Toggle Bolt Anchor Toggle Anchor Type Toggle Bolt Anchor System of Measurement Inch Anchor Diameter 9/16 in Thread Size #10-24 Overall Length 3 in Screw Size 3/16 in Screw Length 3 in Thread Length 2 7/8 in Drive Type Combination Slotted/Phillips Head Type Round Head Diameter 0.38 in Head Height 0.125 in Usable Length 1 3/8 in Wing Span 2 in Washer Outside Diameter Not Applicable Material Steel Finish Zinc Plated Color Blue/White Drill Bit Size 9/16 in