7-19 x 1 5/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate NWCNP and the square neck prevents

and the square neck prevents the bolt from turning when tightened

4 DIN 934 Metric Hex Nuts are precision-engineered fasteners designed for secure and reliable connections in various industrial and automotive applications

They are designed for use in drywall applications and feature a sharp point for easy penetration

The 3/8 x 4 Hex Lag Screw 18-8 Stainless Steel is a high-quality fastener designed for heavy-duty applications

The 5/8 x 14 Hex Lag Screw Zinc Gimlet Point is a heavy-duty fastener designed for securing heavy objects to wood or other materials

7-19 x 1 5/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate NWCNP and the square neck preventsThese 7 19 x 1 5 8 inch Phillips bugle head full thread self drilling drywall screws are designed for fast and secure installation of drywall to wood or metal studs. The sharp point and self drilling tip allow for easy penetration without the need for pre drilling, saving time and effort. The full thread design provides maximum holding power, while the black phosphate coating offers corrosion resistance. The Phillips bugle head provides a clean,