5.5
a nail designed to penetrate concrete and hold
Concrete- I remember when concrete nails were made of a forged tungsten steel.
that is a hard one. You will probly need a hole in the concrete with a drill or something. Or dynimite.
Any sort of post that you are going to be attaching to concrete needs to be securely fastened to the concrete using nuts and bolts. Liquid nails is a strong product but does not give assurance that the posts will be securely fastened to the concrete.
Nail it.
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
a nail designed to penetrate concrete and hold
The hardness of a steel nail is about 4.5 (About the same hardness of the mineral Fluorite.)
collagen
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
It would have to be 5.0 because glass has a hardness of 5.5 and an iron nail has the hardness of 4.5
hardness
hardness
hardness
hardness
Mineral hardness is tested on a glass plate or usually a finger nail.