[Introduction of standard pump] The main contents of the standard standard pump include: standard chart of process pump selection, operation flow, application area, size of specification, composition of material parts, technical parameters and other system graphic information as follows: Source: Liaoning Star Pump Co., Ltd. ã€Editor's note】 For more information on Star standard process pump series products, please log in the Chinese standard process pump industry data Magenta - Asia pump network. This article is copyrighted industry interconnect (Xiamen) Co., Ltd. All are welcome to reprint, please indicate the source and author of: Asian pumps Network (CEO QQ / micro-channel :) Editor: Sun Yongchun (QQ / micro-channel :) :( starting service Hotline:)
Non-tapping screws are machine Screw, the pieceworker to be fastened must be tapped with taps in the screw hole in advance to match the screw threads.
The difference between tooth screws and other screws depends on whether they can be used together with nuts. Tooth screws can be used with nuts. And relative to the screws of other teeth, there are self-tapping screws. The nut of this kind of screw has no bow teeth. As for the standard teeth and fine teeth are only different pitch, it is the nut of the machine screw