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The Moroso butterfly-head quick fastener is a steel 5/16in shank with .500in length, sold as a 10-pack for panel mounting and light fabrication. The butterfly head gives a compact retention point while the longer shank accommodates thicker substrates, making these fasteners practical for installations requiring reliable, repeatable attachment.
Moroso Quick Fastener - Butterfly Head - 5/16in x .500in - Steel - 10 Pack
