specification.
What information is required for a quotation?
Please send the ball outside diameter, hole diameter, stainless steel grade, surface finish, order quantity, packing requirement and destination port or delivery address.
FOSHAN WINSCO METAL PRODUCTS CO., LTD.
Why Work with VVINSCO?
With 23+ years of stainless steel manufacturing and export experience, Winsco Metal supports buyers with stainless steel tubes, sheets, railing accessories and custom metal fabrication from Foshan, China.
- Factory-direct production and export coordination
- Custom sizes, grades, finishes and project packing
- Pre-shipment inspection against confirmed order requirements
- Support for samples, drawings and consolidated stainless steel purchases
Request a Factory Quotation
Tell VVINSCO the size, grade, finish, quantity and destination. We will check production feasibility and prepare a project-based quotation.
SEND YOUR DRAWING OR SIZE LIST
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