The Vertical Rectangle Button Pin Back is a professional backplate assembly featuring a completely flat surface design. It abandons the conventional raised or recessed central structure traditionally used to accommodate pin mechanisms. Instead, the entire outer bottom surface forms a single, continuous flat plane, achieving an unprecedented level of flatness.
Vertical Rectangle Button Pin Back design not only maximizes the usable back surface-providing an ideal base for processes such as screen printing and laser engraving-but also enables seamless fitting or tight stacking against other flat surfaces. It is well suited for innovative applications that demand high standards for back appearance, assembly precision, and functional integration, and represents a key step in transforming badges from simple "wearable items" into multi-functional components.
Core Materials and Processes
Substrate and flatness control:
High-quality cold-rolled steel sheets with excellent inherent flatness are selected. Multiple leveling processes are applied during the stamping stage to ensure that warping of the finished product remains below industry standards under natural conditions, achieving near "mirror-level" flatness.
Surface treatment:
A medium-abrasion sandblasting process is applied to the completely flat surface. The primary challenge of this process is maintaining a uniform matte texture without revealing microscopic surface imperfections that may become noticeable due to the magnification effect of a flat plane. The result is a smooth tactile finish and an excellent foundation for ink adhesion.
Structural innovation:
The traditional central riveted boss has been eliminated. Instead, internal reinforcing ribs are strategically distributed from the edges through an optimized layout, ensuring that overall rigidity and compressive strength meet usage requirements despite the absence of a central support point.
Edge details:
All corners are carefully rounded for safety, while the overall outline remains clean, minimal, and modern.
Complete Product Specification Table
|
Size / Model |
Materials and Surface Treatment |
|
50 × 50 mm Medium Sand Bottom Cover Flat Model |
Metal, medium sandblasted surface |
|
43 × 70 mm Medium Sand Bottom Cover Flat Model |
Metal, medium sandblasted surface |
Core Product Advantages
Maximum printing and processing area:
The fully flat surface eliminates obstacles caused by central protrusions, enabling full-area fine screen printing, color printing, or laser engraving on the back. This makes it ideal for double-sided patterned badges or information-rich product nameplates.
Exceptional flatness and surface fit:
The backplate adheres closely to paper, leather, plastic sheets, and other flat substrates, and can be permanently fixed using double-sided adhesive or glue. This makes it especially suitable for DIY crafts, model signage, or embedding into display panels.
Easy stacking and automation compatibility:
The flat back design allows badges to stack tightly and stably, reducing storage and packaging volume. It also improves compatibility with automated equipment for gripping, sorting, and packing, thereby enhancing logistics efficiency.
Extensive design and assembly flexibility:
The flat profile gives product designers greater freedom to integrate the backplate as a standardized module within more complex structures-such as blind boxes, toys, or electronic photo frames-without the need to reserve space for rear protrusions.
Enhanced visual cohesion and structural performance:
Viewed from the side, the clean and continuous lines convey a modern industrial aesthetic. Meanwhile, the redesigned internal rib structure provides bending resistance that, in certain stress directions, surpasses that of traditional protruding-back models.
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