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Grass TEC 864 hinge is a concealed face frame hinge for 1/2 inch overlay cabinet doors, giving a clean exterior while controlling the door swing. The TEC 864 Series is part of Grass Americas concealed cabinet hinges, so it is built around a hidden cup and arm that keep hardware out of sight when the door is closed. This 108 degree hinge controls how far the door opens, which helps keep doors clear of nearby cabinets and walls in a typical kitchen or shop layout. The hinge design is self-close, so the mechanism pulls the door shut at the end of travel, supporting consistent door alignment in everyday use. Its solid metal cup and all-steel moving mechanism parts support repeated opening and closing cycles, which matters on heavily used doors in residential or commercial cabinetry.
The TEC 864 hinge offers three-dimensional adjustment, so installed doors can be tuned after boring and mounting. A cam side adjustment of plus or minus 1.5 mm shifts the door side-to-side on the face frame, which helps align gaps between adjacent doors. A cam depth adjustment of 2.5 mm out and 0.5 mm in moves the door toward or away from the cabinet, which helps flush doors with neighboring surfaces and frames. A slotted screw hole height adjustment of plus or minus 2 mm moves the door up or down, which helps straighten reveals along the top and bottom of a run. These combined adjustments give enough range to correct typical drilling or mounting variance in a cabinet shop or on an install site.
The Grass face frame TEC 864 Series hinge line is made in the USA and is engineered to exceed industry standards for load rating plus opening and closing cycles, so it suits high-use cabinetry where hardware is expected to operate for many years. As a concealed cabinet hinge in the Concealed Face Frame Hinges category, it is aimed at cabinets built with face frames where a hidden hinge is preferred over exposed hinges. This specific TEC 864 variant is for 1/2 inch overlay doors, so it fits layouts where the door is intended to cover the frame by that amount rather than being inset or full overlay. Two cabinet mounting options exist in the TEC 864 line - side mount and wraparound mount - and this model is identified in the description as side mount, so it attaches to the side of the face frame rather than wrapping around its edge. The wraparound mount style in the same series mounts on 3/4 inch thick face frames by positively locating the hinge base on the face frame, so shops working with that frame thickness can match styles within the same TEC 864 family.
The 108 degree TEC 864 hinge has three dimensional adjustment using cams and slotted screw holes, so once the hinge is installed the door position can be fine-tuned without moving the cup bore. The cam side adjustment of plus or minus 1.5 mm gives controlled lateral movement, which is useful when dialing in even gaps between pairs of doors on a shared face frame. The depth cam offers 2.5 mm out and 0.5 mm in movement, so the door can be brought out to clear face frames or pulled in to sit closer, improving how the door face lines up with surrounding cabinetry. Slotted screw hole height adjustment of plus or minus 2 mm permits small vertical shifts, which helps line door tops across a long bank of cabinets and reduces the time spent re-boring or re-hanging doors. TEC hinges have a shallow 10.5 mm cup, labeled as 13/32 inch, so boring depth remains modest and is easier to repeat accurately on standard cabinet door thicknesses. In the TEC 864 family, available boring patterns of 42 mm and 45 mm support common hinge boring equipment, which helps shops standardize drilling setups across different projects. The series uses #6 x 5/8 inch flat head fasteners for the hinge cup and #8 x 3/4 inch pan head fasteners for mounting, so drill sizes and drivers can be planned around those dimensions in production runs.
The 108 degree TEC 864 hinge is designed to work with doors up to 3/4 inch thick, which covers typical kitchen, bath, and casework door constructions.
The TEC 864 1/2 inch overlay hinge positions the door so it covers 1/2 inch of the face frame, which defines the reveal and spacing between adjacent doors and frames.
The TEC 864 series offers side mount and wraparound mount cabinet options, so hinges can be matched to the preferred way of attaching to the face frame.
The TEC 864 hinge provides cam side and depth adjustments plus slotted height movement, allowing precise control of gaps, flushness, and vertical alignment after installation.
TEC 864 hinges are available with 42 mm and 45 mm boring patterns, supporting common drilling jigs and machinery used in cabinet door production.
The TEC 864 hinge uses #6 x 5/8 inch flat head fasteners at the cup and #8 x 3/4 inch pan head fasteners at the cabinet, helping standardize tooling around these sizes.
This Grass TEC 864 hinge from Wurth Baer Supply combines a concealed face frame design, 1/2 inch overlay, and 108 degree self-close motion to support clean cabinet lines. Its US-made TEC 864 construction, shallow cup depth, and three-dimensional adjustment give fabricators and installers a hinge that can be bored, mounted, and then finely tuned to align doors across a run. For projects using face frames and 3/4 inch thick doors, this hinge aligns with typical shop standards while keeping hardware hidden and door motion controlled.
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