Specification：M3.5 x 6.5MM
Customers can customize the specifications
Materials can be iron or stainless steel
The surface treatment in addition to dacromet can also do nickel or zinc plating(coloured zinc and white zinc)
The surface treatment color may have the bronze color, the light bronze color, the teal gray color and so on, may make to order by the customer
All screws are salt mist tested. The proportion of salt water is 5% and the requirement of salt fog is 1000-3000 hours. After the test, all the screws are free from rust.
Material : Iron
Our countersunk cross head screws are made of highly corrosion-resistant iron and have a longer service life than screws made of other materials on the market.
Our screws are suitable for indoor and outdoor use, with good water resistance. Bolts are suitable for all wet conditions. We adhere to strict requirements, using high-quality materials in the market so these screws have strong corrosion resistance, will support all your projects.
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