Packing unit: 1 TYPE: SHEET METAL SCREWS THREAD: NOT METRIC THREAD DIAMETER: 4.8MM LENGTH: 22MM HEAD: COUNTERSUNK PAN HEAD DRIVE: PHILLIPS (PH) SURFACE: GALVANIZED Material: Steel DIN: 7983 DIN EN ISO: 7051 QUALITY CATEGORY: NO QUALITY CATEGORY SEAL/WASHER: WITHOUT