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Grass TEC 864 hinge is a concealed cabinet hinge from Grass America designed for face-frame applications where a 1/4 inch overlay is required. This hinge belongs to the TEC 864 Series hinge line made in the USA and engineered to exceed industry standards for load rating, opening and closing cycles, so it suits high-use cabinet doors in kitchens, shops, and commercial spaces. As a self-close hinge in the concealed face frame hinge category, it pulls the door shut at the end of travel for a cleaner look and consistent closing on everyday use cabinets. The hinge is part of the concealed cabinet hinges product class, so the hardware stays out of sight when the cabinet door is closed, helping projects meet modern design expectations while keeping hardware protected inside the cabinet environment.
TEC 864 hinges have two cabinet mounting options, side mount and wraparound mount, giving flexibility in how the hinge attaches to the face frame during cabinet construction or retrofit work. The wraparound mount style mounts on 3/4 inch thick face frames by positively locating the hinge base on the face frame, which helps position the hinge accurately on standard 3/4 inch frames without separate layout jigs. This specific hinge is identified as screw-on in the product name and is one of the TEC 864 hinges available in a screw-on cabinet door cup fastening design, which means the cup secures with screws and allows straightforward installation with common drilling equipment. The hinge uses #6 x 5/8 inch flat head for the hinge cup and #8 x 3/4 inch pan head screws, so fastener length and head style align with typical cabinet construction practices.
The SAP description identifies this product as 864-VS8 HINGE 1/4 OL WRAP SCREW-ON, indicating a 1/4 inch overlay and wraparound style suited to face-frame cabinets needing that reveal. As a face frame TEC 864 Series hinge, it is intended for use on face-frame cabinets where the door overlays the frame, so it serves projects built around that construction method. The 108 degree opening angle lets doors open past a right angle, giving better access to cabinet interiors and more comfortable reach-in on everyday use doors. Its design to work with doors up to 3/4 inch thick matches common solid wood or panel door builds, so this hinge type can be used across many standard kitchen or shop cabinet doors without changing hinge families. As a concealed cabinet hinge, it keeps the mechanism hidden when the door is shut, helping finished cabinets present a clean front while the hinge operates inside the cabinet space.
The 108 degree hinge provides three-dimensional adjustment, which supports fine tuning door alignment on installed cabinets without redrilling. Cam side adjustment of plus or minus 1.5 mm lets the door shift sideways relative to the frame, which helps dial in even gaps between doors and adjacent surfaces. Cam depth adjustment of 2.5 mm out and 0.5 mm in allows the door to move toward or away from the cabinet, which is useful for aligning the door face with neighboring doors or drawer fronts. Slotted screw hole height adjustment of plus or minus 2 mm provides vertical movement, so the door can be raised or lowered on the face frame to correct reveals at the top and bottom edges. The shallow 10.5 mm cup depth supports profiled door edges, which means a wide range of door edge treatments can still be bored for this hinge without breaking through. Availability in both 42 mm and 45 mm boring patterns lets boring machines or jigs stay set to familiar dimensions, which helps maintain consistent hinge placement from cabinet to cabinet. As a self-close hinge from the TEC hinge family, it draws the door shut near closing, which can reduce minor misalignment impact and support tidy, reliable cabinet closure in daily use.
The Grass TEC 864 self-close 1/4 inch overlay face-frame hinge is used on face-frame cabinets, where the door overlays the frame and the hinge remains concealed when the door is closed.
The TEC 864 hinge provides a 108 degree opening angle, giving doors clearance past 90 degrees so users have better access to cabinet interiors during regular use.
The 108 degree TEC 864 hinge is designed to work with doors up to 3/4 inch thick, matching typical cabinet door materials and helping standardize hinge choice on those builds.
The TEC 864 hinge uses a shallow 10.5 mm, or 13/32 inch, cup depth, so door bores can suit most profiled edges while maintaining material behind the cup.
The TEC 864 hinge provides two cabinet mounting options, side mount and wraparound mount, giving flexibility in how the hinge attaches to the face frame.
The TEC 864 hinge offers side, depth, and height adjustments, so installers can fine tune door position on the cabinet to set reveals and alignment after mounting.
The Grass TEC 864 hinge as described here combines concealed face-frame mounting, a 1/4 inch overlay, 108 degree opening, and self-close action, so it fits cabinet projects built around standard 3/4 inch doors and 3/4 inch face frames. With its solid metal cup, all-steel moving mechanism parts, shallow 10.5 mm cup, and three-dimensional adjustment, it supports precise fitting and repeatable alignment on recurring cabinet runs. When a project calls for a wraparound style hinge with screw-on cup fastening in the TEC 864 family, this hinge spec aligns with that need for concealed, adjustable face-frame installation.
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