M4 M5 M6 M8 Chimney Nuts / Spire Clips – Bright Zinc Plated Panel Speed Fasteners | U Nut Fixings

Bright Zinc Plated Chimney Nuts – Strong, Secure Panel Fastening

These high quality chimney nuts (spire clips / U-nuts) provide a strong and reliable threaded fixing point for panels, trims, and sheet materials. Designed for quick installation, they simply clip over panel edges to create a secure mounting point for machine screws or bolts.

Manufactured from durable steel with a bright zinc plated (BZP) finish, these fasteners offer excellent corrosion resistance and long-lasting performance in automotive, workshop, and general fixing applications.

Suitable for panel thicknesses between 0.5mm and 4mm, making them ideal for a wide range of installations where a secure, reusable fixing is required.

🧰 Product Features
✔ High quality bright zinc plated (BZP) finish
✔ Also known as spire clips, U-nuts or panel speed fasteners
✔ Creates secure threaded fixing on panel edges
✔ Suitable for panel thickness 0.5mm – 4mm
✔ Strong, durable steel construction
✔ Corrosion resistant coating
✔ Quick and easy installation
✔ Suitable for automotive, metal panels and general assembly

📏 Sizes Available
✔ M4 – 15 × 10mm
✔ M5 – 20 × 14mm
✔ M6 – 23 × 15mm
✔ M8 – 24 × 17mm

📦 Quantities Available
1
5
10
25
50
100

🔧 Ideal For
Automotive body panels and trim fixing
Sheet metal fastening
Machinery and equipment assembly
Workshop repairs and maintenance
General panel mounting applications

🚚 Fast UK Dispatch – Flexible Delivery Options
✔ Free delivery via Royal Mail 48
✔ Upgrade to Royal Mail 24 for £1
✔ Upgrade to Fedex tracked next day delivery for £5
✔ Same day dispatch on orders placed before 1pm
✔ VAT invoice included with every purchase