... Using a hammer hit the nail into anchor until head is flush with top of anchor.Nylon Nail-It technical ... of lengths. When purchasing nail it anchors, choose from three head styles - round, flat, and mushroom. When installing nail-its, ... HeadModel Specifications Theoretical Data MM3.53.84.24.8A Head Diameter,MM7.90-8.607.90-8.607.90- ... 8.608.50-9.10F Head Diameter,MM4.50-7.004.50-7.004.50- ...