... accessory for fitting bath, hardware assortments, kinds of bolts( hexagon head bolts, coach bolts, carriage bolts, hanger bolts, etc ), kinds of screws( self-drilling screws ... screws, etc.), kinds of nuts( hexagon nuts, lock nuts, hex coupling nuts, flange nuts, square nuts, etc.), flat washers, ... . Nylon nail in anchor 1. Countersunk head2. Round head .3.If you are interest in Nylon nail in ...