republic of south africa Standard

Category:

republic of south africaaccessory products

Product Description

Standard parts refer to commonly used parts (parts) such as structure, size, drawing method, marking and other aspects that have been fully standardized and produced by professional factories, such as threaded parts, keys, pins, rolling bearings and so on. The broad sense includes standardized fasteners, connectors, transmission parts, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts.