Glass adaptor - cover, D40 spherical, SS, satin

The Strofix glass adaptor cover D40 spherical satin is a stainless-steel finishing cap with a domed profile for D40 glass adaptor assemblies, providing the visible face on the glass side of the fixing. Manufactured from AISI 304 with a satin finish, Ø 40 mm diameter, spherical cover profile, with an internal M10 thread.

The cover screws onto the M10 threaded stud or screw that passes through the glass panel, clamping the glass, gaskets, and distancer together as a complete adaptor assembly. The spherical profile produces a domed surface that protrudes slightly from the glass face, giving the fixing point a rounded, three-dimensional appearance. The cover is sold individually as a replacement or spare part for Strofix D40 glass adaptor assemblies that use an M10 screw — it is not a complete adaptor kit.

The satin finish reduces visible fingerprints and micro-scratches, matching the appearance of other satin-finished D40 components for a uniform look across the entire fixing point.

Use cases:

• Completing or repairing D40 glass adaptor assemblies on balustrades and partitions
• Replacing a damaged or scratched spherical cover on an existing Strofix D40 point fixing
• Choosing a domed appearance over a flat profile on D40 M10 adaptor assemblies
• Stocking spare covers for maintenance of installed D40 glass fixing systems
• Façade, canopy, and staircase glazing point fixings using D40 adaptors with M10 screws

FAQ:

What is this cover used for?

The cover is the visible finishing cap on the glass side of a Strofix D40 glass adaptor assembly. It screws onto the M10 threaded stud or screw protruding through the glass, clamping the glass panel, rubber gaskets, and distancer into a single assembly. It is not a complete adaptor — it is one component sold separately.

What thread does it have?

The cover has an internal M10 thread. It screws onto the M10 stud or screw that passes through the glass from the wall side. This is a different thread size from the flat D40 cover (which uses M8) — the two covers are not interchangeable.

What is the difference between spherical and flat covers?

The spherical cover has a domed surface that protrudes slightly from the glass, giving a rounded three-dimensional appearance. The flat cover sits flush against the glass with a level profile. Beyond the visual difference, this spherical D40 cover uses an M10 thread while the flat D40 cover uses M8 — verify the screw size of the existing adaptor assembly before ordering.

Which Strofix glass adaptors is it compatible with?

This cover fits Strofix D40 glass adaptor assemblies that use an M10 screw (Ø 40 mm cover diameter, M10 thread). It is not compatible with D40 assemblies using M8 screws, nor with D30 or D50 adaptors.

What material and finish is it supplied in?

AISI 304 stainless steel with a satin surface finish. These are fixed on this SKU — there is no grade or finish selection.

Can I replace just the cover without disassembling the entire adaptor?

The cover unscrews from the M10 stud on the glass side. Replacing it requires access to the glass face only — the wall-side fixings and distancer remain in place. A new cover threads onto the same stud, provided the thread size matches (M10).

About glass adaptor covers

A glass adaptor cover is a stainless-steel cap that screws onto the visible face of a glass adaptor assembly, concealing the fixing bolt and giving the point fixing a clean, finished appearance. The cover threads onto the bolt that passes through the glass, so it is the component the viewer sees from the interior or exterior side of the panel.

Strofix supplies glass adaptor covers in three diameters — D30, D40 and D50 — in AISI 304 satin-finish stainless steel, with flat and spherical head profiles. Covers are sold individually as spare or replacement parts, and thread onto M8, M10 or M12 bolts depending on the variant.

The correct cover depends on adaptor diameter, head profile (flat or spherical) and the bolt size used in the assembly.