With solid surfaces

The body of the anchors is also corrosion resistant

1/2 x 4 Titen HD Concrete Anchor Zinc Plated (20)

your screws require a stronger hold to resist gradual loosening and sudden breakage due to the excessive weight of the items they’re helping to support

8-18 x 2 3/8 Strong-Point Phillips Bugle Head Self Drilling Drywall Screw Zinc Plated (2500) Wedge Anchors Mechanically Galvanized With solid surfaces8 18 x 2 3 8 Phillips Drywall Self Drill Screw Zinc Plated (2500) . Used for many purposes, including the attachment of gypsum board to metal studs, fine threads and the self drilling tip make these screws ideal for penetrating and holding into metal framing studs and other types of metal or aluminum framing.