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The TT401 is a zinc-finished metal rear mounting bracket built specifically for the Knape and Vogt Tru-Trac TT100 drawer slide. It bridges the gap that face-frame cabinet construction creates between the front frame and the cabinet side, giving the back end of the slide the rigid, screw-on support it needs to carry a drawer correctly.
Face-frame cabinet construction sets the interior panel back from the front opening, which leaves the rear end of a drawer slide without a direct mounting surface at the cabinet face. The TT401 solves this by anchoring at the back of the cabinet, keeping the TT100 slide properly aligned from front to rear. Without it in a face-frame install, the slide back end floats — and a floating rear means the drawer racks and wears unevenly over time. This bracket is the part that makes the TT100 system work correctly in traditional American face-frame construction, not just in frameless boxes.
The TT401 is formed from metal with a zinc finish — the same practical, corrosion-resistant plating found on most production cabinet slide hardware. The zinc finish is a functional choice: it holds up through years of indoor service without flaking or corroding under normal cabinetry conditions. The bracket is not a decorative piece — once the drawer is in, it stays out of sight inside the cabinet box.
Cabinet shops running Tru-Trac TT100 slides into face-frame cabinets are the primary buyers. If your shop builds or installs traditional face-frame casework and has standardized on the Tru-Trac system, the TT401 belongs on every face-frame drawer position. Contractors retrofitting drawers into existing face-frame cabinets will also find it essential — the rear bracket is the piece most often overlooked on a first order and most often needed on a return trip. The non-handed design means one SKU covers both sides of the cabinet, which keeps the parts list clean on multi-drawer jobs.
The TT401 is designed for use with the Knape and Vogt Tru-Trac TT100 slide. It is a Tru-Trac system component, not a universal rear bracket — do not assume it fits other KV slide series without confirming the hole pattern and mounting geometry against those products.
In a frameless cabinet, the slide mounts directly to the flat interior side panel from front to back, so a rear bracket is not required. The TT401 is the solution for face-frame construction, where the recessed side panel cannot support the rear of the slide on its own.
A typical drawer uses one slide per side, so you need one TT401 bracket per slide — two brackets per drawer. Because the bracket is non-handed, both the left and right positions use the same part.
The TT401 uses screw-on mounting. The source data does not specify screw size; follow the hardware recommendations in the Tru-Trac TT100 installation guide for the correct fastener.
Ordering the TT401 alongside the TT100 slide on the front end of a face-frame job is the move that prevents a return trip — the bracket is small, but it is the part that holds the back of the slide where it belongs and keeps the drawer running true through years of use.
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