Swivel chair bases metal are KARUD’s specialty. As a Polish OEM manufacturer of metal constructions, we offer design, implementation, and series production of high-quality swivel chair bases and armchair bases. We support your project from the first prototype stage through to series production — flexible according to customer needs, from small batches of a few individual pieces up to large series of 25 to over 1,000 units.
Unlike mass-produced die-cast aluminium parts or wooden elements, we manufacture our bases and frames from high-quality steel (precision tubing, solid material, round steel, and flat steel). Processing is carried out using state-of-the-art CNC tube bending, grinding, CNC milling, punching and drilling processes, as well as professional welding technology. The use of steel guarantees significantly higher static and dynamic strength, design flexibility, and full adaptation of geometry and mounting points to your individual furniture design.
We develop our swivel chair bases metal with full compatibility with common market standards in mind. We manufacture precise mounting plates and flanges adapted for the installation of 360° free-swivel mechanisms as well as systems with return function (return mechanism / auto-return). We work with well-known manufacturers of chair mechanisms (including Mekrapid) and adapt our mounts directly to the solutions required in your specification
We carry out B2B orders for international manufacturers of office, contract, and designer furniture. We supply our welded steel constructions in various surface finishes:
- Raw steel (for further processing or for industrial and loft-style projects)
- Powder coating (full RAL range, fine structure, matte or gloss finish from our own coating line)
- Stainless steel (ground, brushed, polished, or raw)
- Galvanic coatings (chrome plating or zinc plating in cooperation with our long-term partners)
Design Variants: Swivel Chair Bases Metal
For our B2B customers, we manufacture precisely fitted swivel chair bases metal — from stationary conference furniture to dynamic task chairs for modern office environments.
1. Swivel Bases with Central Column (Stationary / Fixed)
Application: Conference chairs, café armchairs, lounge furniture, HoReCa settings
Project example: swivel chair base metal made of steel profiles with round mounting flange
- Characteristics: Welded steel constructions with a central column and 4 or 5 arms. Tube end pieces are fitted with precisely matched glides or decorative CNC caps. They offer high visual and mechanical stability with full swivel functionality.
- Technical specification:
- Made from steel tubes (including tapered tubes), round steel, or flat steel.
- Integrated mounting plate (flange) for the respective swivel mechanism.
- Central column with swivel mechanism — optionally with automatic return function (auto-return), ideal for representative conference rooms.
2. Swivel Bases on Castors (Chair Bases / Task Chairs)
Implementation example: swivel chair base metal on castors made of bent round steel
Application: Bases for office chairs, swivel armchairs, youth furniture, and home-office workstations.
- Characteristics: Welded steel chair bases with pre-fabricated mounts for chair castors. Compared to standard plastic-moulded parts, our welded swivel chair bases metal offer outstanding resistance to dynamic loads as well as a modern, slender appearance.
- Technical specification:
- Precise mounting sockets for castor pins (B2B standard Ø 11 mm or custom sizes).
- Arms made from bent tubes, oval profiles, or flat steel.
- High-quality, continuous weld seams with no weak points for intensive use in the contract sector.
3. Hybrid Bases (Swivel Seat + Mobile Base)
Manufacturing example: swivel chair bases metal with tapered steel tubes and rotating columnhlrohren und drehbarer Säule
Application: Executive chairs, ergonomic chairs, specialised industrial and laboratory chairs, as well as premium hotel furniture.
- Characteristics: Combines the mobility of a castor base with the added comfort of a swivelling seat function.
- Technical specification:
- Precision central bushing for swivel mechanisms (e.g. Euro cone or Morse taper variants).
- Reinforced welded construction for higher load capacities, usually in a 5-star configuration for maximum tip resistance.
Integration of Swivel and Auto-Return Mechanisms
As a reliable OEM partner, we ensure that all swivel chair bases metal are delivered ready to fit with your mechanism:
- Return mechanism (auto-return): Prepared for special columns that automatically rotate the chair back to its starting position after standing up.
- 360° free-swivel: Standardised mounts without automatic return.
- Maximum flexibility: In addition to standard mechanisms (such as Mekrapid), we adapt mounting plates and columns to any mechanism you define, based on your CAD data.
Tapering of Steel Tubes
We also offer the manufacture of tapered chair legs using our own tube-forming machine — including subsequent CNC bending and milling of the tube ends.
Overview of Available Surface Treatments
| Surface | Application | Properties & Benefits |
|---|---|---|
| Powder coating | Office, contract, residential, HoReCa | In-house powder coating: full RAL range, fine structure, matte, gloss. High scratch resistance. |
| Stainless steel | Premium interiors, medical, luxury HoReCa | Ground, brushed, or polished. Highest durability and corrosion resistance. |
| Raw steel | Industrial design, loft style, further processing | Untreated steel, ready for customer-side finishing. |
| Galvanic coatings | Design classics, Bauhaus style | Chrome and zinc plating in cooperation with certified partner electroplating facilities. |
What minimum order quantity (MOQ) applies to customer orders?
Our standard series production ranges from 25 to several thousand units. Depending on capacity and project type, we also manufacture small batches from just a few individual pieces upon individual agreement.
Can you manufacture custom swivel chair bases metal according to our CAD drawings?
Yes, as an OEM manufacturer we produce precisely according to the CAD specifications and drawings supplied by our customers.
We don’t have CAD documentation for our base, only a physical prototype or an old sample. Can you make it?
Yes, absolutely. If you provide us with a physical sample or an old frame without drawings, we use our precision Hexagon 3D laser scanner. This allows us to digitise the part on-site and create complete CAD documentation, which serves as the basis for series production.
Can you manufacture bases with tapered legs (tube swaging)?
Yes, we have a specialised forming machine for tapering steel tubes (swaging). This allows us to manufacture tapered chair legs in-house and then further bend them on our CNC machines and precisely mill the tube ends.