Professional woodscrews torx steel zinc plated With cutting point, ribs under head, serrated threads, and U-threads 4x30 mm 250.000 pcs fully threaded, no U-thread 4x60 mm 150.000 pcs fully threaded, no U-thread 6x50 10.000 fully threaded, no U-thread 5x50 125.000 fully threaded, no U-thread 4x50 25.000 6x160 7.000 4,5x30 50.000 fully threaded, no U-thread 4,5x50 50.000 fully threaded, no U-thread 4,5x60 30.000 fully threaded, no U-thread