Metric Security Screws Dome Head Red Color Coated Custom Fasteners

The metric security screws drive uses two round holes opposite each other and is designed to prevent tampering. Other informal names include pig nose, drilled head, or twin hole. This type is often seen in elevators and restrooms in the United States, the London Underground in the United Kingdom, some train wagons, and the Montreal Metro in Montreal, Quebec, and is seen in all Panama Metro wagons. The driving tool is called a “spanner driver” or “spanner screwdriver” in the US, and a “pin spanner” in the UK. They are also often used for soft spikes on golf shoes. Ever Hardware provides custom-made metric security screws and screws and customizable packaging.

Powder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. The coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a “skin”. The powder may be a thermoplastic or a thermoset polymer. It is usually used to create a hard finish that is tougher than conventional paint. Powder coating is mainly used for coating metals, such as household appliances, aluminum extrusions, drum hardware, and automobile and bicycle parts. Newer technologies allow other materials, such as MDF (medium-density fibreboard), to be powder coated using different methods.
Advantages of Powder Coating instead of other coatings
1：Powder coatings emit near zero volatile organic compounds (VOC).
2：Powder coatings can produce much thicker coatings than conventional liquid coatings without running or sagging.
3：Powder coated items generally have fewer appearance differences between horizontally coated surfaces and vertically coated surfaces than liquid coated items.
4：The wide range of specialty effects is easily accomplished using powder coatings that would be impossible to achieve with other coating processes.

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