Colombo Design Ottocento KOT15R revolving brass door knob from the Antologhia collection, mounted on a rose. Its tapered round stem and bell-shaped end reproduce the language of 19th-century architectural hardware. Made in Italy with traditional craftsmanship and a return spring.
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Ottocento KOT15R is a revolving interior door knob from the Colombo Design Antologhia collection, made of brass and supplied in a traditional rose-mounted configuration.
The model revisits one of the most recognisable forms of classical architectural hardware: a tapered round stem with a bell-shaped end, reproduced with proportions and workmanship inspired by 19th-century designs.
| Manufacturer | Colombo Design |
|---|---|
| Collection | Antologhia |
| Model | Ottocento |
| Product code | KOT15R |
| Type | Revolving door knob on rose |
| Material | Brass |
| Return spring | Included on KOT15R version |
| Rose versions | Low rose; high rose with integrated return spring |
| Finishes shown on this product page | Bronze, natural brass, natural unlacquered silver, natural nickel |
| Origin | Made in Italy |
Ottocento KOT15R is a revolving door knob designed to operate the lock, rather than a fixed pull knob. Its tapered stem and bell-shaped end directly recall traditional 19th-century architectural hardware, giving the product a clearly recognisable historical character.
The rose-mounted configuration keeps the fitting visually compact and allows the knob itself to remain the principal design feature.
The KOT15R version is associated with the configuration incorporating a return spring. The family also includes low-rose variants without an integrated spring.
The actual lock mechanism and door specification should always be checked before installation.
Ottocento belongs to Colombo Design's Antologhia collection, a Made in Italy range inspired by historic architectural hardware. Its manufacture combines traditional techniques with a significant element of manual craftsmanship and hand finishing.
Slight porosity, texture or minor surface variations may occur as a natural consequence of these traditional processes. Such characteristics are consistent with the handcrafted character of the collection rather than the perfectly uniform appearance of fully standardised industrial production.
The product page offers bronze, natural brass, natural unlacquered silver and natural nickel finishes. Natural untreated metal surfaces may gradually change in colour and appearance through handling, exposure and ageing.
Natural unlacquered brass, in particular, gradually oxidises and develops its characteristic surface patina, contributing to the authentic appearance associated with traditional Italian architectural hardware.
Assembly diagram for COLOMBO DESIGN doors and winows handles, knobs, and accessories.
Download (3.08MB)Reference: 085.KAC15R
Brand: Colombo Design
Reference: 085.KBU15R
Brand: Colombo Design
Reference: 085.KLU25R
Brand: Colombo Design
Reference: 085.KOT15R
Brand: Colombo Design
Reference: 085.KSE15R
Brand: Colombo Design
Reference: 085.KLU15R
Brand: Colombo Design
Reference: 085.KAC15R
Brand: Colombo Design
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Colombo Design Ottocento KOT15R revolving brass door knob from the Antologhia collection, mounted on a rose. Its tapered round stem and bell-shaped end reproduce the language of 19th-century architectural hardware. Made in Italy with traditional craftsmanship and a return spring.
