B-HARKO Flat Round Fixed Knob Single-Sided Stainless Steel 8mm Spindle 38mm Screw

Product Overview

The B-HARKO flat round fixed knob is constructed from stainless steel and designed for use on internal or entry doors in residential and commercial buildings. It features a round rose and fits with an 8mm spindle, with mounting holes spaced at 38mm, supporting straightforward replacement or new installation on standard European door preparations. This model is non-turning (fixed), making it suitable for applications where only a pull function is required.

The key differentiator for this SKU is its purpose-specific design as a single-sided (half-set) knob ? supplied with one knob, not a pair, along with the spindle ? which is essential when outfitting doors that require a fixed pull on just one side, such as utility rooms, technical closets, or corridor access points. This configuration streamlines procurement for projects with asymmetric hardware requirements, making it especially useful for door manufacturers and fit-out contractors handling custom or non-standard door plans.

Key Features

• Flat round profile ? provides a low-projection, modern aesthetic suitable for design-focused projects


• Fixed (non-turning) knob ? intended for use as a pull or dummy function, not for mechanical operation


• Stainless steel construction ? ensures corrosion resistance and durability in high-traffic or humid environments


• 8mm spindle included ? compatible with common European door mechanisms


• 38mm screw spacing ? matches standard backplate installations for retrofits


• Single-sided (half-set) configuration ? for installations requiring a knob on one side only


• Satin finish ? minimizes fingerprint visibility and enhances appearance

Technical Specifications

• Material: Stainless steel


• Spindle Diameter: 8 mm


• Screw Spacing: 38 mm


• Configuration: Single-sided (half-set), fixed (non-rotating)


• Shape: Flat round knob with round rose


• Finish: Satin

Applications

Used on interior or entry doors in residential, hospitality, and commercial buildings where a fixed, non-turning pull is required. Commonly installed on technical room doors, corridor entrances, closets, or locations where rotating functionality is not needed. Suitable for both retrofit and new construction projects prepared for 8mm spindle and 38mm screw spacing.

Packaging & Shipping

Standard export packaging. Unit includes one fixed knob, 8mm spindle, and mounting hardware for a single door side.