Higher quality zinc plated Wedge Anchor

This product has longer threads and is easier to install. It is often used in heavy-duty installations.
To obtain a reliable and huge tightening force, it is necessary to ensure that the clamp ring fixed on the gecko is fully expanded. And the expansion clamp must not fall off the rod or twist or deform in the hole.
The calibrated tensile force values are all tested under the conditions of cement strength of 260 ~ 300 kgs/cm2, and the maximum value of the safety load must not exceed 25% of the calibrated value.