Bostitch bt13 series galvanised brown brad nails 18 gauge packs of 1000 bostitch bt1340b 1m this pack of 1000 galvanised 40mm brown brad nails from bostitch have a rectangular cross section and are compatible with the bostitch brad nailer equipped with diameters less than coil and stick nails while manufactured using 18 gauge wire these nails are great for interior and exterior trim plus cabinetry furniture joinery and crafts bostitch bt1340b 1m galvanised 40mm 18 gauge brown brad na