Baoding Xiaoguo Intelligent Equipment Co., LTD. is Hexagon head thread rolling screws manufacturer and supplier in China who can wholesale Slotted pan head screws. The company provides customers with customized product services and sends free samples to customers.
GB/T 6563-2014 specifies key technical parameters such as size, material and mechanical properties of hexagonal head self-extruding screws to ensure that products meet the requirements of national standards.
Through a specific manufacturing process, the screw can self-form a tight fit thread during tightening, improving connection strength and sealing.
Inspection rules: Specify the sampling method and receiving conditions to ensure that each batch of screws can meet the specified standards.
Marking, packaging, transportation and storage: Standards also address product identification, packaging, transportation and storage conditions to ensure the quality and safety of products in circulation and use.