Zinc Plated - #12-24 Hex Washer Head Self Drilling Screw #5 pt. diameter-5-16 in this case S stands

in this case S stands for Steel

This heavy duty recessed square D-Ring anchor is ideal for floor and wall installation in trucks and trailers

Professional Grade- Ideal For Electrical

Following the detailed instructions included in each kit

The XL28 Brute platinum Drill bit set includes fractional sizes 1/16'' through 1/2'' in 64ths increments

Zinc Plated - #12-24 Hex Washer Head Self Drilling Screw #5 pt. diameter-5-16 in this case S stands#12 24 Hex Washer Head Self Drilling Screw #5 point: Zinc The number 5 drill point allows the screw to drill thru 3 8 1 2 thick steel without pre drilling. A fastener that drills and taps its own hole during application. #6 Diameter #2 Point has a Max. Drill Capacity of . 014 #8 Diameter #2 Point has a Max. Drill Capacity of . 014 #10 Diameter #3 Point has a Max. Drill Capacity of . 179 #12 Diameter #3 Point has a Max. Drill Capacity of . 220 #14