[TP-PO B] Countersunk head lag 90º, fillet 40º, lubricated. Bichromate (3.5 x 30) Made of steel. Bichromate coating. Recommended for use on: pine, fine wood. Screw-in installation. Countersunk head splines. Pozidriv footprint. Recommended for the installation of fenced anchors, kitchen cabinet, wooden railing, sign in a shopping center, painting, wooden house structure, door frame, window frame, wooden table, slate, wooden bridge, wooden tracks, wooden slats, sign, wooden railings, wooden beams, among others. Packed with 250 pieces.