Medium Clear Plastic Melon-Seed Turn Button Clip – U28 Complete Guide
The Medium Clear Plastic Melon-Seed Turn Button Clip (SKU: U28) is the 20 mm transparent backing clip in XKY Framing’s invisible-hardware series. With a standard 3 mm hole and 1.2 mm body, it provides reliable medium-frame backing retention that remains visually unobtrusive on light or transparent mounting surfaces.
Why Choose the Medium Clear Plastic Melon-Seed Turn Button Clip?
As frame sizes grow beyond 30 × 40 cm, backing clips become more visible from oblique viewing angles. The U28 Medium Clear Plastic Melon-Seed Turn Button Clip’s optical clarity ensures it remains inconspicuous even at close inspection distances, making it the hardware of choice for high-end transparent and light-toned frame assemblies.
Key Dimensions
Total length: 20 mm. Head width: 6 mm. Tail width: 6 mm. Hole diameter: 3 mm. Thickness: 1.2 mm.
Installation
Pre-drill 3 mm hole. Seat backing. Align clip. Fasten with M3 × 8 mm panhead screw. Rotate to lock. Clear body becomes nearly invisible against white or acrylic backing.
Related Products
For small clear see U27 Small Clear Plastic Melon-Seed Turn Button Clip. For large clear see U29 Large Clear Plastic Melon-Seed Turn Button Clip.
Material & Finish
Clear polycarbonate/ABS, 1.2 mm body thickness.
FAQ
Q: How does U28 differ from U27?
A: 4 mm longer, 3 mm hole (vs 2.5 mm), slightly thinner at 1.2 mm.
Q: Best screw for U28?
A: M3 × 8 mm panhead for optimal engagement and minimal visibility.
Q: Can U28 be painted?
A: Yes. Acrylic or polycarbonate spray paint adheres well for colour-matching.
