K11-06-08-10Through bolt anchor

Single expander for assembly of details in concrete and natural stone. This is a so-called pin screw expander that has a stainless steel clip at the bottom. When the nut is tightened, the clip expands onto the tapered part of the expander. The top is equipped with a punching neck to avoid damage to the threads during impact. Galvanized carbon steel min 5μm. Strength 5.8.