Locking ring | Ø 3-1/2"





Aluminum clamping collar for Ø 3-1/2" posts. It finishes and secures the post where it meets paving, asphalt or concrete, and holds steel mowing tiles or edging in place. A pre-fitted hex socket bolt makes fitting quick. Aluminum or coated in RAL 6009, RAL 7016 and RAL 9005.
Key features
- For Ø 3-1/2" round posts
- Outer diameter 4-5/16"
- Pre-fitted hex socket bolt
- Secures mowing tiles and edging
- Aluminum, or coated in RAL 6009, RAL 7016 and RAL 9005
Aluminum clamping collar for a neat, secure post base
This aluminum collar is designed for neatly finishing and securing posts with a diameter of 3-1/2", for example in paving, asphalt or concrete. It is a solid, professional way to fix steel mowing tiles, mowing edges or other edge finishes around the post.
Installation
The collar comes with a pre-fitted hex socket bolt, so fitting is quick and simple. On post bases with a mowing collar, slide the clamping collar over the mowing collar and tighten the bolt to lock both in place.
Sizes and fit
- For round posts of Ø 3-1/2"
- Outer diameter: 4-5/16"
- Finishes: aluminum, green RAL 6009, anthracite gray RAL 7016 or black RAL 9005
Materials and finish
The sturdy aluminum construction and durable coating make the collar suitable for long-term outdoor use. It is used in fence systems and public space installations, and other diameters are available for other post sizes.
Specifications
| Brand | Fenceweb |
| Width | 3-1/2" |
| Height | 31/32" |
| Length | 3-1/2" |
| Weight | 0.7 lb |
| Color | Black (RAL 9005) |
Article numbers
- 005521Color: Black (RAL 9005)$20.82Chosen
- 004278Color: Aluminum$20.82
Frequently asked questions
Which post size does it fit?
Round posts of Ø 3-1/2".
Is the bolt included?
Yes, the collar has a pre-fitted hex socket bolt.
Where is it used?
Where posts stand in paving, asphalt or concrete, to finish the base and hold mowing tiles or edging in place.
What types of fencing products does Fenceweb offer?
Fenceweb offers a complete range of fencing products, including welded wire fence panels, chain link fence, ornamental and metal fencing, security fencing, fence posts, swing and farm gates, gate hardware and temporary fencing. We also carry trusted brands such as Locinox, Gatemaster, ZND, AES Global, D&D Technology and Tarter.
Are all products in stock and ready for shipment?
The majority of our catalog is kept in stock and ships quickly from our warehouse. We do not publish a stock figure on the product pages, so ask our team and they will confirm availability and lead times for your order, especially a larger or custom one.
Does Fenceweb provide installation services or recommendations?
Fenceweb supplies products rather than installation, but our specialists are happy to recommend the right materials for your project and can connect you with experienced fencing contractors in our partner network.
Still have questions? Call us at 214 878 1900




