... .Shank diameter:1.0-6.5mm Features:Flat and grid head, round stick, diamond tip, smooth surface, Our company had engaged in ... .5mm Material:Q195 or Q235 Products Features:Flat and grid head, round stick, diamond tip, smooth surface, srangely anti-rusting. Usage:industry ... , furniture-repairing, building, packing of woden case and so on round stick flat head nail