[Features] Nut tightening type, so it is removable. Just insert the core rod into the construction, so you can see the finish of the installation at a glance. The body and screw parts are the same diameter, so drilling into concrete is required. Can be installed directly from the top of the mount. [Specifications] Screw Nominal Size: M20; Total Length: 5.1 inches (130 mm); Thread Length: 2.0 inches (50 mm); Hole Diameter: 0.8 inches (21.5 mm); Maximum Tensile Load: 1.4 kN; Embedded Depth: 3.1 inches (80 mm); Mounting Thickness: 0.04 inches (1 - 25 mm); Weight: 1 oz (3.8 oz (3.8 mm); Weight: 1 oz (3 oz (3.8 g); Box; Material: Stainless steel (SUS3.8 oz (304 mm); For construction construction construction construction that requires rust preferred. For construction work. Note: The maximum tensile load is the value of concrete strength Fc21N/m/m².