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

1/4 x 3 Powers Round Toggle Bolt Zinc Plated (50)

hardness will range from HRC 31-39

1-8 x 8 Hex Cap Screw SS 18-8 (A2)

3/4-16 x 1 1/4 Hex Cap Screw SS 18-8 (A2) Drop-In Anchor Setting Tools you may need toggle bolts3 4 16 x 1 1 4 Hex Cap Screw SS 18 8 (A2) . 18 8 stainless steel hex cap screws will have a typical composition of 18% chromium and 8% nickel. These percentages exist in 303, 304 and 305 series stainless steels so 18 8 is used at times to designate any and all of those alloy groups. 18 8 stainless steel offers good corrosion resistance and machines easily but will over time stain in coastal environments. They are also acceptable for use in ACQ