詳細說明
Joker concrete screw owned three high-low-threads design patented which can tighter with base material. Non-expansion features can't damage the base material and suitable for close-to-edge or close-to-anchor installation. Concrete screw anchor can save more than 3/4 working hours than traditional wedge or drop-in anchor, much saving your labor-cost.
Joker is the first Asia concrete screw manufacturer approved in 2014 by ETA option1 can use in cracked concrete and 2021 Oct, we will add seismic C1/C2 and A4 stainless material, more drill-diameter sizes and more application head style.
