Are you still bothering about the fasteners?
These wing screw would be the best choice for you to solve the problem. Twisting the screw by hand, you can fasten two parts(structures)together easily.
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Description:
Material: Carbon steel, zinc plated, anti-rust and anti-corrosion.
Feature: Easy to install and remove, can be used repeatedly.
Usage: Twist the screw by hand without any other tools, easy to install.
Applications: Machinery and equipment, electronic equipment, communications equipment, hardware lighting, building bridges, furniture decoration, etc.
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Specification:
Product Name: Wing Butterfly Screw
Material: Carbon Steel
Finish: Zinc Plated
Thread Size: M8 x 30mm / 0.31-inch x 1.18-inch(D*L)
Thread Pitch: 1.25mm
Overall Size: 43 x 29 x 12.5mm / 1.69-inch x 1.14-inch x 0.49-inch(L*W*T)
Main Color: Silver Tone
Weight: 353g
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Package Content: 20pcs x Wing Butterfly Screw