Seismic connection seat B

Surface treatment (EG) or hot dip galvanized zinc (HDG) 

Innovative design, through the channel steel nut to connect with them, the nut twist tospecified torque

Rotary type fixed fittings,Suitable for longitudinal and lateral seismic application support 

Compliance with the federal specification WW - H - 171 (type B), and manufacture rs'association (MSS) sp - 59-69 (type B)