Standard DutyDrum covers HD Heavy duty Drum covers are made from heavy steel gauge to withstand hard usage. Cover flange provides rigidity and maintains solid position on drum. Grease pump mounts in centre of cover with four screws. Download datasheetModels & Part numbers Part No.: 418017 Drum type: 50 kg Drum Drum Ext. ∅ (min. – Max.): 350 – 395 mm Part No.: 418026 Drum type: 185 kg Drum Drum Ext. ∅ (min. – Max.): 580 – 620 mm