The carbon steel pin and mushroom head configuration make this anchor tamper resistant

3/4-10 x 3 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (100)

7/8-14 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

7/16-20 x 2 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (350)

Simpson ETBS Wire Hole-Cleaning Brush - Standard (Hole Diam: 3/4 Useable Length: 5") 1-8 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA The carbon steel pin andSimpson ETBS Wire Hole Cleaning Brush is designed with a 3 4" hole diameter and 5" useable length, making it perfect for cleaning and reinforcing holes in a variety of materials. Its stainless steel wire bristles provide a strong and reliable cleaning action for a wide range of hole sizes.