Type A screw manufacturer in China
Type A screw manufacturer in China. Type A screw is a thread forming screw for use in thin metal .015 to .050 thick. Used with drilled, punched or nested holes in sheet metal,resin impregnated plywood, asbestos combinations, among others. Not-recommended for new design. Screws supply Yuhuang- Manufacturer, supplier and exporter of screws. Yuhuang offers a wide [...]