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Square Tube Adaptor - Stainless Steel Fitting 22-25mm
CASTOR NOT INCLUDED. SEE RELATED CATEGORIES BELOW FOR COMPATIBLE CASTORS.
This stainless-steel square tube adaptor is designed to provide a secure internal mounting... Read Full Description
- Price
- 1 + £6.10 £5.08
- 20 + £5.58 £4.65
- 50 + £5.18 £4.32
- 100 + £4.62 £3.85
Frequently bought together
CASTOR NOT INCLUDED. SEE RELATED CATEGORIES BELOW FOR COMPATIBLE CASTORS.
This stainless-steel square tube adaptor is designed to provide a secure internal mounting point for items such as castors, levelling feet, or threaded fittings inside square tubing with an internal inner width of 22–25 mm. Manufactured from stainless steel, it offers excellent corrosion resistance and is suitable for industrial, marine, food-processing, pharmaceutical, or outdoor applications where hygiene and durability matter.
The adaptor fits tightly within the tube and allows for easy installation of bolt-hole components without external brackets, keeping structures clean, sturdy and streamlined. It is ideal for use with stainless-steel frames, furniture, trolleys, racks, or custom-built fabrications where aesthetics, strength and hygiene are priorities.
Key Features
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Designed for 22–25 mm internal diameter square tubing — ensures a snug, secure fit
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All-stainless steel construction — corrosion-resistant and suitable for wet, chemical, or hygienic environments
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Provides an internal threaded anchor or mounting point for castors, feet, bolts or fittings
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Eliminates need for external brackets or welds when mounting within square tube frames
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Ideal for stainless-steel furniture, racks, trolleys, fabrication frames, or hygienic assemblies
Specifications
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Tube Fitment Range (Inside Diameter): 22–25 mm
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Material: Stainless steel (adaptor body)
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Use Case: Internal adaptor for square tubing to accept castors, adjustable feet or threaded fixtures
Applications
Great for use in:
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Stainless-steel trolleys, benches, frames and racks
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Food-processing, pharmaceutical, laboratory, or marine equipment — where stainless and hygienic fittings are required
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Custom fabrications or retrofit projects requiring a clean internal mounting point
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Commercial furniture, display units or storage systems built from square tubing
Why Choose This Adaptor
This square-tube adaptor simplifies installation by allowing castors or other fittings to be mounted inside square tubing — reducing the need for external brackets or complex welding. Its stainless-steel construction ensures long-term durability and corrosion resistance, making it a practical and hygienic solution for quality builds.
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22-25 |
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Delivery Charges
For a more detailed view of our delivery charges please visit our UK Delivery & Returns or International Delivery & Returns page.
Please note that our standard shipping rates do not apply to tubing orders. Tubing has its own unique shipping rate, which is automatically calculated at checkout. We've tailored these rates to ensure the best possible delivery service for these items!
UK Mainland
Please note final delivery cost is calculated at checkout based on order weight and destination.
| Delivery Option | Delivery Cost (£) |
|---|---|
| 2 Working Days Express Pack (for small orders) | £7.09 |
| 2 Working Days | From £9.13 |
| Next Working Day | From £10.66 |
| By 12 PM Next Working Day | From £16.83 |
| By 10:30 AM Next Working Day | From £23.46 |
| Saturday Delivery | From £17.85 |
| 3 Day Pallet Delivery (for large orders) | £100 |
Northern Ireland, Highlands and Islands
Please note delivery costs for Northern Ireland, Highlands, and Islands vary based on location and order weight.
| Delivery Option | Delivery Cost (£) |
|---|---|
| Northern Ireland (2-3 working days) | From £16.32 |
| Scottish Highlands (2-3 working days) | From £19.38 |
| Isle of Man (2-3 working days) | From £19.38 |
| Channel Islands (2-3 working days) | From £19.38 |
Delivery Surcharge for Highlands and Islands Postcodes:
Please note that the following postcodes in the Highlands and Islands of Scotland incur additional delivery charges due to their remote locations and the higher shipping costs associated with these areas.
Postcodes affected include:
AB31-AB56
FK17-FK21
HS1-HS9 (Outer Hebrides)
IV (Inverness and surrounding areas)
KA27-KA28 (Isle of Arran and Cumbrae)
KW (Kirkwall and Orkney)
PA20-PA78 (Argyll and Bute, Inner Hebrides)
PH15-PH50 (Perthshire and the Highlands)
ZE1-ZE3 (Shetland Islands)
These areas are subject to a delivery surcharge due to increased transportation costs and extended delivery times. We strive to keep our delivery charges as competitive as possible and appreciate your understanding when shipping to these regions.
For more information or to get a specific delivery quote, please contact our customer service team.
Returns
If you're not satisfied with your purchase, ordered the wrong size, or find the items unsuitable, return them within 28 days along with the delivery note and a brief explanation for a refund or exchange. Please contact us before returning items to ensure eligibility. Note that we cannot refund items damaged through use.
We recommend using a recorded and insured delivery method for returns, as we're not responsible for goods lost or damaged in transit. Keep proof of postage. Refunds typically do not cover original delivery costs, and returns of sack trucks, trolleys, and mobile steps may incur a restocking fee.
For full terms and conditions click here.