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SKU GK-4423-4S

Flat-end cap 42.4 x 2mm, thread M8, Satin

Brand Strofix
€2.32 Tax excluded
€2.81 Tax included
Tax included
Quantity
Steel grade AISI304
Surface finish Satin
Mounting surface type Tube ø 42,4mm
Tube size ø 42,4mm
Screw size M8
End cap installation Hit in
End cap surface type Flat
End cap surface thickness 15mm

The Strofix flat-end cap is an AISI 304 stainless-steel ultra-low-profile press-fit cap designed to close the open end of the Ø42.4 × 2 mm railing tube. The cap has a 3 mm height (H) and is supplied in satin finish. The cap is installed by driving it into the tube bore (elements for driving included).

The press-fit flat-end cap is driven into the open end of the Ø42.4 mm tube, creating an almost flush closure with a 3 mm profile. The cap sits nearly level with the tube face once installed. This SKU is a single fixed configuration for the Ø42.4 × 2 mm tube in satin finish – there are no selectable tube size, finish, or grade options. AISI 304 stainless steel is suitable for standard interior and exterior installations.

The satin finish provides a uniform appearance that matches other Strofix satin-finished railing components.

Use cases:

  • Ultra-flush closure of Ø42.4 mm handrail and railing post tube ends
  • Virtually invisible end finishing on railing tubes where a protruding cap is not desired
  • Minimalist railing installations where end caps should not be visually apparent
  • Sealing cut Ø42.4 mm tube ends against moisture and debris
  • Simple, single-configuration press-fit cap for Ø42.4 mm railing systems

FAQ:

What tube does this flat-end cap fit?

The flat-end cap fits the Ø42.4 × 2 mm round tube – the standard railing pipe in the Strofix product range.

What is the cap height?

The cap has a 3 mm height (H = 3 mm). This is an ultra-low-profile cap that sits nearly flush with the tube face.

How is this cap installed?

The cap is installed by driving (pressing or tapping) it into the tube bore. This is a press-fit attachment – no adhesive or screws are used.

How does this differ from the other press-fit flat-end cap?

Both are press-fit caps for the Ø42.4 mm tube. The other press-fit cap (SKU GK422S) is 2 mm high and available in satin or polished finish. This cap is 3 mm high, satin only, and has an M8 thread.

Is a polished finish available?

No. This SKU is supplied in satin finish only. For a polished press-fit flat-end cap for Ø42.4 mm tube, see the multi-variant press-fit cap (SKU GK422S) in the End Caps category.

What steel grade is used?

The flat-end cap is manufactured from AISI 304 stainless steel. AISI 304 is suitable for standard interior and exterior installations.

About End Caps

An end cap closes the open end of a railing tube, post or crossbar rod, keeping water and dirt out and giving the end a clean, finished look.

Strofix supplies 31 end caps in three families: for Ø42.4 mm tube (flat, convex, ellipsoid, 90° elbow and weld-in caps), for 40 × 40 mm profile (flat and weld-in caps) and for Ø10 and Ø12 mm crossbar rods (15–30 mm high, in flat, ball and droplet shapes).

Most are AISI 304 satin; polished versions, raw weld-in caps and AISI 316 on selected caps complete the range. The correct end cap depends on the profile it closes, the shape and whether it is fitted or welded.

Strofix quality

Strofix designs and supplies stainless-steel fastening systems for architectural glass, including glass adaptors, railing components, handrails, and structural fixings. We also serve architects, installers, and building contractors on residential and commercial projects.

The products we sell are designed by us, and manufactured under strict quality guidelines so that we can be sure our customers are getting exactly what they ordered.

All of our products meet EU quality standards. Our shipping partners provide convenient delivery times. For more on our return & warranty policy read here. Secure payments are provided by MakeCommerce.

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