Double-Sided Steel Rotating Door Knob No Spring Black 42.5mm 8x8mm Single Rosette

Product Overview

The double-sided rotating knob assembly in black finish is used for doors requiring two-way operation, typically in residential and light commercial interiors. Made of steel with surface-mounted design, it features a single rosette for streamlined installation and is suited for doors with standard 8x8 mm spindle openings. The knob diameter of 42.5 mm and total height of 78 mm ensure compatibility with most interior door types.

Unlike generic spring-loaded knobs, this model's rotation is purely mechanical?without an internal spring mechanism?eliminating potential maintenance issues related to spring failure. This makes it a straightforward choice for property managers and bulk-fitout contractors looking to minimize service calls and ensure long-term durability in apartment, hotel, or office settings.

Key Features

• Double-sided rotating knob ? allows operation from both sides of the door


• Steel construction ? provides robust durability for frequent use areas


• No internal spring ? reduces maintenance and eliminates spring wear risk


• Single rosette ? simplifies surface-mounted installation


• Knob diameter 42.5 mm ? suitable for standard interior doors


• Spindle size 8x8 mm (threaded) ? fits common door lock preparations


• Black finish ? offers a modern appearance suitable for various decors

Technical Specifications

• Knob Diameter: 42.5 mm


• Total Height: 78 mm


• Outer Rosette Diameter: 60 mm


• Inner Rosette Diameter: 32 mm


• Spindle Dimensions: 8x8 mm, threaded


• Mounting: Surface-mounted


• Material: Steel


• Color: Black

Applications

Commonly used in residential apartments, hotels, offices, and public institutions for internal doors requiring easy access from both sides. Fits doors equipped with standard 8x8 mm spindle locks. Well-suited for bulk installation projects or retrofits where spring-free rotational operation is preferred to minimize maintenance.

Packaging & Shipping

Standard export packaging. Unit includes two knobs, single rosette, threaded spindle, and mounting accessories.