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| Title | The date | Reading times | |||||
 Industry information ‖ Screw |
2011-07-16 | 157 | |||||
 A screw, or bolt, is a type of fastener characterized by a helical ridge, known as an external thread or just thread, wrapped around a cylinder. Some screw threads are designed to mate with a compleme... | |||||||
| Industry information ‖ Differentiation between bolt and screw |
2011-07-14 | 177 | |||||
| There is no universally accepted distinction between a screw and a bolt. Machinery's Handbook describes the distinction as follows:
A bolt is an externally threaded fastener designed for insertion ... | |||||||
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add.：No.158 Jin xue Rd, Malu Industrial Park,Shanghai traffi：021-69955479/69955480 traffi： Time
ICP No.：Shanghai ICP No. 10042274