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Sugatsune DG-BT2 glass door knob is a 40 mm (1-9/16 inch) diameter chrome knob designed specifically for glass doors, giving installers a defined grip point on the glass panel. The knob is part of the Sugatsune DG-BT2 Series, so it follows a consistent design and sizing standard across that product line, which helps when matching existing installations or planning multiples on the same project. The knob is made from brass, which provides a solid metal base under the chrome finish, giving the piece a substantial feel on the door. The design is a through-glass style that uses a 1/2 inch cut out diameter in the glass, creating a precise mounting location that controls alignment. The knob is sold as a set, so each set is configured to create a functional pull point on a qualifying glass thickness.
This DG-BT2 Series brass chrome knob requires a 1/2 inch cut out in the glass, so the hole size is fixed and predictable from project planning through install. The design is built for glass thickness from 5/16 inch to 1/2 inch, which covers a common range for many glass doors and panels. Working within that thickness range keeps the clamping components working as intended on the glass edge surfaces. The 40 mm diameter provides a broad contact area for the hand, which is useful on heavier glass where a smaller knob might feel undersized. Because the knob is a through-glass style, it uses the pre-cut glass hole as the alignment reference, helping keep both sides of the knob directly opposed for a clean visual line.
The Sugatsune DG-BT2 Series 40 mm diameter chrome knob is intended for use on glass doors that can be drilled to a 1/2 inch cut out diameter. The specified 5/16 inch to 1/2 inch glass thickness range indicates that it is suited to many interior glass door and panel builds that fall inside that thickness window. On these projects, the knob creates a defined pull point without needing any frame-mounted hardware on the stile, keeping the installation focused on the glass itself. The brass construction under the chrome finish adds weight and substance to the knob, which helps it feel appropriate on solid glass rather than light or insubstantial. Because it comes from the DG-BT2 Series, the knob can be used where a matching family appearance is desired across multiple glass doors.
The 1-9/16 inch (40 mm) diameter of this DG-BT2 Series knob sets a clear center point for the user, which pairs with the required 1/2 inch cut out to create a repeatable drilling layout on multiple panels. The fixed 1/2 inch cut out diameter gives glass fabricators an exact dimension to work to, so the hole can be laid out consistently across doors or sidelights. The specified glass thickness range of 5/16 inch to 1/2 inch indicates how much material the knob components are expected to clamp over, which supports consistent grip on the glass surface. The product is described as a brass knob in chrome, so installers know they are working with a metal component that responds predictably to typical hand tightening on a glass door assembly.
The Sugatsune DG-BT2/40-CR knob is specified for glass thickness from 5/16 inch to 1/2 inch, so it clamps properly when used on glass within that range.
The DG-BT2 Series knob uses a 1/2 inch cut out diameter in the glass, which defines the drilling requirement for fabricating the door panel.
The Sugatsune DG-BT2/40-CR glass door knob has a 40 mm, or 1-9/16 inch, diameter, giving users a broad, comfortable gripping surface on the glass door.
The DG-BT2/40-CR knob is described as a brass knob with a chrome finish, combining a solid metal body with a chrome appearance.
The DG-BT2 Series set specifies two knobs, two washers, and tube, forming a through-glass configuration for one door location.
The DG-BT2 Series designation identifies this knob as part of a specific Sugatsune product line, which maintains consistent sizing and styling across matching components.
The Sugatsune DG-BT2 glass door knob pairs a 40 mm diameter chrome brass body with a defined 1/2 inch glass cut out and a 5/16 inch to 1/2 inch glass thickness range. That combination simplifies layout and fabrication on glass projects while giving users a solid handhold. For glass door work that calls for a through-glass knob from a named series, this DG-BT2/40-CR provides clear dimensions and a chrome look that aligns with many decorative hardware schemes.
