Concrete and masonry nail are hardened wire nail often with longitudinal grooves along the length of the nail's shaft. These nails are thick and very strong. They are designed to be fastened into concrete block, concrete or mortar joints.

Material: 45# steel

Surface treatment: electro-galvanized, black

Length: 1/2-4 inches (1/2, 1, 1.5, 2, 2.5, 3 and 4")

Diameter: 1.6-5.5mm

Shank: smooth shank, twill shank, flute shank, straight shank, angular spiral shank

Packing: usually 25kgs,we can also pack as per customers' requirements