Lag screws longer than 12 inches will have a minimum thread length of 50% of the screw length up to a maximum of 8 inches

wedge style expansion anchor for use in solid concrete or grout-filled masonry

3/4-16 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

You can utilize these pieces of hardware in solid or hollow surfaces

1-8 x 2 Hex Cap Screw SS 18-8 (A2)

1 1/4-12 Slotted Hex Nut Zinc Plated 1/2-13 Hex Cap Screws 18-8 Stainless Steel Lag screws longer than 121 1 4 12 Slotted Hex Nut Zinc Plated . Hex nut with opposed slots cut into the top of the nut through the centers of the flats. The slots are on the end opposite the bearing surface. The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. Nuts are made from a low carbon steel which conforms to the following chemical composition requirements: Carbon 0. 47% max, Phosphorous 0. 12% max, Sulfur 0. 23%