Bolt: A type of fastener consisting of a head and a threaded rod (cylindrical body with an external thread) that is to be fitted with a nut and used to fasten two parts with through holes. This type of connection is called a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.
Screw: A tool that uses the physics and mathematics of an object's beveled circular rotation and friction to fasten fasteners in order. Screws are a common term for fasteners, spoken daily. Screws are indispensable industrial necessities in everyday life: tiny screws such as cameras, eyeglasses, watches, and electronics; general screws for televisions, electrical products, musical instruments, and furniture; large screws for engineering, construction, and bridges , Nuts; transportation equipment, aircraft, trams, cars, etc. are used in combination with screws.
The difference between screws and bolts III: use occasions
Bolts and screws are used in different places. Bolts do not require high precision. Unless there are matching requirements, the general bolts are easy to disassemble, the machining accuracy is low, and it is not limited by the connection materials. It is widely used, and the bolts that are required to cooperate can withstand lateral directions. Load. The screws are compact in structure but cannot be disassembled frequently and cannot withstand large forces.
Structurally: bolts have a variety of "heads"; studs have no "heads"; screws also have a variety of styles of "heads", but the "head" structure is different, the "head" of the screw is generally fastened With a slot, hexagon, etc., screws that can be tightened by hand will roll over the "head". This makes the screws smaller in size. Application: The bolt is generally used in pairs with the nut for the through hole. It can be easily replaced after being damaged. The stud is also generally used with the nut. It is mostly used for blind holes, and the connected parts need to be frequently disassembled. The screws are also used for blind holes. , When the connecting piece is disassembled by Heng Shao.
Established in 2003, Dongguan Lianggu Fasteners Co., Ltd. is a professional hardware product company that integrates R&D, manufacturing and sales. The company owns more than 50 imported Taiwan screw machines and automatic lathes and a full set of testing equipment, producing GB (GB) , Japanese Standards (JIS), American Standards (ANSI), German Standards (DIN) and other non-standard screws, according to customer requirements to provide reliable quality and reasonable price of various standards and non-standard precision screws, ordinary screws and stainless steel screw mobile phone screws, CD Pattern screws, LED special screws, smart electrical special screws, watch screws, environmental protection screws!
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