Socket screws are also known as Allen head screws or bolts, and are fastened using a hexagonal or shaped wrench, requiring a key to tighten and remove. Standard sizes available from stock. Custom sizes to order and we also manufacture special products to customer drawings.
Ningbo Weifeng Fastener Co., Ltd., established in the year 2003, is a global industry and trade combined company. Our company is specialized in developing, manufacturing, trading and providing services for fasteners and hardware tools.