Haiyan county, hangzhou city, zhejiang province China Square Head Wood Screw Manufacturers Square Head Wood Screw With Turning Suppliers
Bolt threads are generally cold-worked, so that the thread blanks within a certain diameter range are passed through the rolling (rolling) wire plate...
Screw specification model Example: 4 X 10 PW A H C (+) ① ② ③ ④ ⑤ ⑥ ⑦ ① Screw diameter ② Screw length ③ Screw head type B: Spherical cylindrical head; ...
The utility model relates to the technical field of fasteners, more specifically an FRP hexagonal flange bolt, comprising an FRP nut and an FRP screw....
In 1986, the country established a new standard for standard parts, commonly known as the new standard. The most used ones are GB5780, GB5781, GB5782,...
species 1) Slotted ordinary screws Mostly used for the connection of smaller parts. It has pan head screws, cylindrical head screws, hex flange concre...
Standards are norms, and each country and department has its own standards. GB—Chinese National Standard (National Standard) ANSI—American National St...
No. 3 Jincheng No. 2 Road, Qinshan Industrial Park, Haiyan County