Self-drilling screws with tapping screw thread DIN 7504 FORM N Zinc plated steel 4,2x13: 40.000 pcs. Self-drilling screws with tapping screw thread DIN 7504 FORM K Zinc plated steel With EPDM washer 5,5x22: 50.000 pcs. 5,5x25: 100.000 pcs. 5,5x38: 50.000 pcs. 5,5x50: 50.000 pcs. 05,5x60: 20.000 pcs. 6,3x76: 20.000 pcs. 6,3x100: 20.000 pcs.