Countersunk flat head chipboard screws, pozidriv as per picture in attachment White zinc plated steel 3 x 12: 100000 pcs. 3 x 15: 100000 pcs. 3,5 x 30: 100000 pcs. 3,5 x 40: 100000 pcs. 3,5 x 50: 100000 pcs.