Welcome to Qingdao Steel Building Co., Ltd.

  Joint Bolts
   

Grade:10.9S,8.8S,4.8S
Material: galvanized zinc coating steel or stainless steel
Foundation anchor bolts: For connecting basement and main structure part.
High strength bolts: For connecting main structure part, such as pillars &beams.
Self screw to install the roof and wall coverage etc
Rivet nail : install the flashing