May 25 Hangzhou Profile Market Price Quotes


Name of product specification Materials Steel factory / origin Price (yuan/ton) Than yesterday Compared to last week Than last month
I-beam 36#/b Q235 Lai Gang 3830 0 0 230
I-beam 40#/b Q235 Lai Gang 3830 0 0 200
Channel steel 16#a Q235 Ma Gang 3600 0 0 220
Channel steel 25# Q235 Ma Gang 3600 0 0 280
Angle Steel 50*50*5mm Q235 Tong Gang 3520 0 0 170
Angle Steel 50*50*5mm Q235 Ma Gang 3580 0 0 230



Machine Screw

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

Hex Machine screw,pan machine screw,flat machine screw,truss machine screw,Hexagon socket screws

Shenzhen Lanejoy Technology Co.,LTD , https://www.grill-grid.com