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

#57 Heavy Duty Drill Bit - Stubby Length

3/4-16 x 3 3/4 Hex Cap Screw SS 18-8 (A2)

If you work as a service professional or a contractor

#44 Heavy Duty Drill Bit - Stubby Length

5/8-11 x 3 3/4 Hex Cap Screw SS 18-8 (A2) 1-8 A307A Hex Tap Bolts Zinc Plated your screws require a stronger5 8 11 x 3 3 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