#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Split-Drive Anchors If you have a nominal

If you have a nominal post measuring 3-1/2x3-1/2" you will need an ABU44Z Post base

Install on vertical pipes

Self-drilling tip penetrates light to medium-gauge steel without predrilling

The #3 Square Silicone Metal Roof Pipe Boot with Install Kit is a complete solution for sealing pipe penetrations on metal roofs

these anchors deliver secure

#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Split-Drive Anchors If you have a nominalDaggerz brand drywall screws are a high quality screw designed for fastening sheet rock to studs. These screws feature a common bugle head that sits flush with the drywall once installed. Although these are labeled as drywall screws, they are often used for wood and other materials.