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The Tenn-Tex C-310 is a non-handed adjustable rear mounting socket designed to support undermount drawer slides at their back end, accepting 8mm dowels and fitting both 47mm and 51mm mounting configurations. Sold in a box of 400, it is built for production cabinet shops running undermount installations at volume.
In an undermount slide installation, the rear mounting socket is what keeps the back of the slide anchored to the cabinet. Without a solid rear bearing point, an undermount slide can rack or lose alignment over time, particularly under load. The C-310 fills that role at the cabinet's back panel or rear rail, seating on an 8mm dowel bore rather than screws — a method well suited to CNC-drilled cabinet carcasses where the hole locations are already part of the program. Because the bracket is non-handed, it drops into either side of the cabinet without sorting left from right on the line, which matters when you are running dozens of boxes a week.
The dual 47mm and 51mm compatibility means the C-310 works across more than one slide spec without stocking two separate parts — a practical consolidation for shops that run multiple undermount lines or switch between slide sources.
The C-310 is a Tenn-Tex Plastics component, and like the rest of the Tenn-Tex accessory line it is molded plastic. Plastic rear sockets are the standard in this application — they seat cleanly against the cabinet panel without marring the finish, and the molded geometry holds the slide in position without deflection under normal drawer loads. The 8mm dowel interface is sized for the bore standard common to 32mm-system production cabinets.
This is a production shop purchase. The 400-unit box is not sized for a remodel job or a single cabinet run — it is sized for a shop that is already committed to a compatible undermount slide system and needs rear socket hardware to keep pace with build volume. Designers specifying hardware and contractors sourcing for a single install will typically find a smaller pack quantity is the right fit; this box serves the shop floor. If your cabinet design calls for a rear-mounted undermount support and your CNC program is already boring 8mm holes for dowel-mount hardware, the C-310 is a direct drop-in.
The source data does not name a specific slide brand or series — the C-310 is described by its physical specs (8mm dowel mount, 47mm and 51mm fit, non-handed). Confirm compatibility with your specific undermount slide system before ordering at volume.
Non-handed. The same C-310 bracket installs on the left and right cabinet sides, so you order one part number and stock one bin — no left/right sorting on the line.
The bracket seats on an 8mm dowel, so the cabinet back panel or rear rail needs an 8mm bore at the correct location for your slide spec. Use your CNC drilling program or a boring template matched to your slide system to place the hole accurately.
The product is listed as 400 per box. Because this is a non-handed rear socket, each unit is a single bracket — order two per drawer (one per cabinet side) to complete the rear support for one drawer. The source data does not further specify the pack contents beyond the 400-count.
Rear mounting sockets and slide accessories are matched to specific slide systems. Do not assume the C-310 interchanges with rear brackets from other manufacturers — verify it fits your undermount slide before committing to a full-box purchase.
A rear socket that installs without handed sorting and seats on a pre-bored dowel hole removes two friction points from the undermount assembly process. At 400 units per box, the C-310 is sized to run alongside a serious production schedule — the right part, in the right quantity, ready when the line is.
Sold In: 400 Each