Self Drilling Screws - Truss Head, zinc-plated steel 4.2x13 100.000 pieces 4.2x16 100.000 pieces 4.2x19 100.000 pieces DIN 7504K Self-drilling screws, hexagon washer head with tapping thread with EPDM, zinc-plated steel 6.3x25 100.000 pieces 6.3x32 20.000 pieces 6.3x35 20.000 pieces 6.3x120 15.000 pieces