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Double-strand sprocket ZRF with hub 08 B-2 19 teeth material steel bore 20H7 keyway DIN 6885/1 2 set screw threads teeth induction hardened
Double-strand sprocket ZRF with hub 08 B-2 19 teeth material steel bore 20H7 keyway DIN 6885/1 2 set screw threads teeth induction hardened