Performance description
Concrete: suitable for natural hard stone in tension zone or cracked concrete
Application of fastening in seismic area
It is especially suitable for dry hanging and fixing of tunnel equipment and external wall
Torque automatic bottom expanding function can immediately bear small expansion stress by tightening
Suitable for small margin and narrow spacing, suitable for fastening applications with high safety standards
Material: hot dip galvanized (50) μ m)
This drilling depth is only applicable when the dust in the hole is cleaned
