Pair of 70mm Collar Rings – 77mm Roller Shutter Barrel

Description

This pair of 70mm octagonal collar rings is designed for use with 77mm insulated roller shutter doors.
They fit a 70mm octagonal boom/barrel and are ideal for securing locking straps to the drum (locking straps sold separately).

Compatible with a wide range of popular brands including Cardale Thermaglide, WM Shutters, Birkdale Excelsior, and most other foam-filled insulated roller doors.

Product Details:

• Quantity: 2 x Collar Rings

• Internal Diameter: 70mm (fits 70mm octagonal barrel)

• Typical Application: 77mm insulated slats

• Material: Durable, long-life construction

• Use: Attaches locking straps to the roller drum

• Compatibility: Fits Cardale, WM Shutters, Birkdale, and other leading brands

• Related Items: 60mm version also available

Perfect for repair, replacement, or new roller shutter builds — a reliable, industry-standard component used across most UK domestic and commercial installations.

In stock for fast dispatch.