Diameters over 2 1/2 inches have a meet a minimum of 140

1/4 x 2 1/2 Nailon™ Anchor Mushroom Zinc Plated (100)

SLEEVE-ALL® sleeve anchors are pre-assembled expanding sleeve anchors for use in all types of solid base materials

3/8 x 4 Powers Round Toggle Bolt Zinc Plated (25)

7/8-9 Finished Hex Nut Silicon Bronze A563 Grade A Heavy Hex Nuts Hot Dipped Galvanized Diameters over 2 1/2 inches7 8 9 Finished Hex Nut Silicon Bronze. Silicon Bronze Finished Hex Nuts are similar to low carbon steel in hardness but offer high resistance to corrosive environments such as sea water, gases, sewage and atmospheric conditions. Commonly used in naval construction and power plant applications.