Adjustable hinge B

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

Innovative design, through the channel steel nut to connect with them, the nut twist to specified 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)