#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Split-Drive Anchors Self-drilling tip penetrates light to

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

extending the life of your projects

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

Versatile compatibility: Suitable for metal roofs and other roofing materials

Install on vertical pipes

#10 x 3-1/2" Coarse Thread Drywall Screw - Black Phosphate, Pkg 1500 Split-Drive Anchors Self-drilling tip penetrates light toDaggerz 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.