What is the difference between screws and standard parts

Update:28 Jul 2020

A screw is a tool that uses the physics and mathematics […]

A screw is a tool that uses the physics and mathematics of the oblique rotation of the object and the friction force to gradually tighten the objects and parts. Screw is a general term for fasteners, a daily spoken word. Screws are generally said to be indispensable industrial necessities in daily life: such as very small screws used in cameras, glasses, clocks, electronics, etc.; general screws for televisions, electrical products, musical instruments, furniture, etc.; as for engineering, construction, Bridges use large screws, screws, and nuts; transportation equipment, airplanes, trams, cars, etc., use both large and small screws. Screws have important tasks in industry. As long as there is industrial production on the earth, the role of screws will always exist. Screws have brought convenience and convenience to people's production and life for thousands of years, and are one of the great inventions of mankind.


Standard parts refer to the commonly used parts (parts), such as threaded parts, keys, pins, rolling bearings, etc., that have been fully standardized in structure, size, drawing, marking and other aspects and produced by professional factories. The broad sense includes standardized fasteners, connectors, transmission parts, seals, hydraulic components, pneumatic components, bearings, springs and other mechanical parts. The narrow sense includes only standardized fasteners. Standard parts commonly known in China are the abbreviations of standard fasteners, which are a narrow concept, but the existence of a broad concept cannot be ruled out. In addition, there are industry standard parts, such as automobile standard parts, mold standard parts, hydraulic standard parts, engineering machinery, etc., which also belong to broad standard parts.

As a famous China Special Screws Manufacturers and Cold Heading Parts Factory,Yuyao Jianfeng Hardware Co., Ltd.was established in 2004. After 14 years of development, with the concept of honest operation and customer first, it is specialized in researching, developing, producing and selling carbon steel stainless steel non-standard parts, non-standard screws and special-shaped cold pier parts. Industrial and Trade Integration Co., Ltd., which is a non-standard rivet and fasteners, cold pier molds, etc.