DIN 7504 hex self tapping screw with EPDM washer 1) Standard: EN ... :13mm ~ 240m DIN 7504 hex self drilling tapping screw with EPDM washer 1) Standard: EN ISO 15480 ... :Zinc Plated ,painting dacromat.6) Advantages:Good Quality,Large Production Capacity,Timely delivery,Competitive price. Size: 6.3 ... #5 point, cut thread ,Sandwich Panel Self Drilling Screw, C-1022 Steel, Case Hardened, Double Thread, CSD ...