Metric Seismic Wedge Anchors DIN 8.8 (Grade 5) steel Must be set in a metric hole Capable of sustaining heavy load values in solid cracked, or uncracked concrete, under dead, variable, windy, or seismic conditions. Collapsible sleeve ensures secure clamping, even during anchor movement. Each anchor is marked with a minimum embedment ring to ensure proper fastening. Use in all structural applications, including racking, equipment shelving, bracing, and seating. Bolts include nut and washers. Approved for cracked concrete under ACI 318 and tested under ACI 355.2 as a category 1 cracked concrete anchor. This listing is for pkg. of 20. Technical Specification Item Wedge Anchor Bolt Wedge Anchor Type Wedge Anchor Seismic Approved Yes Anchor Material Steel Material Grade Class 8.8 Fastener Finish Zinc Plated Anchor Dia. 18mm Anchor Length 147mm Max. Work Thickness 40mm Thread Size M12 x 1.75mm Min. Embedment 80mm Embedment In Concrete 80mm Agency Compliance ACI 355.2/ETA-02-0030 Meets/Exceeds Category 1 ACI