Sugatsune push lock for bypass doors is a back-surface mount lock designed for bypass sliding doors, so it secures sliding showcase or cabinet doors that overlap. The lock body mounts to the back surface of the front door, while the counterplate mounts on the front face of the back door, so the two pieces engage as the doors align. The lock operates with a simple turn-key and push action, creating a controlled sequence that helps keep doors reliably locked. A high-security million lock dimple key system drives the cylinder, so keyed access is specific and supports restricted operation in shared work areas. The head diameter of 7/8 inch defines the bore or cutout size needed in the front door face, guiding layout. The lock is set up for a stated door thickness of 1-3/16 inch, which defines where the cylinder seats and how the head presents on the door surface.
This push lock for bypass sliding doors uses a back-surface mount on the front door combined with a counterplate on the front face of the back door, so the two doors form a locking pair when aligned. The lock is specified for a door thickness of 1-3/16 inch, which sets the relationship between the cylinder length and the door face, allowing the 7/8 inch head to sit correctly in the door cutout. The back-surface mount layout concentrates the main body behind the front panel, which helps installers work from the rear while keeping the front face focused on the lock head only. With this arrangement, the sliding action positions the counterplate directly in front of the lock body as the doors overlap, creating a predictable lock point each time the doors close.
This Sugatsune 2400M-20 push lock is built for bypass sliding doors, so it suits door sets that move past each other rather than swinging out. The back-surface mount lock locates on the inner face of the front bypass door, allowing the visible front side to show mainly the 7/8 inch head while the working body stays behind the panel. On the rear door, the counterplate mounts to the front face, positioning its strike area where it will meet the lock as the front door slides across. Because the system is described as a bypass sliding door lock within the bypassing and showcase door locks class, it aligns with applications where doors frequently move in front of one another, such as display or cabinet fronts that need an overlapping sliding action.
The locking sequence starts by turning the key 90 degrees to the right, then pushing the lock in, then turning the key 90 degrees to the left before removing the key, so the cylinder moves through a fixed pattern that helps reduce operating mistakes. For unlocking, the description specifies turning the key 90 degrees to the right so the lock automatically disengages, then turning the key 90 degrees back and removing it, which returns the cylinder to its original position. This defined two-step pattern for both locking and unlocking means the user follows the same movements each time, supporting consistent use when different staff handle the same bypass doors. The high-security million lock dimple key further shapes operation by using a dimple-style key in the cylinder, giving the lock a keyed interface that is both familiar to users and suited to controlled key management on site.
This Sugatsune push lock works with bypass sliding doors, so it fits door sets where one door slides in front of another instead of swinging open.
The bypass sliding door lock mounts on the back surface of the front door, while the counterplate mounts on the front face of the back door, so the two parts engage as doors overlap.
This push lock is designed for a door thickness of 1-3/16 inch, which positions the cylinder correctly and allows the head to sit properly in the door face.
The Sugatsune lock has a head diameter of 7/8 inch, which guides the hole size in the door face for proper fit and seating of the lock head.
The turn key push lock mechanism locks by turning the key 90 degrees right, pushing in, then turning 90 degrees left, and unlocks by turning 90 degrees right so it disengages, then turning back.
This bypass lock uses a high-security million lock dimple key, giving a complex dimple-style key pattern that supports controlled keying for display or cabinet doors.
This Sugatsune push lock for bypass doors pairs a back-surface mount body with a front-mounted counterplate, giving bypass sliding doors a defined lock point whenever they overlap. The specified 1-3/16 inch door thickness and 7/8 inch head diameter provide solid layout references during door fabrication, so bores and mounting positions align with the cylinder and face head. With the turn key push sequence and automatic disengage on unlocking, the mechanism establishes a repeatable routine that suits shared-use installations. The high-security million lock dimple key system adds a keyed control layer that fits secure showcase or cabinet projects. For bypass sliding door work that calls for this configuration and dimension set, this model offers a clearly defined way to lock and unlock overlapping doors.
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