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Top Line Grant HD Single Door Hardware Set is a sliding door hardware solution designed for a single door application, so one set supports one moving door in a sliding run. The set is part of the sliding door hardware range, giving installers a defined group of components suited to that role. The hardware set is supplied by Hettich America Corporation under manufacturer part number 9191125, so the reference ties directly to a specific configuration when planning or reordering jobs. This set is described as an HD standard set of fittings, which identifies it as a matched group of sliding components arranged for typical heavy duty single door use. Web description states that the set contains all components for a 1-door application, so the group of listed parts is organized to support one door from top running through to base guidance.
The sliding door hardware set is categorized as builders hardware for sliding door hardware, so every component in the description is oriented around guiding and supporting a door panel rather than general carpentry use. The two runner carriages with precision ball bearing rollers carry the top of the door, which supports smooth travel along the running line in service. Height adjustable retaining pins on the runner carriages provide a built-in method to raise or lower the connected door relative to the hardware, which helps correct reveals or floor clearance without altering the door itself. Door fixing plates connect the panel to the carriages at consistent points, supporting repeatable placement across similar openings.
The hardware is identified as Top Line Grant HD Single Door Hardware Set within the sliding door hardware class, so it is intended wherever a single sliding door panel needs guided movement along a track. The set is described as containing all components for a 1-door application, meaning the listed runner carriages, door fixing plates, end stops, base glider, and fixing material are arranged to support one leaf from top support to base guidance. As builders hardware, this group of fittings suits woodworking and similar construction environments where a sliding motion is preferred over hinged movement. Being an HD standard set of fittings, the parts share a coordinated design that keeps the door supported at the head and guided at the base during travel.
The two runner carriages with precision ball bearing rollers provide the main sliding interface, which helps the door move with reduced resistance along the running track over repeated cycles. Height adjustable retaining pins integrated into the runner carriages allow vertical adjustment after initial mounting, which is valuable when aligning the door to surrounding panels or correcting for minor variations in opening height. The two door fixing plates give defined connection points between the runner carriages and the door, which supports consistent hanging positions across multiple installations. Two end stops are part of the set so the door travel is physically limited at each end of the track, helping position the door reliably in its open and closed locations. A base glider under the door works with the top runners to control sway and lateral movement, which keeps the panel tracking along a predictable line. The specified fixing material connects these parts into a complete working assembly, supporting a coordinated sliding action from first fit through long-term use.
The Top Line Grant HD Single Door Hardware Set is described for a 1-door application, so it is arranged to support and guide one sliding door panel along its track.
The runner carriages use precision ball bearing rollers, which carry the door load along the running line to support smooth, consistent sliding motion in service.
The height adjustable retaining pins on the runner carriages let the door be raised or lowered relative to the track, helping align reveals and clearances after installation.
Door fixing plates provide defined mounting points between the door and runner carriages, supporting consistent door positioning and load transfer across similar openings.
The two end stops limit the door travel along the sliding path, helping position the panel at its open and closed extremities and preventing over-travel.
The base glider supports the bottom of the door, working with the top runner carriages to control sway and guide the door along a steady path.
The Top Line Grant HD Single Door Hardware Set from Hettich America Corporation groups runner carriages, door fixing plates, end stops, base glider, and fixing material into one coordinated sliding system for a single door. Using manufacturer part number 9191125 connects this configuration directly to documentation and future ordering on repeat projects. For installers and shops planning a 1-door sliding application within the sliding door hardware category, this HD standard set of fittings provides the defined components needed to support, guide, and align the moving door panel.
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