Custom long receptacle screws pan head phillips

A manufacturer of power equipment to the SST to order a number of long receptacle screws, it requires economic and practical, salt spray test requirements of 12 hours. After the advice of the SST, the customer decided to make zinc plating pan head phillips long receptacle screw.

Carbon steel zinc plating is used to make long receptacle screws because carbon steel material is much cheaper than stainless steel, which meets the requirement of low cost, but customers have to ask for the salt spray test, so Shi Shi Tong advises customers to do zinc plating treatment, which can ensure that salt spray test for 12 hours.

If stainless steel is used to make this long receptacle screws, it’s salt spray test can, of course, meet the higher requirements. But in terms of cost, the use of carbon steel is also cost-effective, because the screw does not take a long time to test salt spray.

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