which can be any number you see fit for your job

Straps that snap off flush with the wall every time

7/8-9 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

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

3/4-10 x 9 Grade 5 Hex Cap Screw Zinc Plated

3/8-16 Drop-In Anchor Zinc Plated (50) 1/2 Hex Lag Screws Hot Dipped Galvanized which can be any number3 8 16 Drop In Anchor Zinc Plated (50) . DROP IN anchors are internally threaded, deformation controlled expansion anchors with a pre assembled expander plug, suitable for flush mount applications in solid base materials. The anchor is set by driving the expansion plug towards the bottom of the anchor using the setting tool. Download Simpson DROP IN Technical Data Download Simpson DROP IN Material Safety Data Sheet