5/8-11 x 6 1/2 Hex Cap Screw SS 18-8 (A2)

normal weight concrete

They are nickel plated for appearance

you may need toggle bolts for a specific purpose or just to have on hand as needed

3/4-10 x 1 3/4 Hex Cap Screw SS 316 (A4)

9 x 3 1/2 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - 1 lbs Pack (62) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated 5/8-11 x 6 1/2 Hex9 x 3 1 2 Simpson Trim Head Wood Decking Screws Square Drive 305 SS 1 lbs Pack (62) . The type 17 tip provides fast starting and resists splitting in hardwood. Coarse threads run approximately 2 3 up the shank to draw the decking tightly to the substrate. Pre drilling is recommended near board ends to prevent splitting. #1 Square Drive All #7 diameters and 9 x 3 1 2 #2 Square Drive 9 x 4