Lag Shield Anchor Diameter 3/8 in Overall Length 2 1/2 in Screw Size 3/8 in Thread Size 3/8 In.-16 Thread Depth 1.5 in Thread Type Lag Bolt Material Zamac Alloy Finish Zinc Plated Drill Bit Size 5/8 in Minimum Installation Depth 2 1/2 in System of Measurement Inch Expansion Anchor Type Lag Shield Anchors Material Grade/Class Not Graded Compatible Material Block Brick Concrete Drywall Installation Method Lag Screw Minimum Hole Depth 1/2 in Manufacturer Location Made in USA