U04-Extra Large Metal Turn Button Clip (Black)

Extra Large Metal Turn Button Clip Black – U04 Complete Guide

The Extra Large Metal Turn Button Clip Black (SKU: U04) is the flagship of XKY Framing’s melon-seed clip series. With a 30 mm total length and a 3.2 mm mounting hole, it is purpose-designed for oversized picture frames and canvas stretcher bar assemblies.

Why Choose the Extra Large Metal Turn Button Clip Black?

Large-format artwork demands fasteners that match the scale and weight of the piece. The U04 Extra Large Metal Turn Button Clip Black uses 0.8 mm thick cold-rolled steel across its full 30 mm length, distributing clamping force over a wider area and reducing the risk of backing board deformation under load.

Key Dimensions

Total length: 30 mm. Head width: 8 mm. Tail width: 9 mm. Hole diameter: 3.2 mm. Thickness: 0.8 mm.

Installation

Pre-drill a 3.2 mm pilot hole in the frame moulding. Seat the backing board. Position the Extra Large Metal Turn Button Clip Black and fasten with an M3.5 screw. Rotate 90° to lock. Recommended clip spacing: every 120 mm for frames over 100 cm span.

Related Products

For large frames see U03 Large Metal Turn Button Clip. For silver colour variants see U05 Silver Medium Clip.

Material & Finish

0.8 mm cold-rolled steel, matte black electrophoretic coating.

FAQ

Q: What is the hole size?
A: 3.2 mm, accommodating thicker screws for heavy-duty applications.

Q: Can U04 be used on canvas stretcher bars?
A: Yes, the 30 mm span and 0.8 mm steel make it excellent for securing canvas dust covers.

Q: How does U04 compare to U03?
A: U04 is 6.5 mm longer with a 3.2 mm hole vs U03’s 3 mm, giving higher torque resistance.