common steel round head nails 1.Shank:smooth,twist,ring,barbed 2.Point:diamond,Semi-cut Common steel round head nailsWe have passed ISO9001:2008 authenticationWe could also offer threaded pipes,shrinkage pipes,canopy pipes,scaffolding pipes and so on,pls do not hesitate to contact me for futher information if needed. Common Round head steel nails