65.24mm Pitch Drum Sleeve With Right Hand Groove Φ640mm Groove Bottom Dia 38 Grooves

65.24mm Pitch Drum Shell With Right Hand Groove Φ640mm Groove Bottom Dia 38 Grooves Product Description The drum sleeve is machined from 40Cr alloy steel, featuring right-hand rope grooves with a pitch of 65.24mm and total 38 grooves. It has a groove bottom diameter of Φ640mm and precisely machined inner bore Φ605H11 with tight tolerance for accurate assembly. High-precision groove machining ensures neat wire rope arrangement and reduces rope wear and tangling. Customization