户外广告牌不锈钢和铝合金的区别

Based on the different forms of billboards, there are many types of billboard screws. Therefore, material buyers go to the advertising material purchasing market to buy billboard screws. When purchasing, you must have some understanding of the type of billboards to be installed before purchasing. What types of screws are there for billboards? Let us find out together.
The common types of billboard screws mainly include the following series:
Self-tapping screws, expansion screws, plastic screws, thumb screws, drill tail screws, combination screws, double-head screws, non-standard screws, nylon screws , customized screws, hollow screws, countersunk head screws, advertising screws, hexagonal screws, special-shaped screws, furniture screws, eye screws, led special screws, stainless steel advertising screws, advertising screws, advertising screws, mirror nails, photo frame screws, decorative nails, decoration Advertising nails, hollow advertising nails, solid advertising nails, stainless steel hollow advertising nails, stainless steel solid advertising nails, stainless steel hollow advertising screws, stainless steel solid advertising screws, advertising columns, stainless steel hollow advertising columns, stainless steel solid advertising columns, mirror columns, aluminum advertising screws , aluminum advertising nails, aluminum decorative nails, copper advertising nails, copper advertising columns, copper decorative nails, etc.