they are corrosion-resistant and suitable for exterior and interior use

3/4-10 x 16 Socket Cap Screw Alloy

3/8-16 x 2 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

hollow or grout-filled block

1/2 x 14 Hex Lag Screw Hot Dipped Galvanized

12-14 x 3/4 MAXISEAL® Hex Washer Head Self Drilling Screw (T3) Climaseal® (3000) 3/4-10 Grade 8 Hex Cap Screws Plain - Domestic USA they are corrosion-resistant and suitableThis 12 14 x 3 4 MAXISEAL Hex Washer Head Self Drilling Screw with T3 Climaseal can securely hold materials together with its strong corrosion resistance and drilling power. It is the perfect choice for your outdoor projects such as decks, porches, and fencing.