Galvanized Concrete Nail 1.Shank Dia.:3mm-6mm 2.Head Dia.:5.4mm-10.8mm 3.Length:30mm-100mm 4.ISO9001-2008 3.4MM Diameter 50MM Galvanized Concrete Nail 1.Material:Q195,Q235 Wire Rod 2.Shank Diameter:3mm-6mm 3.Shank:Smooth,fluted,twist 4.Head Diameter:5.4--mm-10mm 5.Length:30-100mm 6.Finish: Black,Bright,color(blue,white) galvanized 7.Application: widely used in workshop, construction and daily ...