25mm Round Ribbed Full Dome Tube Insert, 1-2mm

These 25mm domed round ribbed tube inserts are designed to provide a clean, secure finish for hollow round tubes and pipes. The tops of these inserts are a Full Dome (Half Sphere) and are designed to act as feet for hollow tubular angled legs on chairs and tables, with the pronounced dome meaning you don't have to worry about a pre-set angle, as the dome will cater for any angle.  The domed feature on these will also add an element of decorative detail, to what would otherwise just be a regular flat insert.

The head diameter is designed to sit flush with the outside of the tube whilst the shank has flexible horizontal ribs to suit a multitude of tube walls, in a range of both metric and imperial sizes.  Thanks to the flexible lateral ribs running around the shank of the insert, they should be suitable for tube wall thickness of between 1 to 2mm metric (14-20 gauge imperial), unless otherwise stated. 

Manufactured from durable LDPE plastic, they are commonly used as protective end caps, tube feet, and finishing plugs across furniture, fabrication, and light industrial applications. They're designed to retain themselves inside tube, with the head sitting over the outer ends of the tube or pipe, sitting flush with the outside circumference of the tube and providing a neat finished appearance.

Key Features:

• Fits hollow tube or pipe with a 25mm outer / external dimension
• Manufactured from resilient LDPE
• Ribbed design for secure fitting
• Helps protect floors from exposed tube ends, reducing noise and marking
• Available in multiple colours
• Designed primarily for indoor use but can be used outside but not UV stabilised as standard
• Enhanced head profile, providing a spherical / domed appearance

Technical Information:

• Tube or pipe shape: Round
• External tube size: Ø25mm
• Tube wall thickness: 1-2mm
• Suggested internal fit: 21-23mm approx. (different factors affect this, including coatings, weld lines and tolerance)
• Material: Low-Density Polyethylene (LDPE)
• Fitting type: Push-fit ribbed insert

Suitable for:

• Angled legs on office and workshop furniture
• Foot bungs for chairs and tables
• Plastic stoppers for Round hollow tubes and pipes
• Feet for display systems
• Post caps for gates and railings
• Tube end caps for light fabrication projects
• Protective tube ends for finishing
• Ribbed knock-in inserts for POS and shopfitting

Tube inserts are always listed the same way that tube is listed because the head of the insert needs to marry up with the outside edges of the tube.  They often come in a variety of wall thicknesses and gauge sizes but if you're unsure on fit, you can click the 'Request Sample' button, or for help measuring your tube, try out this useful sizing pdf.

If this isn't quite right for your application, check out our other inserts for round tube here and if you're not looking to plug the end of a piece of hollow tube and instead after a generic hole plug, then maybe one of our covers caps or panel plugs will work better for you.

   Why not submit your own review?

Submitted by Mr Tim Crout (8/05/2026)
Needed feet for my aluminium bistro chairs and tables found BPF online and with help from the chat feature was given great advice and sent out a couple of free samples giving me several options i found the dome insert was perfect i cant fault the customer service and next day delivery would strongly recommend using BPF.

Quality
Accurate Description
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Overall Score	5.0 / 5

Submitted by Mr Graham Ford (11/08/2023)
Very efficient service and express delivery

Quality
Accurate Description
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Overall Score	5.0 / 5

Submitted by Mr Barry Craig (20/08/2020)
Needed quickly for an R&D project - turned up next day. Great service.

Quality
Accurate Description
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Overall Score	4.5 / 5

Submitted by Ian (14/06/2019)
Great website, good prices and fast delivery. Excellent service.

Quality
Accurate Description
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Overall Score	5.0 / 5

Submitted by PAT (17/05/2017)
Sample selection of items enabled correct selection of product for purpose accurately!

Quality
Accurate Description
Performance/Suitability
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Overall Score	4.3 / 5

Submitted by Ron  (1/12/2016)
Just right for my outdoor table and chair legs.
Great service.
Thank you.

Quality
Accurate Description
Performance/Suitability
Value for money
Overall Score	5.0 / 5

Submitted by Shirley (17/05/2016)
The product ordered was just as described and fitted perfectly into the aluminium chair leg that had a foot missing. It was also a free sample so was extremely good value for money !! I will definitely order more as the need arises. The product arrived very promptly. All in all it was an extremely pleasurable on-line shopping experience. Thank you BPF !

Quality
Accurate Description
Performance/Suitability
Value for money
Overall Score	5.0 / 5

Submitted by Mrs Christine Rogers (12/04/2016)
Perfect for our requirments, just as described.

Quality
Accurate Description
Performance/Suitability
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Overall Score	4.5 / 5

Submitted by Bill (22/08/2015)
Super fast p&p. BRILLIANT.

Quality
Accurate Description
Performance/Suitability
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Overall Score	5.0 / 5

Submitted by Mr Leonard Lowther (3/06/2015)
Perfect

Quality
Accurate Description
Performance/Suitability
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Overall Score	5.0 / 5

Submitted by Murray (17/07/2014)
Product did exactly what it was bought for and looked identical to the original tubular feet when fitted.

Quality
Accurate Description
Performance/Suitability
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Overall Score	4.8 / 5

Submitted by AW (16/07/2014)
Very quick and easy tranaction. Despatched quickly too A1.

Quality
Accurate Description
Performance/Suitability
Value for money
Overall Score	5.0 / 5

Frequently asked questions about this item are shown below. Do you have a question? Submit FAQ

Q: Hello, Could you confirm the OD for this insert please, the name suggests 25 but the drawing states 25.4 and I want to make sure, thank you Jordan

A: If the fit is that critical that 0.4mm could create a significant problem for you, then I'd suggest the best way forward with this would be to click the Orange 'Request Sample' button and have 1 sent to you for testing on the actual application.

• Material Data Sheet

 Tube Fittings Buying Guide