Short video on how to use tapcon concrete screws. Purchase https://www.confast.com/products/tapcon-concretescrew.aspx
The process of manufacturing a blade from Damascus steel, welded from the washers of the grover and powder iron in the container. The cutting edge is welded steel W1-7. Hardened to a hardness of 62 units by Rockwell.
My website: https://sites.google.com/site/damaskshevchenko/
#DamascusSteel