Material: Carbon steel, zinc plated, anti-rust and anti-corrosion.
Usage: Twist the screw by hand without any other tools, easy to install.
Feature: Special wing design, increases the lateral bearing surface and makes it easier to fasten, can be used repeatedly.
Applications: Machinery and equipment, electronic equipment, communications equipment, hardware lighting, building bridges, and furniture decoration which require insulation, frequent disassembly, and maintenance.