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Taper Lock 1615 Bushed Metric Sprocket
For ISO 10B-3 Roller Chain
21 Teeth
113.4 mm Outside Diameter(de)
106.52 mm Pitch Diameter(dp)
mm Hub Diameter(dm)
42.1 mm Width(A)
42.1 mm Teeth Width(B3)
Material C1045 Steel Form 5, 3/8inchx16 tpi Threads