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6640 2-3/4 2-piece cable grommet gray is a round plastic grommet designed to finish a 2-1/2 inch bore hole while guiding cables through a work surface. The two-piece design, with grommet cap and hole liner, creates a clean, defined opening in desks, workstations, or cabinetry where wires pass through a panel. The gray color helps the opening blend with neutral laminate or painted surfaces, which keeps the cable pass-through visually controlled on finished jobs. The round shape matches standard drilled holes, so fabricators can use a single bore size across multiple stations and drop this part in for a consistent wire pass-through point.
This grommet is described with a 2-1/2 inch round plastic grommet designation, which corresponds to the bore hole diameter used during machining. That diameter guides drill or hole saw selection when preparing desktops, counters, or panels for cable routing. Because the grommet consists of a cap and hole liner, the liner sits in the bore while the cap rests on the surface, providing a defined shoulder that covers slight chipping at the edge of the cut. The pivot hinge hole for wire is built into the cap, so installers can swing the opening into position over existing cords without needing to enlarge the panel opening.
The 6640-021 model belongs to a family of grommets offered in eleven sizes, from 3/4 inch to 3-1/2 inch bore hole diameters, so it aligns with projects that call for a moderate cable bundle through a 2-1/2 inch drilled opening. In desks or multimedia furniture, that bore size supports typical computer, monitor, and power cords passing through a single point while the round plastic cap covers the cut edge. The gray finish works with many neutral work surfaces, helping the opening recede visually in office or shop layouts where multiple workstations repeat the same hardware. Because the grommet class is listed under multimedia and workspace components, it suits installations where wire pass-through is part of organizing devices on tops or shelves without leaving exposed raw edges around the hole.
The description notes that this style grommet has two pieces, specifically a grommet cap and hole liner, and that detail directly affects installation workflow and final appearance. Setting the liner into a accurately drilled 2-1/2 inch bore hole establishes a stable sleeve that helps centralize the cap on the opening. When the cap is pressed into the liner, the upper flange hides minor irregularities around the cut, so fabricators can rely on a consistent finished look even when working across different substrates. The cap pivot hinge hole for wire means the cable opening is part of the cap itself, allowing installers to rotate or pivot the access point to suit the cable path while retaining coverage over most of the bore. This reduces the amount of open area around cables, which helps control wire movement at the entry point and keeps desk, closet, or counter surfaces looking organized on repeat builds using the same Hardware Concepts, Inc. grommet part.
The 6640-021 gray grommet is specified for a 2-1/2 inch bore hole diameter, so drilling to that size prepares the opening for the liner and cap.
The 2-piece design uses a hole liner seated in the bore and a cap resting on the surface, which tidies the cut edge and creates a defined cable pass-through point.
The cap pivot hinge hole for wire provides an opening that swings into place, so cables can be routed through while the rest of the cap still covers the bore.
This round plastic grommet is categorized under multimedia and workspace components, aligning it with desks, workstations, and similar cable management uses.
The gray color coordinates with many neutral surfaces, so the cable opening blends into desks or cabinets rather than drawing attention to the bore hole.
The 2-1/2 inch model is one of eleven sizes in the 6640 grommet range, which spans 3/4 inch to 3-1/2 inch bore holes for different cable capacities.
The 6640 2-3/4 2-piece cable grommet gray from Hardware Concepts, Inc. pairs a grommet cap with a hole liner sized for a 2-1/2 inch bore hole diameter, giving installers a defined, repeatable way to finish cable openings. The cap pivot hinge hole for wire allows controlled cable routing through desks, cabinets, or work surfaces while the round plastic flange neatens the cut edge. For projects requiring organized multimedia or workspace cable pass-through using a gray round plastic grommet, this 6640-021 model supports a consistent, professional result across multiple stations.
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