Pair of ABC R. Koolhaas Door Handles with Square Rosettes
The ABC door handle range, designed in 2019 by architect Rem Koolhaas, embodies a radical, minimalist design based on the idea of a return to the essential. Its square shape, stripped of all superfluity, reflects a strong architectural stance where every detail counts.
This pair of door handles is intended for:
- on newer doors (mortise locks);
- for doors with a thickness between 38 mm and 40 mm (standard thickness). This handle comes with a 7 mm square spindle and the adapters needed for installation.
Further information
| Product type |
Door handles |
|---|---|
| Material |
Brass |
| Available finishes | Bright chrome, Matt chrome, Matt stainless steel, Anthracite, Bronze, Copper |
| Choice of options |
With standard key escutcheons (L), With Y key escutcheons, With lock (WC - SDB) |
| Door compatibility |
Standard door thickness (between 38 mm and 40 mm) |
| Square width |
7 mm square (for standard door) |
| Square supplied | Yes |
| Attachments |
Description
ABC R. Koolhaas - the door handle with a raw, elegant design
The ABC pair of door handles, imagined in 2019 by world-renowned architect Rem Koolhaas, founder of OMA, embodies a radical vision of design: that of a return to the essential. True to his architectural approach, Koolhaas conceived this handle as an archetypal form: a purely functional bar with a square cross-section, stripped of all superfluous ornamentation. This sobriety is not a choice by default, but a conceptual posture: the handle becomes a miniature architectural object, revealing its presence through its geometric rigor and the tension of its proportions.
Made from solid brass, a noble material with excellent mechanical properties, the ABC handle combines structural solidity with tactile pleasure. Its seemingly neutral shape becomes an ideal support for a wide range of refined finishes that subtly modify the visual perception of each piece.
With the ABC handle, Koolhaas proposes a universal typology, designed to adapt to all contexts: contemporary residential interiors, cultural spaces or offices with rigorous lines. Minimalist yet expressive, it sums up in a discreet gesture the designer's philosophy: to bring form and function into dialogue, without ever sacrificing quality or intention.
Why choose the ABC R. Koolhaas door handle?
✔ Created by a world-renowned architect
✔ Made of solid brass, it guarantees sturdiness
✔ Available in numerous finishes
✔ Becomes a subtle, structuring detail in space.
✔ Ideal for both renovation and new-build projects
Technical details:
- Design: ABC R.Koolhaas
- Type: Pair of rose handles
- Mounting: 51 mm rosettes included
- Standard 7mm center distance for compatibility with most interior doors
- Material: Solid brass
- Available finishes: matte stainless steel, bright chrome, matte chrome, anthracite, bronze, copper
- Assembly: Quick and easy with screws and template supplied
- Available with L or Y key escutcheons and locking system for bathroom and WC
Want to go further?
👉 S ee all our other door handles
👉 Match your door handles to your doorstops and window handles!
Our commitment to your peace of mind:
- At La Quincaillerie, we've been making a point of offering an exacting selection of door handles, furniture handles and decorative accessories since 1958.
- 3 stores in Pariswhere our decorating experts advise you with passion
- Available and responsive customer service, based in France
- Quality products tested, selected, durable and delivered with care
Practical Questions
What finish should you choose for an interior door?
All available finishes are suitable for use on interior doors.
– The following finishes come with a 10-year warranty: polished chrome, matte chrome, copper, bronze, and anthracite.
– The following finishes come with a 30-year warranty: matte stainless steel, polished nickel, matte nickel, polished gold, and matte gold.
Which finish should you choose for an outdoor installation?
The finish you choose will impact its resistance to the elements.
For this line of handles, you can choose any finish except black, white, and chrome (matte and glossy), as these finishes are less durable.
All other finishes come with a 10-year warranty, and in some cases even a 30-year warranty (PVD finishes: matte stainless steel, shiny nickel, matte nickel, copper, bronze, matte gold, and shiny gold).




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