Large Plastic Melon-Seed Turn Button Clip Black – U26 Complete Guide
The Large Plastic Melon-Seed Turn Button Clip Black (SKU: U26) is the heaviest-duty option in XKY Framing’s ABS plastic clip series. With a 1.5 mm thick body and 21 mm length, it provides steel-comparable structural rigidity in a polymer package for large picture frames that benefit from non-metallic hardware.
Why Choose the Large Plastic Melon-Seed Turn Button Clip Black?
In humidity-sensitive environments such as tropical climates or coastal galleries, metal clips can corrode despite protective coatings. The U26 Large Plastic Melon-Seed Turn Button Clip Black eliminates corrosion risk entirely while its 1.5 mm thick ABS body provides the rigidity needed for large-format backing retention.
Key Dimensions
Total length: 21 mm. Head width: 7.4 mm. Tail width: 8.4 mm. Hole diameter: 3 mm. Thickness: 1.5 mm.
Installation
Seat large backing board. Align 3 mm hole. Fasten with M3 screw. Rotate wide 8.4 mm tail over backing edge to lock. Use 10+ clips for frames over 60 cm span.
Related Products
For medium plastic see U25 Medium Plastic Melon-Seed Turn Button Clip Black. For equivalent metal large clip see U03 Large Metal Turn Button Clip Black.
Material & Finish
ABS plastic, matte black, 1.5 mm body thickness.
FAQ
Q: Why is U26 1.5 mm thick?
A: Compensates for the longer 21 mm lever arm, maintaining equivalent torsional rigidity.
Q: Can U26 replace metal clips on large frames?
A: Yes for lightweight backing up to 60×80 cm. For heavy MDF use metal clips.
Q: Is U26 food-safe?
A: ABS is food-contact safe in many jurisdictions; confirm local regulations for food applications.
