These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.

These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
These indented hex head sharp point tapping screws cut their own threads into a material and do not require a pilot hole unless fastening metal.
Anchor 1/4 Quadrive Conc. Screw Kit USA
https://hotfix.nsiindustries.com/product/anchor-1-4-quadrive-conc-screw-kit-usa/
Anchor 3/16 Quadrive Conc. Screw Kit USA
https://hotfix.nsiindustries.com/product/anchor-3-16-quadrive-conc-screw-kit-usa/