Colored Machine Screws Aluminum Snake Eyes Security 2 Holes Mushroom Head Tamper Proof Spanner Round Bolts Red Green White Fasteners Anodizing

The colored machine screws are made of aluminum with colored anodizing. The spanner screw 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 Industrial Limited aimed to be the best precision colored machine screws supply company of cold forming services. At the same time, we provide a customizable package according to your request.

Anodizing (also spelled anodizing, particularly in the UK, India, and Australia) is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts.

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