The stainless steel is refers to pickling medium and so on air, water, steam does not rust with in the acid, the alkali, the salt brine and so on the strong corrosive medium the anti-corrosive steel. And some in pickling medium not rusty steel, not necessarily …

Mechanical screw IFI DIN JIS Generally mechanical tooth Generally mechanical tooth Specification Line diameter Specification Line diameter Specification Line diameter 2-56 1.83 M1.0 M1.0 0…

Affects the steel products hardened primary factor to include: Steel products chemical composition, quenching heating temperature, cooling medium characteristic, cooling ways and means that components shape size as well as heating way and so on. (1) steel pr…

　　 (in 2000 10th)The State Bureau of Quality and Technical Supervision authorizes 85 item of national standards, presently gives to announce.State Bureau of Quality and Technical Supervision · on October 12, 2000 Serial number…

The first chapter measure Now in the world the length Measuring unit mainly has two kinds, one kind is the metric system, the Measuring unit for the rice (m), the centimeter (cm), the millimeter (mm) and so on, in Southeast Asia uses and so on Europe, our coun…

A kind of machine parts general name which the fastener for two either two above components (or component) fastens connects into when a whole uses. 　　The fastener is makes the fastening connection with, and applies extremely widespread kind of machine parts. …

Serial number Variety nameWith standard number Pattern Specification scope ProductRank ThreadCommon difference Mechanical propertyOr material Surface treatment 1 Slot women’s hairdo with hair in a spiral on top or behind th…