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

These #6 x 1 5/8 self-drilling drywall screws are phosphate coated for improved corrosion resistance

1 1/8-7 x 3 A307A Hex Bolt Zinc Plated

and the self-drilling tip reduces the need for pre-drilling

7/8-9 x 3 1/2 A325 Type 1 Heavy Hex Bolt Plain Domestic (USA) - Bulk Keg (250) Combo Phillips/Square Pancake Sheet Metal Screw 305 Stainless Passivated and Waxed The carbon steel pin andThis 250 piece heavy hex bolt kit features 7 8 9 x 3 1 2" A325 Type 1 Bolts made for domestic use in the USA. Bolts are plain, hot dip galvanized and zinc plated for maximum corrosion resistance and long term durability. A325 bolts are commonly used in construction and other industrial applications.